| Patent Number |
Title Of Patent |
Date Issued |
| RE32677 |
Polyamines, a process for the production of polyamines and their use in the production of polyur |
May 24, 1988 |
| The invention relates to a simplified, economic process for the production of polyamines by the alkaline hydrolysis of compounds containing terminal aromatic and/or aliphatic isocyanate groups (including modified isocyanates or NCO-prepolymers and semi-prepolymers with NCO-contents of |
| 5210273 |
Process for the preparation of mono- and oligourethanes |
May 11, 1993 |
| This invention relates to a process for the preparation of N,N-disubstituted mono- and oligourethanes by the reaction of N-aromatically, N-aliphatically, N-cycloaliphatically, and N-araliphatically substituted mono- and oligourethanes with dialkyl carbonates in the presence of at lea |
| 5130457 |
Process for the preparation of N,N-disubstituted mono- and oligourethanes |
July 14, 1992 |
| N,N-disubstituted monourethanes and oligourethanes are produced by reacting (a) N-aliphatically and/or N-cycloaliphatically and/or N-araliphatically substituted monourethanes and/or oligourethanes with an alkylating agent in the presence of a solid alkali metal hydroxide. No solvent need |
| 5091582 |
Process for the preparation of aromatic polyamines |
February 25, 1992 |
| The present invention thus relates to new compounds containing aminophenoxy end groups corresponding to the formula ##STR1## wherein R.sub.1 denotes an n-valent group as obtained by the removal of hydroxyl groups from an n-valent polyhydroxyl compound having a molecular weight of |
| 5021520 |
Crosslinked polyurethane-polyurea powders, a process for their production and their use as fille |
June 4, 1991 |
| The present invention relates to crosslinked polyurethane-polyurea powders which are prepared by a process which comprises dispersing NCO semiprepolymers in an aqueous medium, forming powders and isolating the powders from the aqueous medium, the NCO semiprepolymers having an NCO con |
| 4975516 |
Diaminoarylsulfones useful for the preparation of polyurethane elastomers |
December 4, 1990 |
| This invention relates to diaminoarylsulfones of the formula ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are independently C.sub.1 -C.sub.12 alkyl, that are useful as chain extenders in the preparation of polyurethane elastomers. |
| 4870206 |
Aromatic polyisocyanates, their preparation and use as components for adhesives |
September 26, 1989 |
| New compounds containing isocyanatophenoxy groups, corresponding to ##STR1## wherein R.sup.1 denotes a residue of a n-valent polyhydroxyl compound having a molecular weight of about 92-6000, R.sup.2 denotes hydrogen or methyl group and n denotes an integer of from 3 to 8 were found t |
| 4797427 |
Aromatic diamines containing sulfonic acid aryl esters, a process for their production and their |
January 10, 1989 |
| The present invention is directed to new aromatic diamines containing sulfonic acid aryl esters corresponding to the formula ##STR1## wherein R.sub.1 represents hydrogen, an optionally branched C.sub.1 -C.sub.6 alkyl radical (preferably a methyl group), a C.sub.1 -C.sub.6 alkoxy |
| 4723032 |
Modified polyamines and a process for their production |
February 2, 1988 |
| Modified polyamines containing carbamates, urethane and/or urea and/or thiourethane groups and having a primary amine content of from 0.1 to 20.2 wt % are produced by (a) mixing an organic isocyanate with a base in the presence of at least one hydrogen-active compound and water and (b) |
| 4569981 |
Solid, water-dispersible plastics precursors containing isocyanate groups, a process for the pro |
February 11, 1986 |
| The present invention relates to water-dispersible plastics precursors which are solid at temperatures below about 40.degree. C. The plastics precursors are based on isocyanate-terminated prepolymers which have been hydrophilically modified with ionic groups and/or ethylene oxide units a |
| 4565645 |
Single-stage process for the production of polyamines and polyamines produced by such process |
January 21, 1986 |
| Polyamines containing from 0.19 to 20.3 wt % primary amino groups are produced by hydrolyzing in a single stage an isocyanate with an excess of water, a relatively weak basic compound and a water-miscible polar solvent at a temperature from 50.degree. to 165.degree. C. The hydrolysis is |
| 4540720 |
Polyamines, a process for the production of polyamines and their use in the production of polyur |
September 10, 1985 |
| The invention relates to a simplified, economic process for the production of polyamines by the alkaline hydrolysis of compounds containing terminal aromatic and/or aliphatic isocyanate groups (including modified isocyanates or NCO-prepolymers and semi-prepolymers with NCO-contents of |
| 4532266 |
Polymer-containing polyether polyamines and a process for the production of these polyamines |
July 30, 1985 |
| Polyether-based urethane-group-containing polyamines containing polymers and/or copolymers of unsaturated monomers and, optionally, urea and/or biuret and/or allophanate groups are produced by (a) reacting an NCO-prepolymer in aqueous alkaline solution at 0.degree. to 40.degree. C. t |
| 4496491 |
Aromatic diisocyanates containing N,N-disubstituted sulfonamide groups and processes for their p |
January 29, 1985 |
| Diisocyanates corresponding to the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 (an isocyanate-containing radical) are as defined herein are made by several processes. These diisocyanates may be made by phosgenating the diamine in which the di |
| 4454071 |
Isocyanatoaryl sulphochlorides |
June 12, 1984 |
| Isocyanatoaryl sulphochlorides corresponding to the following general formula: ##STR1## wherein R represents hydrogen, a sulphochloride group (SO.sub.2 Cl) or a sulphonic acid group (SO.sub.3 H),are produced by reacting 2,4-diisocyanatotoluene, optionally as mixtures with up to 3 |
| 4440901 |
Process for the production of plastic based on polyisocyanates |
April 3, 1984 |
| The present invention is directed to a process for the production of plastics based on an isocyanate-polyaddition product by(1) forming an isocyanate group-containing prepolymer from(a) a compound which has a molecular weight of from 146 to about 10,000, is substantially free from hydroxyl g |
| 4418160 |
Polyamines and processes for the production of such polyamines and of polyurethane plastics ther |
November 29, 1983 |
| A compound having a terminal isocyanate group is hydrolyzed to produce a polyamine having a urethane and/or a urea and/or a biuret group. More particularly, a carbamate is made by mixing an isocyanate prepolymer having urethane and/or urea and/or biuret groups present with aqueous base |
| 4386218 |
Polyamines and processes for the production of such polyamines and of polyurethane plastics ther |
May 31, 1983 |
| A compound having a terminal isocyanate group is hydrolyzed to produce a polyamine having a urethane and/or a urea and/or a biuret group. More particularly, a carbamate is made by mixing an isocyanate prepolymer having urethane and/or urea and/or biuret groups present with aqueous base |
| 4385137 |
Dispersions of polymers containing sulphonate groups, a process for the production thereof and t |
May 24, 1983 |
| The present invention is directed to aqueous dispersions having a solid content of at least about 10% by weight of polymers containing from about 0.1 to 6% by weight of incorporated sulphonate groups, characterized in that cations of at least divalent metals, silver or monovalent copper |
| 4359426 |
Process for the production of aromatic isocyanates containing aromatically bound sulfochloride g |
November 16, 1982 |
| The instant invention is directed to a process for the production of an aromatic isocyanate containing aromatically bound sulfochloride groups, comprising:(I) reacting(a) an isocyanate or carbamic acid chloride which contains at least one aromatically bound isocyanate group and/or at lea |
| 4337333 |
Substituted polyisocyanate or polyisocyanate mixtures of the diphenyl methane series containing |
June 29, 1982 |
| The instant invention is directed to a substituted polyisocyanate or polyisocyanate mixtures of the diphenyl methane series containing chlorosulfonyl groups, a process for the preparation thereof and the use thereof for the preparation of polyisocyanate polyaddition compounds. |
| 4306998 |
Process for the preparation of stable aqueous dispersions of oligourethanes or polyurethanes and |
December 22, 1981 |
| A process is provided for preparing storage stable, aqueous dispersions of oligourethanes or polyurethanes in admixture with auxiliary agents and additives which are not soluble nor dispersible in water. The oligourethanes or polyurethanes are rendered dispersible in water by incorpo |
| 4293474 |
Polyurethane ionomer dispersions containing electrolytes |
October 6, 1981 |
| The instant invention is directed to aqueous dispersions or solutions of polyurethane ionomer characterized by(a) hydrophilic polyalkylene oxide polyether chains in the polyurethane having an ethylene oxide unit content of from 1.2 to 50% by weight based on the polyurethane solid content |
| 4289672 |
Sizing glass fibers for thermoplastic resin reinforcement |
September 15, 1981 |
| Glass fibers for reinforcing thermoplastic resins are sized with an aqueous dispersion comprising a polyurethane-ionomer as a film-forming agent and a bonding agent comprising an epoxy-containing alkoxysilane. Advantageously the polyurethane is a very small particle ionomer and the bondi |
| 4282147 |
Dispersion of aromatic isocyanatosulfonic acid uretdiones in organic polyisocyanates and a proce |
August 4, 1981 |
| The instant invention is directed to non-sedimenting dispersions of finely divided solid aromatic isocyanatosulfonic acid uretdiones in non-sulfonic polyisocyanates and a process for their preparation. |
| 4279832 |
Process for the production of isocyanatoaryl sulfonic acids |
July 21, 1981 |
| The present invention relates to a new process for the production of isocyanatoaryl sulfonic acids which are optionally present, at least partly, as salts of an inorganic or organic base, by sulfonation of the corresponding carbamic acid chlorides, conversion of the carbamic acid chl |
| 4276404 |
Process for the production of inorganic-organic synthetic materials |
June 30, 1981 |
| The instant invention is directed to a process for the production of inorganic-organic synthetic materials having high strength, elasticity, dimensional stability under heat, and flame resistance, consisting of a polymer-polysilicic acid gel composite material in the form of a solid/ |
| 4276044 |
Water-soluble, ultra-filtrable polyurethane anionomers and the use thereof as sizes in the texti |
June 30, 1981 |
| There is described a polyurethane anionomer which is particularly suitable as a textile sizing agent because it is water-soluble and sufficiently hydrolysis-resistant to be recoverable by ultra-filtration. It is superior to previously known ionomers in being hard, tough and having a smoo |
| 4238378 |
Cationic electrolyte-stable dispersions and process for producing polyurethanes useful therein |
December 9, 1980 |
| The instant invention is directed to novel polyurethane cationic electrolyte-stable dispersions characterized by lateral or terminal polyalkylene oxide polyether chains containing from 2 to 10%, by weight, of ethylene oxide units, based on the total weight of the polyurethane; a cont |
| 4237250 |
Polyurethanes containing aryl sulfonic acid alkyl ester groups |
December 2, 1980 |
| The instant invention is directed to polyurethanes containing sulfonic acid ester groups wherein arylsulfonic acid alkyl ester groups are attached to aromatic nuclei as chain members and to their method of preparation. The process is characterized by reacting at from 0.degree. to 190.deg |
| 4225532 |
Stabilized preparations of aromatic isocyanatosulphonic acids |
September 30, 1980 |
| The present invention relates to a process for increasing the storage stability of solid aromatic isocyanatosulphonic acids by the addition of a substantially apolar, stabilizing agent which is inert towards isocyanate groups and sulphonic acid groups, which has a melting point in the re |
| 4224418 |
Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups |
September 23, 1980 |
| The instant invention is directed to compounds having an average molecular weight of from 300 to 12,000, containing: at least one hydroxyl group and at least one urethano-aryl-sulfonic acid group and a method for their preparation. The process is characterized as a process for the prepar |
| 4211850 |
Polyhydroxy compounds containing urethane aryl sulfonic acid hydroxyalkyl ester groups |
July 8, 1980 |
| The instant invention is directed to polyhydroxyl compounds containing at least two hydroxyl groups and at least one sulfonic acid ester group and having an average molecular weight of from 300 to 12,000, wherein at least one hydroxyl containing compound contains a urethane aryl sulfonic |
| 4211683 |
Process for the preparation of aqueous dispersions of polyurethanes |
July 8, 1980 |
| The present invention relates to a process for the preparation of aqueous dispersions or solutions of polyurethanes which have urea end groups and contain non-ionic hydrophilic segments and which are capable of being cross-linked with the aid of cross-linking agents which are reactive wi |
| 4201852 |
Polyurethanes based on modified polyisocyanates containing sulphonic acid ester groups and proce |
May 6, 1980 |
| The instant invention is directed to novel modified polyisocyanates which contain sulphonic acid ester groups and to the method of manufacture thereof. The polyisocyanates of the instant invention are produced by reacting isocyanatoaryl sulphonic acids with oxiranes and/or oxetanes. The |
| 4198487 |
Process for the production of inorganic-organic synthetic foam materials |
April 15, 1980 |
| The instant invention is directed to a process for the production of inorganic-organic synthetic materials having high strength, elasticity, dimensional stability under heat, and flame resistance, consisting of a polymer-polysilicic acid gel composite material in the form of a solid/ |
| 4194035 |
Modified polyisocyanates containing sulfonic acid ester groups |
March 18, 1980 |
| The instant invention is directed to a process for the preparation of modified polyisocyanates which contain sulfonic acid alkyl ester groups and in which the isocyanate groups may be at least partly in the dimerized form, comprising: reacting isocyanatoaryl sulfonic acids having at leas |
| 4192938 |
Modified polyisocyanates containing sulfonic acid ester groups |
March 11, 1980 |
| The instant invention is directed to a process for the preparation of modified polyisocyanates which contain sulfonic acid alkyl ester groups and in which the isocyanate groups may be at least partly in the dimerized form, comprising: reacting isocyanatoaryl sulfonic acids having at leas |
| 4190459 |
Process for the production of mineral fiber mats |
February 26, 1980 |
| This disclosure teaches a method of forming mineral mates by using an emulsion of water glass and isocyanates as the binder. This binder composition may be readily dispersed with air and has superior adhesion to mineral fibers. |
| 4189562 |
Polyhydroxy compounds containing urethane aryl sulfonic acid hydroxyalkyl ester groups |
February 19, 1980 |
| The instant invention is directed to polyhydroxyl compounds containing at least two hydroxyl groups and at least one sulfonic acid ester group and having an average molecular weight of from 300 to 12,000, wherein at least one hydroxyl containing compound contains a urethane aryl sulfonic |
| 4187074 |
Water-soluble cationic oligourethane resins and the use thereof for the treatment of pelts or le |
February 5, 1980 |
| This invention relates to water-soluble, cationic hydrophilic oligourethanes free from isocyanate groups and containing methylol groups and to the use thereof for the tanning, pre-tanning or re-tanning of pelts or pre-tanned leather and as dyeing auxiliaries. |
| 4186118 |
Process for the preparation of modified aqueous synthetic resin dispersions |
January 29, 1980 |
| A process for preparing modified aqueous synthetic resin dispersions, comprising introducing organic diisocyanates which are liquid at room temperature into polyurethane-containing, non-sedimenting, aqueous synthetic resin dispersions, optionally in the presence of catalysts which ac |
| 4177206 |
Polyisocyanates containing sulphonic acid and phosphonate groups |
December 4, 1979 |
| The present invention is directed to polyisocyanate mixtures which are liquid at room temperature and which(a) contain from 10 to 42% by weight of aromatically-bound isocyanate groups, which may be partly in the form of carbamic acid chloride;(b) contain from 0.5 to 5% by weight of sulphur i |
| 4176118 |
Aromatic uretdione-diisocyanate-disulphonic acids |
November 27, 1979 |
| This invention relates to new aromatic uretdione-diisocyanate-disulphonic acids, to a process for the preparation thereof and to the use thereof as components for the production of polyurethane resins. More particularly, the instant invention relates new aromatic uretdione-diisocyana |
| 4174434 |
Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups |
November 13, 1979 |
| The instant invention is directed to compounds having an average molecular weight of from 300 to 12,000, containing: at least one hydroxyl group and at least one urethano-aryl-sulfonic acid group and a method for their preparation. The process is characterized as a process for the prepar |
| 4172191 |
Process for the preparation of polyisocyanates addition products containing carboxylate groups |
October 23, 1979 |
| The present disclosure is concerned with a process for the preparation of carboxylate containing polyurethane and the polymers so produced. Hydroxyl bearing components are reacted with tri- or tetra-carboxylic acid monoanhydrides so as to incorporate free carboxyl groups into the com |
| 4160851 |
Process for the production of plastics/metal composites |
July 10, 1979 |
| This invention relates to the production of composites of organic polyisocyanate plastics and metals. The metals are pretreated with certain adhesion promoters in order to increase adhesion between the metal and the plastic. The pretreated metal sheet or foil is brought into contact with |
| 4147653 |
Storable mixtures containing aromatic isocyanatosulphonic acids |
April 3, 1979 |
| The instant invention is directed to storage stable mixtures in the form of solutions or solution-suspensions comprising:(a) from 10 to 80 percent by weight of aromatic isocyanatosulphonic acids;(b) from 20 to 90 percent by weight of a liquid ester of an inorganic or organic acid of phosphor |
| 4146509 |
Process for the production of inorganic-organic plastics |
March 27, 1979 |
| The instant invention is directed to a process for the production of inorganic-organic resins, by reaction of an organic polyisocyanate with aqueous basic solutions having an inorganic solid content of from 20 to 80% by weight in the presence of catalysts and optionally other additives, |
| 4144267 |
Organic polyisocyanates |
March 13, 1979 |
| Aromatic polyisocyanates containing sulphonic acid or sulphonate groups which are substantially free from crystalline product and a method for making them are provided wherein a mixture of aromatic polyisocyanates having an isocyanato content of from about 10% to about 42% by weight is |
