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| Number | Title | Issue Date |
| 5719231 | Process for manufacturing polyvinyl alcohol polymers containing acetoacetic ester groups This invention relates to an improved process for the production of polyvinyl alcohol containing keto-ester groups wherein a polymer containing polyvinyl alcohol units is contacted with a compound having keto-ester forming groups under conditions for form... | 02/17/1998 |
| 5714634 | Process for storage and transport of toluenediamine This invention relates to an improved process for storing and transporting toluenediamine, particularly for long term storage or storage in large containers, e.g., shipboard containers. The improvement in the process resides in substantially reducing the ... | 02/03/1998 |
| 5679738 | Aqueous polymeric emulsions incorporating polymerized units of michael adducts of N-vinylformamide This invention pertains to aqueous emulsions containing water insoluble, vinyl polymer particles containing polymerized Michael adduct units of N-vinylformamide and to emulsions of vinyl acetate polymers containing said Michael adducts. These latex disper... | 10/21/1997 |
| 5670599 | Ultra low voc polyurethane coatings This invention relates to improved two part, low VOC polyurethane coatings comprising a low viscosity polyisocyanate component having an isocyanate functionality greater than two and a polyol component having a functionality equal to or greater than two. ... | 09/23/1997 |
| 5650543 | Ethoxylated acetylenic glycols having low dynamic surface tension This invention relates to ethoxylated acetylenic glycol compositions represented by the formula: ##STR1## wherein m and n are integers and the sum is from 4-12. These ethoxylated acetylenic diols are excellent as surfactants alone or admixed with oth... | 07/22/1997 |
| 5639916 | Amination of allylic alcohols This invention relates to an improvement in a process for the catalytic amination of an allylic alcohol of the formula: CH2 .dbd.CR--CH2 OH where R is hydrogen or methyl with ammonia or an amine of the formula R1 R2 ... | 06/17/1997 |
| 5591799 | Aqueous emulsion materials containing copolymerized vinyl amide monomers and hydrolysis products thereof This invention pertains to aqueous emulsions containing water insoluble, vinyl polymer particles containing polymerized N-vinyl formamide (NVF) units converted to water insoluble vinyl acetate polymers containing cationic, amine functional units. These la... | 01/07/1997 |
| 5567847 | Disproportionation of amines to produce secondary amines This invention relates to an improvement in a process for the production of amines and particularly secondary amines by the hydrogenation of aliphatic and aromatic nitriles and disproportionation of the resulting primary amine containing feedstock. The im... | 10/22/1996 |
| 5521246 | Low temperature self-crosslinking aqueous urethane-vinyl polymers for coating applications The present invention is directed to improved aqueous dispersions containing polyurethane/vinyl polymers and to a method for making such aqueous polyurethane-vinyl polymer dispersion. The aqueous dispersions comprise a urethane prepolymer having carboxyl ... | 05/28/1996 |
| 5468276 | Fertilizer chip and process for making same This invention pertains to a fertilizer and a process for producing the same which incorporates flyash, which is a by-product from the coal fired utility industry, with an organic fertilizing component comprising manure. The flyash and manure are mixed wi... | 11/21/1995 |
| 5451653 | Curable crosslinking system with monobenzaldimine as crosslinker This invention relates to improved crosslinking systems for polymeric dispersions and solutions having suitability for coatings, adhesives and use in many other applications. These systems are based upon crosslinkable polymers having a plurality of activa... | 09/19/1995 |
| 5449832 | Process for storage and transport of toluenediamine This invention relates to an improved process for storing and transporting toluenediamine, particularly for long term storage or storage in large containers, e.g., shipboard containers. The improvement in the process resides in substantially reducing the ... | 09/12/1995 |
| 5444170 | Hydrogenation of acetylenic compounds This invention pertains to an improved process for the hydrogenation of acetylenic compounds prepared by the condensation of ketones or aldehydes with acetylene wherein the acetylenic compounds are contacted with hydrogen in the presence of a hydrogenatio... | 08/22/1995 |
| 5421166 | Integrated air separation plant-integrated gasification combined cycle power generator An integrated cryogenic air separation unit power cycle system is disclosed wherein the air separation unit (ASU) is operated at elevated pressure to produce moderate pressure nitrogen. The integrated cycle combines a gasification section wherein a carbon... | 06/06/1995 |
| 5418313 | Process for reducing cure time in epoxy resins cured with methylenedianiline and derivatives This invention relates to an improved method for curing polyepoxide resins at elevated temperature and particularly to a method for reducing the time required to effect cure of thermosetting resins at elevated temperature without sacrificing performance. ... | 05/23/1995 |
| 5414067 | Process for reducing cure time in cycloaliphatic amine based epoxy resins This invention relates to an improved method for curing polyepoxide resins at elevated temperature and particularly to a method for reducing the time required to effect cure of thermosetting resins at elevated temperature without sacrificing performance. ... | 05/09/1995 |
| 5399769 | Preparation of methylamines using shape selective chabazites This invention relates to a process for producing a nonequilibrium distribution of methylamines by the catalyzed reaction of methanol and/or dimethyl ether with ammonia and by the catalytic reforming of a methylamine containing feedstock. One process sele... | 03/21/1995 |
| 5362471 | Process for producing gypsum flake from flue gas desulfurization This invention relates to an improved process for producing gypsum calcium sulfate dihydrate flakes from powdered gypsum calcium sulfate dihydrate obtained from the desulfurization of flue gas by the wet limestone process. The flakes have sufficient size ... | 11/08/1994 |
