| Patent Number |
Title Of Patent |
Date Issued |
| 7049001 |
Carbodiimides with carboxyl or carboxylate groups |
May 23, 2006 |
| Compounds with carbodiimide units and carboxyl or carboxylate groups (compounds V), derived from a) aliphatic or araliphatic C.sub.4 to C.sub.20 polyisocyanates (component a) b) hydroxy carboxylic acids or hydroxy carboxylic salts (component b) and c) if desired, further compounds, c |
| 6730807 |
Carbodiimides with carboxyl or carboxylate groups |
May 4, 2004 |
| Compounds containing carbodiimide units and carboxyl or carboxylate groups (compounds V), derived from a) aliphatic or araliphatic C.sub.4 to C.sub.20 polyisocyanates (component a) b) amino carboxylic acids or amino carboxylic salts (component b) and c) if desired, further compounds |
| 6599975 |
Latent cross-linking aqueous dispersions comprising a polyurethane |
July 29, 2003 |
| Latent-crosslinking aqueous polyurethane dispersions comprising I) a disperse phase (P.I) comprising Ia) a polyurethane (Ia) which carries carbodiimide groups in addition to hydrophilic groups which make it dispersible in water but carries essentially no carboxyl groups or Ib) a phy |
| 6552119 |
Latent cross-linking aqueous dispersions containing polyurethane |
April 22, 2003 |
| A latent-crosslinking aqueous polyurethane dispersion comprises I) a disperse phase (P.I) including Ia) a polyurethane (Ia) which has hydrophilic groups which make it dispersible in water and also has carbodiimide groups but essentially no carboxyl groups or Ib) a physical mixture o |
| 6395824 |
Aqueous dispersions containing polyurethanes with carbodiimide groups |
May 28, 2002 |
| Aqueous dispersions comprising a polyurethane which comprises carbodiimide structural units of the formula (I) |
| 6231926 |
Poromeric synthetic leathers |
May 15, 2001 |
| A process for producing poromeric synthetic leather comprisesI. producing an essentially nonporous impregnate by impregnating a textile sheet material with an aqueous polyurethane dispersion and drying, andII. producing a poromeric synthetic leather from the impregnate by subjecting the impr |
| 6184410 |
Carbodiimides based on 1,3-bis(1-methyl-1-isocyanatoethyl)benzene |
February 6, 2001 |
| Carbodiimides based on 1,3-bis(1-methyl-1-isocyanatoethyl)benzene contain from 12 to 40% by weight of ethylene oxide units [--CH.sub.2 --CH.sub.2 --O--], based on the weight of the carbodiimides. |
| 6169124 |
Inner parting agents for producing self-parting moldings made of polyisocyanate polyaddition pro |
January 2, 2001 |
| In a process for producing self-releasing, compact or cellular moldings which comprise polyisocyanate polyaddition products and may contain reinforcing material by reactinga) organic and/or modified organic polyisocyanates withb) at least one compound containing at least two reactive hydroge |
| 6063498 |
Sterile nonwovens bonded using polyurethane dispersions |
May 16, 2000 |
| A process for producing sterile nonwovens comprises a textile fabric composed of a fiber web being impregnated with an aqueous dispersion comprising a polyurethane, then dried and irradiated with .gamma.-rays. |
| 5917059 |
Preparation of cyclic acetals or ketals |
June 29, 1999 |
| Cyclic acetals or ketals are prepared by reacting a polyol with the appropriate aldehydes or ketones, with part of the aldehyde or ketone being distilled out during the reaction. |
| 5905113 |
Aqueous latent-crosslinking polyurethane dispersions |
May 18, 1999 |
| Aqueous latent-crosslinking polyurethane dispersions, comprisingI) a disperse phase (P.I) includingIa) polyurethanes (PUR.Ia) carrying not only groups which render the polyurethane dispersible in water but also groups with a C--C double bond which is activated by a carbonyl attached directly |
| 5852104 |
Aqueous polyurethane dispersions containing structural units derived from alkenyl- or alkylsucci |
December 22, 1998 |
| Aqueous dispersions containing a polyurethane built up froma) diisocyanates having 4 to 30 carbon atoms,b) diols, of whichb.1) from 10 to 100 mol %, based on the total amount of the diols (b), have a molecular weight of from 500 to 5000 and are built up fromb1.1) (C.sub.4 - to C.sub.30 -alkyl)su |
| 5840823 |
Aqueous polyurethane dispersions having latent crosslinking properties |
November 24, 1998 |
| Aqueous polyurethane dispersions having latent crosslinking properties containI) a disperse phase (P.I), containingIa) a polyurethane (PUR.Ia) which, in addition to groups which impart water dispersibility to the polyurethane, carries groups which have a C--C double bond and in which the |
| 5780542 |
Water-emulsifiable polyisocyanates |
July 14, 1998 |
| Water-emulsifiable polyisocyanates containinga) aliphatic, cycloaliphatic and aromatic polyisocyanates andb) reaction products of the abovementioned polyisocyanates with polyvinylpyrrolidones which have at least one group which is reactive with isocyanate. |
| 5707941 |
Polyurethanes suitable as coating materials |
January 13, 1998 |
| Polyurethanes suitable as coating materials or components thereof are essentially composed ofA)a.sub.1) from 40 to 100 mol % of bis(4-isocyanatocyclohexyl)methane, the trans/trans content of (a.sub.1) being up to 18 mol %, based on the amount of (a.sub.1), anda.sub.2) from 0 to 60 mol % |
| 5616678 |
Azo dyestuff- and urethane-containing polyadduct and its use in nonlinear optics |
April 1, 1997 |
| Azo dyestuff- and urethane-containing polyadducts comprising(a) at least one organic polyisocyanate,(b) at least one diol of a heterocyclic azo dyestuff,and if desired(c) one or more compounds having at least two groups reactive to NCO, which have an average molecular weight M.sub.n of up to 50 |
| 5587421 |
Mixtures containing water-emulsifiable isocyanates |
December 24, 1996 |
| A mixture containsa) water-emulsifiable polyisocyanates andb) carbonic esters or lactones as organic solvents. |
| 5583176 |
Water-emulsifiable polyisocyanates |
December 10, 1996 |
| Water-emulsifiable polyisocyanates, containinga) aliphatic, cycloaliphatic or aromatic polyisocyanates andb) reaction products of the abovementioned polyisocyanates with compounds which contain at least one group ##STR1## in short called a sulfo group, and at least one isocyanate-reacti |
