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| Number | Title | Issue Date |
| 5470945 | Thermally reversible isocyanate-based polymers Thermally-reversible polymer compositions are obtained by reacting compounds with isocyanate and labile-hydrogen functionality. Aromatic polyimide, aromatic polycarbonate, polyarylsulfide, aromatic polyester with liquid crystal property, and polyarylimida... | 11/28/1995 |
| 5387667 | Thermally-reversible isocyanate-based polymers Thermally-reversible polymer compositions are obtained by reacting compounds with isocyanate and labile-hydrogen functionality. High-performance characteristics are incorporated into the polymer by using aromatic polycarbonate, aromatic polyester, polyary... | 02/07/1995 |
| 5097010 | Thermally-reversible isocyanate polymers Thermally-reversible polymer compositions are obtained by reacting compounds with isocyanate and labile-hydrogen functionality. High-performance characteristics are incorporated into the polymer by using polyimide, aromatic polycarbonate, aromatic polyest... | 03/17/1992 |
| 4943460 | Process for coating polymer surfaces and coated products produced using such process Processes for treating polymeric surfaces to produce smooth, durable, slippery coatings which are able to withstand the rigors of sterilization and, long term exposure to human blood and other bodily fluids without substantial loss of their slipperiness.... | 07/24/1990 |
| 4904749 | Preparation of PHEMA by precipitation/suspension polymerization Disclosed is a method for preparing poly(2-hydroxyethyl methacrylate) polymers (PHEMA) by a precipitation/suspension polymerization technique wherein a reaction mixture comprising hydroxyethyl methacrylate monomer (HEMA), solvent, and a free-radical initi... | 02/27/1990 |
| 4618707 | Preparation of menthane diisocyanate by addition of isocyanic acid to terpinyl monoisocyanates A process for preparing menthane diisocyanate by reaction of a terpinyl monoisocyanate with isocyanic acid in a medium which is an excess of isocyanic acid, a polar solvent, or a mixture of solvents which includes a polar solvent in the presence of a cata... | 10/21/1986 |
| 4374268 | Catalytic oxydehydrogenation process Isobutyric acid or a functional equivalent; e.g., a lower alkyl ester is oxidatively dehydrogenated to effect the vapor phase conversion thereof to the corresponding ,ଲ-ethylenically unsaturated derivative by contact with a heterogeneous cata... | 02/15/1983 |
| 4372934 | Production of isocyanic acid Isocyanic acid is formed directly from nitric oxide, carbon monoxide and hydrogen by contacting a supported bifunctional iridium or rhodium metal catalyst at an elevated temperature with a feed stream of said reactants.... | 02/08/1983 |
| 4299980 | Catalytic oxydehydrogenation process Isobutyric acid or a functional equivalent, e.g., a lower alkyl ester is oxidatively dehydrogenated to effect the vapor phase conversion thereof to the corresponding ,ଲ-ethylenically unsaturated derivative by contact with a heterogeneous cata... | 11/10/1981 |
