Patents for C07C 265 - Derivatives of isocyanic acid (3,263) |
---|
04/13/1993 | US5202358 Process for the preparation of liquid storable organic isocyanates containing carbodiimide and/or uretone imine groups and their use for the preparation of polyurethane plastics |
04/09/1993 | CA2077793A1 Free-flowing solids based on 4, 4'-diisocyanato dicyclohexylmethane |
04/06/1993 | CA1315799C Process for the production of polyisocyanates with biuret structures |
04/01/1993 | WO1993006090A1 Substituted 3-phenyluracils as herbicides |
04/01/1993 | DE4131038A1 Substituierte 3-phenylurazile Substituted 3-phenyluracils |
04/01/1993 | CA2119036A1 Substituted 3-phenyluracils |
03/23/1993 | US5196572 Thermal decomposition of xylylene dicarbamate with tin and/or antimony containing catalyst |
03/23/1993 | US5196562 Intermediates |
03/17/1993 | EP0531803A2 Method for preventing coloration of aromatic isocyanate compounds |
03/10/1993 | CA2077632A1 Method for preventing coloration of aromatic isocyanate compounds |
03/09/1993 | CA1314341C Polyisocyanate mixture |
03/04/1993 | WO1992015555A3 Fluoroalkenyl compounds and their use as pest repellents |
02/24/1993 | EP0528299A2 Method of recovery of polyisocyanates from distillation residues of tolueredi-isocyanate preparation |
02/23/1993 | US5189205 Process for preparing isocyanates |
02/21/1993 | CA2076246A1 Process for recovering polyisocyanates from the distillation residues obtained in the production of tolylene diisocyanate |
02/10/1993 | EP0334911B1 Substituted phenyltrifluormethylethers |
02/02/1993 | US5183932 Chemical intermediates |
01/27/1993 | EP0524554A2 Reactor and process for thermal clearage of carbonic acid esters |
01/27/1993 | EP0524511A1 Process for the preparation of aqueous dispersions of blocked polyisocyanates |
01/27/1993 | EP0524507A1 Process for the purification of polyisocyanates |
01/26/1993 | CA1313192C Process for separating a feed mixture comprising 2,6- toluene diisocyanate and 2,4-toluene diisocyanate |
01/24/1993 | CA2074226A1 Process for the purification of polyisocyanates, the polyisocyanates thus purified and their use |
01/24/1993 | CA2072902A1 Aqueous dispersions of blocked polyisocyanates |
01/12/1993 | US5179227 Warming a solid third fraction and removal of melt to obtain high purity p,p-diphenylmethanediisocyanate |
12/29/1992 | US5175349 Stabilization of organic polyisocyanates |
12/15/1992 | US5171468 Aromatic polyisocyanate |
12/10/1992 | DE4118914A1 Light coloured mixts. of di:phenylmethane di:isocyanate cpds. - and poly:phenyl poly:methylene poly:isocyanate cpds. are prepd. by treating reaction mixt. with a chloroformate and heating |
12/08/1992 | CA1311245C Process for the separation of toluene diisocyanate contained in process residues |
12/02/1992 | EP0515933A2 Process for the preparation of fluid and storage stable organic isocyanates containing carbodiimide uretonimino groups, and their use in the preparation of polyurethane resins |
11/26/1992 | DE4116658A1 Polyfunctional siloxy-alkyl ester(s) - by reaction of tri:organo:silyl ester(s) of polybasic carboxylic acids with epoxide cpds. |
11/10/1992 | US5162575 Reacting organic base with halogenated amide in solvent |
11/10/1992 | US5162327 Pyrimidinetrione derivatives, agents containing them and their use as agents for combating pests |
11/04/1992 | EP0511572A1 Amine and ammonium isocyanates, method of preparation, their use in preparing ammonium group containing polymers and the polymers thus prepared |
11/03/1992 | CA1309727C Benzoylurea derivative and its production and use |
11/03/1992 | CA1309724C Diisocyanates and a process for their preparation |
11/03/1992 | CA1309721C Process for the continuous production of mono- and polyisocyanates |
11/02/1992 | CA2067401A1 Amino and ammonium isocyanates, a process for their preparation, their use for the production of polymers containing ammonium groups and the polymers thus produced |
10/28/1992 | EP0510459A2 Process for the preparation of poly(o-alkylurethanes) of the diphenyl methane series |
10/24/1992 | CA2066480A1 Process for the production of poly(o-alkylurethanes) of the diphenyl methane series |
10/21/1992 | EP0509303A1 Method of production of beta-halo-t-alkylisocyanates |
10/20/1992 | US5157155 Benzoylurea derivative and its production and use |
10/15/1992 | WO1992017442A1 Process for the preparation of isocyanates and carbamates using a silver salt promoted hofmann rearrangement |
10/14/1992 | EP0508279A1 Method of production of beta-halo-t-alkylisocyanates |
10/14/1992 | EP0508216A1 Method for the conditioning and/or purification of organic isocyanates |
10/01/1992 | DE4110052A1 Modified diene] rubbers with thermoplastic elastomer properties - are prepd. by addn. reaction of diene rubber, e.g. EPDM or polybutadiene, with 4-(3,5-di:carboxy-phenyl)-1,2,4-triazoline-3,5-di:one |
09/29/1992 | US5151535 Fluorine-containing α,β-bifunctional compounds and process for their production |
09/23/1992 | EP0505316A2 Diisocyanates, diurethanes and diureides from dehydroabietic acid |
09/22/1992 | US5149805 Blocked with caprolactam, methyl ethyl ketoxime or diisobutyl ketoxime |
09/17/1992 | WO1992015555A2 Fluoroalkenyl compounds and their use as pest repellents |
09/17/1992 | CA2104005A1 Fluoroalkenyl compounds and their use as pest repellents |
09/16/1992 | CN1064479A Fluoroalkenyl compounds and their use as pest repellents |
09/09/1992 | EP0502307A2 Substituted 4,5-diamino-1,2,4-triazol-3-(thi)ones |
09/08/1992 | CA1307285C Process for the production of isocyanates |
09/02/1992 | CN1064074A Process for reducing hydrolyzable chloride in toluene diisocyanate |
09/01/1992 | US5143944 Nonfugitive catalyst, high activity |
08/05/1992 | EP0497538A2 Process for reducing hydrolyzable chloride in toluene diisocyanate |
07/29/1992 | EP0496347A2 Methods of preparing fluorobenzene derivatives and related compounds |
07/21/1992 | US5132335 Acrylic and methacrylic esters of substituted 1,2-bis(phenoxy)-3,3,4,4,5,5-hexafluoro-1-cyclopentenes |
07/14/1992 | US5130466 Formation of a polyurethane from a diisocyanate containing an ester group |
07/14/1992 | CA1305165C Process for the preparation of (cyclo)aliphatic diisocyanates |
07/14/1992 | CA1305162C Process for the production of isocyanates |
07/01/1992 | EP0492556A1 Continuous process for the preparation of isocyanates |
07/01/1992 | EP0492145A2 Process for producing xylylene diisocyanate |
06/30/1992 | US5126479 Process for the production of blocked polyisocyanates containing carbodiimide groups, the polyisocyanates obtainable by this process and their use for the production of plastics |
06/30/1992 | US5126426 Catalytic hydrogenation of aromatic diamine |
06/30/1992 | CA1304399C Process for the purification and the isolation of isocyanate condensates by liquid or supercritical co _extraction |
06/30/1992 | CA1304392C Process for the preparation of substituted 3,5- dichloro-2,4-difluoro-benzenes |
06/16/1992 | CA1303623C Preparation of cyclohexyl mono- and diurethanes and isocyanates derivedtherefrom by addition of methylcarbamates to limonene, process and compositions |
05/26/1992 | US5117048 Process for the continuous preparation of monoisocyanates or polyisocyanates |
05/06/1992 | CN1060836A Fractionation process of reaction mixture containing methylene bridged polyphenylene polyisocyanate |
04/29/1992 | EP0482490A2 Fractionation process of reaction mixture containing methylene bridged polyphenylene polyisocyanate |
04/21/1992 | US5107017 Insecticides |
04/15/1992 | EP0480493A2 Processes for the preparation of nitrogen-containing compounds |
03/24/1992 | US5098983 Uretidone and isocyanurates and polyurethane/ureas |
03/21/1992 | CA2051594A1 Processes for the preparation of nitrogen-containing compounds |
03/17/1992 | US5096994 Low viscosity |
03/17/1992 | US5096928 Insecticidal substituted benzoyl(thio) ureas |
03/17/1992 | CA1297490C Preparation of a novel diisocyanate from norbornadiene |
03/17/1992 | CA1297488C Method of preparation of novel 2-(alkoxymethyl)- pentane-1,5-diisocyanates, 2-(alkoxymethyl)-pentane-1, 5-diurethanes, and 2-(alkoxymethyl)-pentane-1,5- dicarbamic acid chlorides and their uses |
03/10/1992 | US5095147 2,2-difluorocyclopropyl derivatives |
03/10/1992 | CA1297118C Preparation of novel aliphatic diisocyanate from styrene |
03/04/1992 | EP0473290A2 Multilayer reverse osmosis membrane of polyamide-urea |
02/25/1992 | US5091553 Reacting adduct of isocyanic acid and tertiary amine with unsaturated compound |
02/25/1992 | CA1296350C 6-isocyanato caproic acid (3-isocyanato-2,2-dimethyl-1- propyl)-ester |
02/18/1992 | US5089639 N-cycloalkylalkylamines, process for their preparation, their use as a medicament and their synthesis intermediates |
02/18/1992 | CA1296016C Process for the preparation of isophorone diisocyanate from isophorone dicarbamyl esters using highly selective sno_or cuo catalysts |
02/12/1992 | EP0470711A1 Fungicides |
02/11/1992 | US5087739 From diamines, urea, alcohols and by-products from thermal cracking |
02/04/1992 | CA1295338C Process for the preparation of organic isocyanates |
01/22/1992 | EP0467125A1 Process for the preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates with a reduced iodic colorimetric measure |
01/14/1992 | US5081288 Process for the preparation of substituted 3,5-dichloro-2,4-difluoro-benzenes |
01/07/1992 | US5078980 Process for the removal of isocyanic acid from a mixture of isocyanic acid and ammonia |
12/10/1991 | US5071853 Amine-substituted hexahydroindeno(2,1-b)pyrroles, -indeno(2,1-c)pyridines or -indeno(2,1-d)azepines; cerebral ischemia or infarction |
11/12/1991 | CA1292006C Process for the production of diisocyanates, selected diisocyanates produced thereby and the production of polyurethane plastics therefrom |
11/06/1991 | CN1014606B Continuous preparation method of monoisocyanate or polyisocyanate |
10/31/1991 | CA2041411A1 Stack emission control system for removing organic pollutants from air |
10/30/1991 | EP0453914A2 Melt crystallization process for preparing high trans, trans-isomer containing 4,4'-diisocyanato dicyclohexylmethane |
10/25/1991 | CA2039544A1 Melt crystallization process for preparing high trans,trans-isomer containing 4,4'-diisocyanato dicyclohexylmethane |
10/22/1991 | CA1291151C N-benzoyl-n'-3,5-dichloro-4-hexafluoropropyloxy-phenylureas |
10/22/1991 | CA1291150C Process for the preparation of alkoxycarbonyl isocyanates |