| Patent Number |
Title Of Patent |
Date Issued |
| 6335381 |
Aqueous coating compositions containing urethane (meth)acylates having UV-hardening isocyanate g |
January 1, 2002 |
| The present invention relates to an aqueous coating composition containinga) a urethane (meth)acrylate having (meth)acryloyl groups and optionally free isocyanate groups,b) optionally a further polyisocyanate,c) a UV initiator which initiates polymerization by a free radical mechanism, andd) |
| 6172126 |
Cosolvent-free, aqueous, anionic polyurethane dispersions and their use as peelable coatings |
January 9, 2001 |
| The present invention relates to coating composition, which is suitable for preparing light fast coatings and contains a cosolvent-free, aqueous, anionic dispersion of polyurethane-ureas, the solids content of which contains the reaction product, present at least partially in salt form, |
| 6100326 |
Use of special isocyanates for preparing aqueous polyurethane coatings |
August 8, 2000 |
| The invention relates to the use of 4-isocyanatomethyloctane 1,8-diisocyanate isocyanatononane, (TIN) and TIN-containing mixtures for preparing polyurethane lacquers and coatings which can be applied from an aqueous medium. |
| 6020419 |
Transparent coating compositions containing nanoscale particles and having improved scratch resi |
February 1, 2000 |
| The present invention relates to transparent coating compositions containing a binder and 0.5 to 25 wt. %, based on resin solids, of a material consisting of nanoscale primary particles obtained by jet dispersion of the nanoscale particles in the coating composition. The present inve |
| 5998504 |
Colloidal metal oxides having blocked isocyanate groups |
December 7, 1999 |
| The present invention relates to colloidal metal oxides having blocked isocyanate groups, which are based on the reaction product ofA) blocked isocyanate group-containing silanes corresponding to formula (I) ##STR1## wherein R represents hydrogen or an organic group having 1 to 40 carbo |
| 5981653 |
Process for the production of aqueous stoving coating compositions |
November 9, 1999 |
| The present invention relates to a process for the production of aqueous dispersions which form powder coatings at room temperature, have an average particle size of 0.1 to 10 .mu.m, contain polyols and blocked polyisocyanate crosslinking agents, and, after stoving, yield coatings wi |
| 5965195 |
Cosolvent-free aqueous, anionic polyurethane dispersions and their use as peelable coatings |
October 12, 1999 |
| The present invention relates to coating composition, which is suitable for preparing light fast coatings and contains a cosolvent-free, aqueous, anionic dispersion of polyurethane-ureas, the solids content of which contains the reaction product, present at least partially in salt form, |
| 5852106 |
Coating compositions for glass substrates |
December 22, 1998 |
| The present invention relates to aqueous polyurethane coating compositions wherein the binder containsa) a polyol component, which is soluble or dispersible in water and is the reaction product of a polyisocyanate component containing 50 to 100 wt. % of 4,4'-diisocyanatodicyclohexylmetha |
| 5852101 |
Powder coating compositions and their use for coating heat-resistant substrates |
December 22, 1998 |
| The present invention relates to a powder coating composition for the production of non-yellowing flexible coatings which is solid below 30.degree. C. and liquid above 120.degree. C. and contains a mixture ofA) a polyisocyanate component whichi) has a content of blocked isocyanate groups (ex |
| 5723518 |
Aqueous two-component polyurethane coating compositions and a method for their preparation |
March 3, 1998 |
| A method is described for the preparation of aqueous coating compositions based on resin binders containing isocyanate-reactive hydrogen atoms and polyisocyanates, by mixing the components with water, wherein the mixture is forced at a pressure of from 1 to 30 MPa through a nozzle of sma |
| 5574123 |
Heat curable, one-component polyurethane reactive compositions |
November 12, 1996 |
| The present invention relates to a heat curable, one-component polyurethane reactive compositions containingA) surface-modified, finely divided polyisocyanates in which 0.1 to 25 equivalent percent, based on the total number of NCO groups, of the NCO groups are deactivated andB) a mixtur |
| 5552477 |
Coating compound, a process for its preparation and its use for the production of coatings |
September 3, 1996 |
| An aqueous two-component coating agent whose binder consists essentially of a combination of a) a polyol component present dissolved and/or dispersed in water comprising a1) at least one water-dilutable polymerisation resin or polycondensation resin with a molecular weight Mn of over 500 |
| 5534601 |
Polyisocyanate-modified dicarboxylic (poly) anhydrides |
July 9, 1996 |
| Polyisocyanate-modified dicarboxylic (poly)anhydrides which are solid below 40.degree. C., liquid above 120.degree. C. and based on the reaction product of organic polyisocyanates with more than equivalent quantities, based on the NCO/COOH reaction, of dicarboxylic (poly)anhydrides c |
| 5523377 |
Blocked polyisocyanates |
June 4, 1996 |
| Blocked (cyclo)aliphatic polyisocyanates wherein 30 to 70 equivalent-% of the isocyanate groups are blocked with butanone oxime, 30 to 70 equivalent-% of the isocyanate groups are blocked with 1,2,4-triazole and 0 to 30 equivalent-% of the isocyanate groups are blocked with other blo |
| 5510444 |
Powder coating compositions and their use for coating heat-resistant substrates |
April 23, 1996 |
| A powder coating composition for the production of non-yellowing, flexible coatings which contains a mixture of a polyisocyanate component which contains one or more lacquer polyisocyanates having free (unblocked) isocyanate groups bound to primary and/or secondary carbon atoms and a |
| 5492955 |
Powder coating compositions and their use for coating heat resistant substrates |
February 20, 1996 |
| A powder coating composition which is curable at 120.degree. to 150.degree. C. and contains A) one or more copolymers prepared from olefinically unsaturated monomers and containing epoxy groups and optionally hydroxyl groups, B) one or more curing agents containing carboxylic acid or |
| 5438106 |
Free radical-cured coating compositions |
August 1, 1995 |
| A NCO-free, free radical-curable polyurethane coating composition which is particularly suitable for application on heat sensitive substrate is disclosed. The coating contains an allylether-capped isocyanate prepolymer and at least one additional isocyanate prepolymer which is capped wit |
| 5349041 |
Water dilutable, polyester polyols and their use in coating compositions |
September 20, 1994 |
| The present invention relates to water dilutable, urethane group-containing polyester polyols having an acid number of 6 to 45 mg KOH/g, wherein 25 to 100% of the acid groups are neutralized by bases, a hydroxyl number of 20 to 250 mg KOH/g, a molecular weight (M.sub.w) of 2,000 to 150,0 |
| 5292807 |
Compositions of cyclic isourea component with carboxyl component |
March 8, 1994 |
| The present invention relates to compositions which are storage stable at room temperature and containA) at least one compound having at least two cyclic isourea groups per molecule andB) at least one compound having at least two carboxyl groups per molecule,in an amount sufficient to provid |
| 5208291 |
Powder coating compositions, a process for their production and their use for coating heat-resis |
May 4, 1993 |
| The present invention relates to a process for the production of powder coating compositions having a glass transition temperature of 20.degree. to 80.degree. C. bya) homogeneously dissolving in an inert solvent or solvent mixture having a boiling point or range between 50.degree. and 15 |
| 4777220 |
Process for the production of prepolymers containing isocyanate groups, prepolymers produced by |
October 11, 1988 |
| The present invention is directed to a process for the production of prepolymers containing free tertiary isocyanate groups by reacting(a) an organic diisocyanate containing one isocyanate group attached to a primary aliphatic carbon atom and an isocyanate group attached to a tertiary al |
| 4485226 |
Process for the production of compounds containing isocyanurate groups and olefinic double bonds |
November 27, 1984 |
| A process for the production of compounds which crosslink under the effect of high-energy radiation containing isocyanurate groups, olefinic double bonds, and, optionally, blocked or free isocyanate groups by reacting(i) isocyanurate-group-containing polyisocyanates which are based on al |
| 4481345 |
Process for the production of combinations of organic polyisocyanates and at least partly blocke |
November 6, 1984 |
| Process for the production of water-hardenable compositions of organic polyisocyanates and polyamines containing at least partly blocked amino groups present as ketimines, the combinations essentially representing mixtures and optionally reaction products containing urea groups by mixing |
| 4465836 |
Diisocyanates |
August 14, 1984 |
| Diisocyanates corresponding to the general formula ##STR1## wherein R denotes the residue of an aliphatic, cycloaliphatic or aromatic diisocyanate andR' denotes an alkyl group,and a process for the preparation of these diisocyanates by the reaction of a trialkylsilyl cyanide with at |
| 4428978 |
Concentrated microcapsule suspensions for reaction copying papers |
January 31, 1984 |
| A process for the production of aqueous suspensions containing from 35 to 60% by weight of microcapsules by interfacial polyaddition from polyisocyanates and H-active compounds, wherein(a) an isocyanaurate-modified aliphatic polyisocyanate is used as the polyisocyanate, and(b) the suspen |
| 4419513 |
Isocyanato-isocyanurates, and process for the production thereof |
December 6, 1983 |
| The present invention relates to a process for the preparation of novel isocyanato-isocyanurates by the catalytic and 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethyl-cyclohexane in a mole ratio of about 1:4 to 4:1, and to the products produced therefrom.The present invention also relates |
| 4373081 |
Coating compositions and process for the production of polyurethane coatings |
February 8, 1983 |
| The present invention relates to thermally cross-linkable coating compositions which are liquid and stable in storage at room temperature and which contain combinations of dialkyl-malonate-blocked polyisocyanates and organic polyhydroxyl compounds as binders and, optionally, auxiliaries |
| 4324879 |
Process for the preparation of polyisocyanates containing isocyanurate groups and the use thereo |
April 13, 1982 |
| The present invention is concerned with an improved process for the production of partially trimerized hexamethylene diisocyanate which yields isocyanurate isocyanates which have low viscosity and low monomer contents by the use of a quaternary ammonium hydroxide catalyst which is hy |
| 4305991 |
Integral-skin polyurethane foams and process therefor |
December 15, 1981 |
| The instant invention relates to a process for the production of polyurethane foams by reacting polyisocyanates with polyhydroxyl compounds of a specified molecular weight range in the presence of blowing agents and chain lengthening or cross-linking agents and optionally in the pres |
| 4288586 |
Process for the preparation of polyisocyanates containing isocyanurate groups |
September 8, 1981 |
| The present invention relates to a new process for the preparation of polyisocyanates containing isocyanurate groups by the partial trimerization of the isocyanate groups of 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethyl-cyclohexane (also known as isophorone diisocyanate and abbrevi |
| 4177342 |
Process for the preparation of polyisocyanates containing allophanate groups |
December 4, 1979 |
| This invention relates to a new process for the preparation of new organic polyisocyanates having at least three isocyanate groups and containing allophanate groups, to the polyisocyanates obtainable by this process, and to their use as components for the production of polyurethane resin |
| 4146559 |
Cycloaliphatic diamines |
March 27, 1979 |
| Compounds are disclosed which correspond to the general formula: ##STR1## in which N AND M WHICH ARE THE SAME OR DIFFERENT HAVE THE VALUES 0, 1 OR 2,R, r.sub.1 and R.sub.2 which are the same or different, represent hydrogen or CH.sub.3 -groupsAnd either(a) R.sub.3 and R.sub.5 represe |
| 4113705 |
Triisocyanates useful for the production of polyurethane resins |
September 12, 1978 |
| This invention relates to new liquid cycloaliphatic triisocyanates and to their use as isocyanate components for the production of polyurethane resins by the known isocyanate polyaddition process. |
| 4101578 |
Cycloaliphatic triamines |
July 18, 1978 |
| This invention relates to new cycloaliphatic triamines which are valuable intermediate products for synthetic resins, above all for lightfast and weather resistant polyurethane resins and in particular for solvent-free or low solvent polyurethane lacquers. |