| Patent Number |
Title Of Patent |
Date Issued |
| 5179146 |
Modified polyisocyanates, a process for their production and their use |
January 12, 1993 |
| Modified polyisocyanates having an NCO group content of from 10 to 45% by weight, comprising a a) a polyisocyanate component consisting essentially of an organic polyisocyanate having an NCO group content of from 15 to 50% by weight which is liquid at room temperature, and b) 2 to 100% b |
| 5173559 |
Reactive systems and a process for the preparation of polyurethane plastics |
December 22, 1992 |
| The present invention relates to reactive systems comprising(a) a storable mixture of (i) a polyisocyanate component comprising at least one organic polyisocyanate, and (ii) an epoxide component stabilized by heating in the presence of an alkylating agent, wherein said heating is optiona |
| 5166232 |
Cellulose/plastic blends, a process for their production and their use |
November 24, 1992 |
| Blends of cellulose and a polyurethane (urea) have improved properties in relation to other cellulose blends and can be used as a biodegradable packaging material. |
| 5134216 |
Epoxide-containing two-component polyurethane adhesives |
July 28, 1992 |
| Improved two-component polyurethane adhesives contain an isocyanate and a stabilized epoxide and at least one isocyanate-reactive compound. |
| 5095045 |
Plastics which cure in a series of steps having urethane, urea, siloxane and acrylate groups |
March 10, 1992 |
| A hard, resistant material formed by mixing and curinga) at least one polyfunctional silicopolyether,b) at least one monomer which can be subjected to free-radical curing,c) at least one catalyst for polymerization of the free-radical monomers at high temperature, low temperature or under the in |
| 5084544 |
Cold setting reaction resin mixture and use thereof |
January 28, 1992 |
| The present invention relates to a reaction resin composition comprising a mixture of polyisocyanates, epoxides, and amine catalysts of the formula ##STR1## wherein A is independently alkylene, alkenylene, alkynylene, alkylidene, cycloalkylene, or aralkenylene; m is an integer of fro |
| 5047293 |
Fixed dressings with greatly reduced foaming |
September 10, 1991 |
| Foaming during setting of a polyurethane fixed dressing, e.g. cast for broken arm, is minimized by utilizing as the dressing a polyisocyanate composition comprising:a) at least one organic polyisocyanate,b) at least one catalyst andc) at least one compound of the formula ##STR1## in |
| 5047272 |
Transparent laminates |
September 10, 1991 |
| Novel laminates comprise transparent polymers with a high content of hydroxyl groups as core layer and adhesive layers applied to one or both sides which are tack-free under normal conditions and which can accept an outer layer, thermoplastic polyurethane-polyureas having a substantially |
| 5011972 |
Bisesters of unsaturated carboxylic acids, their production and their use in curable mixtures |
April 30, 1991 |
| The new bisesters of unsaturated carboxylic acids corresponding to the following formula ##STR1## may be used in curable polyester resin mixtures which may in turn be used for the production of moldings. The curable mixtures obtainable from the new bisesters of unsaturated carbox |
| 4988549 |
Multilayered moulded products based on polyamides |
January 29, 1991 |
| This invention relates to the process of applying heat curable reaction resin mixtures of polyisocyanates (a), polyepoxides (b), reaction inhibitors (c), heat activated reaction catalysts (d) and optionally auxiliary agents and additives (e) for the production of multilayered moulded |
| 4945137 |
Binder combinations and a process for the production of flat materials |
July 31, 1990 |
| A binder for a coating composition is a combination of(a) polymers containing intramolecular carboxylic anhydride groups and having an average molecular weight of from 500 to 25,000 and(b) organic compounds containing 4,5-dihydrooxazole groups in a quantity corresponding to an equivalent rat |
| 4482721 |
1,2,4-Triazole-blocked polyisocyanates as cross-linkers for lacquer binders |
November 13, 1984 |
| 1,2,4-Triazole-blocked polyisocyanates are excellent crosslinking agents for polyhydroxyl compounds. Their comparatively high melting point makes these compositions particularly suitable for coatings which are applied by fluidisation dip coating or electrostatic powder spraying. |
| 4357255 |
Process for the preparation of liquid mixtures of compounds having isocyanate groups |
November 2, 1982 |
| Waste polyurethane materials are made re-usable by converting them to liquid mixtures. Such liquid mixtures are made by reacting up to 70 parts by weight of polyurethane with a low-melting polyisocyanate at 100.degree. to 250.degree. C. in the presence of a catalyst. Suitable catalysts |
| 4096101 |
Process for the production of chemically after-cross-linked polyurethane resins |
June 20, 1978 |
| This invention relates to a process for making optionally cellular cross-linked elastomeric polyurethane resins from(a) polyisocyanates,(b) higher molecular weight polyhydroxyl and/or polyamino compounds containing filler particles,(c) chain lengthening agents and, optionally,(d) blowing age |
| 4044171 |
Process for polyaddition products which contain uretdione groups and use in coatings |
August 23, 1977 |
| The present invention teaches a novel polyisocyanate lacquer binder and a method preparing it. The binder is prepared by reacing uretidione containing polyisocyanates optionally mixed with uretdione free diisocyanates with water or with low molecular weight compounds which have two a |
