| Patent Number |
Title Of Patent |
Date Issued |
| 6120562 |
Triazine derivatives as fixers in coloring and as cross-linking agents |
September 19, 2000 |
| Amino- and/or alkoxytriazines containing at least one C.sub.1 -C.sub.10 -alkyl group which possesses a vinylsulfonyl group or a radical capable of forming a vinylsulfonyl group and may be substituted further, are used as fixation aids when using anionic dyes on hydroxyl- or nitrogen-cont |
| 6069161 |
Use of aminoisothiazoles as microbicides |
May 30, 2000 |
| Aminoisothiazoles of the formula I, whereR is hydrogen or C.sub.1 -C.sub.4 alkyl andX is halogen, NO.sub.2, CN or SCN, and metal complexes and acid addition salts thereofare used as microbicides for protecting industrial materials from being attacked and destroyed by microorganisms. |
| 6063286 |
Modified, fine-particle, water-insoluble aziridine polymer and use therefore for removing heavy |
May 16, 2000 |
| Process for preparing fine-particle, water-insoluble polymers of aziridines by polymerizing aziridines, preferably ethylenimine, in the presence of crosslinkers which contain at least two functional groups, and in at least one ether, and also modified, water-insoluble polymers of aziridi |
| 6056967 |
Method of producing water-soluble condensates and addition products containing amino groups, and |
May 2, 2000 |
| A process for the preparation of water-soluble, amino-containing condensates and adducts having a greater drainage and retention effect in papermaking, in which from 5 to 95% by weight of the condensates or adducts are separated off as permeate from solutions of water-soluble, amino-cont |
| 6031064 |
Condensation products based on triazines and formaldehyde |
February 29, 2000 |
| Condensation products obtained by condensation of(A) a mixture consisting of(a) a triazine of the general formula I ##STR1## and (b) a mixture consisting of(b1) a triazine of the general formula II ##STR2## (b2) a substituted melamine of the general formula III ##STR3## (B) |
| 6004892 |
Fire protection covers made of melamine-formaldehyde resin fibers |
December 21, 1999 |
| Melamine resin fibers are used for manufacturing fire-safety blankets. |
| 6001166 |
Aqueous alkyldiketene dispersions and their use as size for paper |
December 14, 1999 |
| Aqueous alkyldiketene dispersions comprising an alkyldiketene, cationic starch having an amylopectic content of at least 95% by weight and as anionic dispersants(a) from 0.05 to 1.0% by weight of ligninsulfonic acid, condensates of naphthalenesulfonic acid and formaldehyde, sulfonated po |
| 5977293 |
Process for continuous preparation of homopolymers of ethyleneimine |
November 2, 1999 |
| A process for the continuous preparation of homopolymers of ethyleneimine by polymerization of ethyleneimine in a solvent in the presence of catalysts at temperatures of at least 80.degree. C., in homogeneous liquid phase in a tubular reactor in which the ratio of length to internal |
| 5942588 |
Aqueous alkyldiketene dispersions and their use as size for paper |
August 24, 1999 |
| Aqueous alkyldiketene dispersions which contain a C.sub.14 -C.sub.22 -alkyldiketene and from 1 to 10% by weight of a polymeric protective colloid contain, as the protective colloid(a) copolymers of(1) N-vinylpyrrolidone and(2) at least one quaternized N-vinylimidazole or a substituted quater |
| 5939515 |
Modified melamine-formaldehyde resins |
August 17, 1999 |
| Condensation of products obtained by condensation of a mixture comprising(A) from 90 to 99.9 mol % of a mixture consisting essentially of(a) from 30 to 100 mol % of melamine and(b) from 0 to 70 mol % of a substituted melamine of the formula I ##STR1## where X, X' and X" are as defined in the |
| 5851300 |
Cationic modification of starch and use of the cationically modified starch |
December 22, 1998 |
| In a cationic modification process for starch, starch is reacted with polymers that contain amino and/or ammonium groups in an aqueous medium at temperatures from 115.degree. C. to 180.degree. C. under an increased pressure and in the absence of oxidizers, polymerization initiators and |
| 5837013 |
Preparation of colored melamine-formaldehyde condensation products |
November 17, 1998 |
| A process for preparing colored melamine-formaldehyde condensation products by:(A) dispersing a mixture consisting essentially of(a) a substituted melamine of the formula I ##STR1## where X.sup.1, X.sup.2 and X.sup.3 are each as disclosed hereinafter, and (b) if desired, formaldehyde |
| 5744001 |
Aqueous pigment slurries for production of filler-containing paper |
April 28, 1998 |
| Aqueous pigment slurries which contain up to 80% by weight of a finely divided pigment in dispersed form and from 0.1 to 5% by weight of dispersants which are obtainable by reacting(a) polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with ethyleneimine, polyetheramines an |
| 5702517 |
Additives for plastics, in particular for PVC |
December 30, 1997 |
| Oxo oils may be used as additives for plastics, in particular for a chloride-containing plastic, preferably PVC, as part of liquid stabilizer compositions. |
| 5672721 |
Preparation of low-solvent alkyl diketenes |
September 30, 1997 |
| A process for the preparation of low-solvent alkyl diketenes of the general formula: ##STR1## in which R.sup.1 denotes C.sub.10 -C.sub.30 alkyl or C.sub.10 -C.sub.30 alkenyl andR.sup.2 denotes hydrogen or C.sub.1 -C.sub.8 alkyl, by causing carboxylic chlorides of the formula II |
| 5641855 |
Water-soluble condensation products of amino-containing compounds and crosslinkers, preparation |
June 24, 1997 |
| There are described water-soluble condensation products of amino-containing compounds and crosslinkers, obtainable by reacting(a) polyalkylenepolyamines, polyamidoamines, ethylene-imine-grafted polyamidoamines, polyetheramines and mixtures thereof, with(b) monethylenically unsaturated carbox |
| 5637704 |
Preparation of hydroxyoxaalkylmelamines |
June 10, 1997 |
| A process for the preparation hydroxyoxaalkylmelamines of the general formula I ##STR1## in which R.sup.1 denotes a residue of the general formula II ##STR2## in which the radicals R' can be the same or different and stand for hydrogen or C.sub.1 -C.sub.4 alkyl and n denotes |
| 5536370 |
Condensates of polyalkylenepolyamines, their preparation and their use in papermaking |
July 16, 1996 |
| Condensates of polyalkylenepolyamines which are obtainable by(a) partial amidation of polyalkylenepolyamines and(b) condensation of the partially amidated polyalkylenepolyamines with bifunctional or polyfunctional crosslinking agentsto give crosslinked polyalkylenepolyamines which, in 20% streng |
| 5530031 |
Water-insoluble melamine-formaldehyde resins |
June 25, 1996 |
| Water-insoluble condensation products, obtained by the condensation of a mixture containing as essential components(A) from 80 to 99.9 mol %, based on the sum of (A), (B) and (C), of a mixture consisting essentially of(a) from 30 to 99 mol % of melamine and(b) from 1 to 70 mol % of a substit |
| 5430186 |
Preparation of carboxylic chlorides |
July 4, 1995 |
| A process for the continuous manufacture of carboxylic chlorides (I) of the general formula R-COCl, in which R stands for a C-organic radical containing from 1 to 30 C atoms, by the reaction of a carboxylic acid (II) with a reaction product (III) of phosgene (IV) and an N,N-substituted |
| 5393828 |
Chemical degradation of cured amino resins |
February 28, 1995 |
| A process for chemically degrading cured amino resins comprises reacting cured amino resins, which may contain fillers, with a primary and/or secondary amine at from 40.degree. to 250.degree. C. |
| 5391363 |
Continuous purification of an off-gas composed of CO.sub.2 +HCl+COCl.sub.2 |
February 21, 1995 |
| A continuous process for purifying an off-gas which contains CO.sub.2 and HCl and COCl.sub.2. The process comprises passing the off-gas through a separator filled with N,N-dialkylformamide and HCl. This causes a reaction between the COCl.sub.2 and the N,N-dialkylformamide to give the Vil |
| 5382476 |
Recycling of cured aminoplast resins |
January 17, 1995 |
| Cured aminoplast resins are recycled by a process in which said resins, which may contain fillers, are treated with an aqueous sulfite, hydrogen sulfite or disulfite solution and the resulting low molecular weight degradation products are used in chemical processes. The resulting low |
| 5372609 |
Self-tanning, pretanning and assist tanning of pelts and skin pelts and retanning of leather and |
December 13, 1994 |
| Pelts and skin pelts can be self-tanned, pretanned and assist tanned and leather and skin can be retanned by using for this purpose the compound Ior an acetal thereof. |
| 5356938 |
Recycling of cured aminoplast resins |
October 18, 1994 |
| Cured aminoplast resins are recycled by a process in which said resins, which may contain fillers, are treated with an aqueous sulfite, hydrogen sulfite or disulfite solution and the resulting low molecular weight degradation products are used in chemical processes. The resulting low |
| 5342916 |
Condensation polymers of sulfonated phenols, urea, other organic nitrogen-bases, and formaldehyd |
August 30, 1994 |
| Condensation polymers of sulfonated phenols, urea, other organic nitrogen-bases and formaldehyde, obtainable by(A) sulfonation of phenols with from 1.0 to 1.5 moles of sulfuric acid per mole of phenol and(B) condensation of these sulfonation products with(a) from 0.5 to 1.8 moles of urea per |
| 5332830 |
Preparation of N-hydroxyazoles |
July 26, 1994 |
| N-Hydroxyazoles of the general formula I ##STR1## where A is ##STR2## and R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 -C.sub.4 -alkyl or halogen, are prepared by a process in which an azole of the general formula II ##STR3## where A, R.sup.1, R.sup.2 and R |
| 5322915 |
Modified melamine-formaldehyde resins |
June 21, 1994 |
| A condensation polymer, obtainable by condensation of a mixture containing, as chief components,(A) from 90 to 99.9% molar of a mixture substantially consisting of(a) from 30 to 99% molar of melamine and(b) from 1 to 70% molar of a substituted melamine of the general formula I ##STR1## |
| 5245063 |
Preparation of carbonyl chlorides |
September 14, 1993 |
| A process for preparing carbonyl chlorides of the formula I ##STR1## where R is C.sub.1 -C.sub.30 -alkyl, C.sub.2 -C.sub.30 -alkenyl or C.sub.2 -C.sub.30 -alkynyl, from essentially equimolar amounts of a carboxylic acid of the formula II ##STR2## where R has the abovementione |
| 5216010 |
Biocidal N-thiocyanatomethoxyazaheterocycles |
June 1, 1993 |
| N-Thiocyanatomethoxyazaheterocycles of the general formula I(where Het is pyrazolyl, imidazolyl or triazolyl, each of which may be substituted, or is indazolyl, benzoimidazolyl or benzotriazolyl, where each of the fused benzene rings may furthermore be substituted, and the salts and meta |
| 5187194 |
Wood preservatives containing polymeric nitrogen compounds |
February 16, 1993 |
| Wood preservatives which contain a mixture of an N-organyldiazeniumdioxy-metal salt and a complex-forming polymeric nitrogen compound are used for preserving wood. |
| 5186947 |
Wood preservative based on polymeric nitrogen compounds and metal-fixing acids |
February 16, 1993 |
| Water-soluble wood preservatives which contain mixtures of a metal compound, a metal-fixing acid and a complexing polymeric nitrogen compound, and methods for protecting wood with such mixtures. |
| 5166427 |
Preparation of acyl chlorides |
November 24, 1992 |
| Acyl chlorides of the general formula ##STR1## where R is C.sub.8 -C.sub.30 -alkyl, C.sub.8 -C.sub.30 -alkenyl or C.sub.8 -C.sub.30 -alkynyl, are prepared from a carboxylic acid of the general formula II ##STR2## where R has the abovementioned meanings, and phosgene, COCl.sub |
| 5162487 |
Melamine resin moldings having increased elasticity |
November 10, 1992 |
| Moldings, in particular foams and fibers, based on melamine/formaldehyde condensation products, in which from 0.1 to 70 mol % of the melamine have been replaced by melamine substituted by from 1 to 3 hydroxyoxaalkyl groups of the formulan=1-5)have increased elasticity. |
| 5158974 |
Preparation of N-alkyl- and N,N-dialkyldiaminoethanes |
October 27, 1992 |
| A process is described for the preparation of an N-alkyl- or N,N-dialkyl-1,2-diaminoethane of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl, R.sup.2 is C.sub.1 - to C.sub.5 -alkyl, and R.sup.3 is hydrogen or C.sub.1 - to C.sub.5 -alkyl, with the proviso that |
| 5084488 |
Melamine resin moldings having increased elasticity |
January 28, 1992 |
| Moldings, in particular foams and fibers, based on melamine/formaldehyde condensation products, in which from 0.1 to 70 mol% of the melamine have been replaced by melamine substituted by from 1 to 3 hydroxyoxaalkyl groups of the formulahave increased elasticity. |
| 5081142 |
Derivatives of 1-hydroxy-1,2,4-triazole and fungicides and growth regulators containing them |
January 14, 1992 |
| Compounds of the formula I ##STR1## where Ar is unsubstituted or substituted phenyl, pyridyl, thienyl or napthyl,R.sup.1 is hydrogen or CN,R.sup.2 is unsubstituted or substituted aryl, hetaryl, alkyl or cycloalkyl, or is unsubstituted or substituted alkenyl or alkynyl,x is CH.sub.2, |
| 5076808 |
Dyeing of polyamide substrates with an organic N-nitroso-hydroxylamine as light stabilizer |
December 31, 1991 |
| Polyamide substrates are dyed from aqueous baths with suitable dyes and with copper complexes of organic N-nitrosohydroxylamines as light stabilizers for the dyed polyamide. |
| 5049678 |
1-hydroxy-1,2,4-triazoles |
September 17, 1991 |
| 1-hydroxy-1,2,4-traizoles have the general formula I ##STR1## where R.sup.1 and R.sup.2 are singly independently of the other hydrogen, alkyl, halogen or substituted or unsubstituted aryl or together an alkylene chain. |
| 5047551 |
Preparation of 4-chloropyrazoles |
September 10, 1991 |
| 4-Chloropyrazoles of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each independently of the others hydrogen or a radical which is inert under the reaction conditions, are prepared by reacting pyrazoles of the general formula II ##STR2## wherein R.sup. |
| 5026720 |
1-hydroxyazole compounds and fungicides containing these |
June 25, 1991 |
| Compounds of the general formula I ##STR1## where X is alkyl, aryl, aryloxy or alkoxy, Y is hydrogen, alkyl, alkoxy, halogen, aryl or aryloxy, n is 0 to 5, and Z is CH or N, and fungicides containing these compounds. |
| 5017725 |
Preparation of addition salts of cysteamine with acids |
May 21, 1991 |
| Addition salts of cysteamine with acids are prepared by reacting aziridine with an organic sulfur compound of oxidation state -2 and with a ketone and then subjecting the thiazolidine formed as an intermediate to acid hydrolysis, by a process in which aziridine and the ketone are reacted |
| 4988721 |
0-(1,2,4-triazol-1-yl) o-phenyl acetals useful as fungicides |
January 29, 1991 |
| Compounds of the general formula ##STR1## where 5 R is alkyl or substituted or unsubstituted aryl,X is C.dbd.O or CHOH and derivatives thereof,Y is hydrogen, alkyl, alkoxy, halogen, aryl or aryloxy, andn is 1 to 5,and fungicides containing these compounds. |
| 4987143 |
1-hydroxy-1,2,4-triazole compounds useful as fungicides |
January 22, 1991 |
| Compounds of the general formula ##STR1## where X is CH.sub.2 or O, Y is hydrogen, alkyl, alkoxy, halogen, aryl or aryloxy and n is from 1 to 5, and their salts and complexes, and fungicides containing these compounds. |
| 4957937 |
Substituted N-hydroxypyrazoles and fungicides which contain these compounds |
September 18, 1990 |
| Substituted N-hydroxypyrazoles of the general formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different and are hydrogen, alkyl, haloalkyl, cycloalkyl, alkoxycarbonyl, halogen, aryl or arylalkyl, the aromatic ring being unsubstituted or substituted,or R.sup.2 and |
| 4945167 |
Preparation of N-hydroxypyrazoles |
July 31, 1990 |
| N-hydroxypyrazoles of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 may be identical or different and are each hydrogen or halogen, are prepared by a process in which a pyrazole of the general formula II ##STR2## where R.sup.1, R.sup.2 and R.sup.3 have the |
| 4945166 |
Preparation of N-hydroxypyrazoles |
July 31, 1990 |
| N-hydroxypyrazoles of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 may be identical or different and are each hydrogen, alkyl, halogen or aryl, or R.sup.1 and R.sup.2 or R.sup.2 and R.sup.3 together with the carbon atoms carrying these radicals form an aromat |
| 4888412 |
Tanning assistant |
December 19, 1989 |
| A tanning assistant useful in particular for tanning in combination with aluminum tanning agents is obtained by condensing melamine with glyoxal and/or glyoxylic acid and optionally with an aromatic compound which has a phenolic hydroxyl group or optionally with a condensable nitrogen |
| 4886882 |
Hydroxyoxaalkylmelamines |
December 12, 1989 |
| Hydroxyoxaalkylmelamines of the general formula I ##STR1## where the radicals R may be identical or different and are each hydrogen or a radical of the general formula IIwhere the radicals R' may be indentical or different and are each hydrogen or C.sub.1 -C.sub.4 -alkyl and n is 2 o |
| 4754044 |
Preparation of ketene O,N-acetals |
June 28, 1988 |
| Ketene O,N-acetals of the formula I ##STR1## where R.sup.1 is tertiary alkyl of 4 to 6 carbon atoms, R.sup.2 is hydrogen, R.sup.3 is phenyl which is unsubstituted or substituted by halogen, alkoxy, alkyl, phenyl, phenoxy, cyano, nitro or trifluoromethyl and ##STR2## is a |
