Assignee
ELASTOGRAN GMBH
14 granted patents·322 citations·filing 1975–1997
Top patents by PatentIndex Score
14 records- 0189US5837760ASelf-extinguishing thermoplastic polyurethanes and their preparationELASTOGRAN GMBH·Filed 1997·Granted Nov 17, 1998·63 cites·16 claims
- 0288US5630979AInscription of moldingsELASTOGRAN GMBH·Filed 1995·Granted May 20, 1997·53 cites·7 claims
- 0383US4053283AMixing device for mixing together multi-component plastics materialsELASTOGRAN GMBH·Filed 1976·Granted Oct 11, 1977·39 cites·4 claims
- 0478US4126399AMethod and apparatus for preparing multi-component plastic materials, particularly polyurethane, with solid material additives or at least one highly viscous componentELASTOGRAN GMBH·Filed 1977·Granted Nov 21, 1978·30 cites·6 claims
- 0574US4090262AMixing and proportioning apparatus for multi-component plastics materialsELASTOGRAN GMBH·Filed 1976·Granted May 16, 1978·25 cites·2 claims
- 0666US4436869AProduction of closed-cell polyurethane moldings having a densified surface zoneELASTOGRAN GMBH·Filed 1982·Granted Mar 13, 1984·17 cites·7 claims
- 0765US4344919AProcess and apparatus for the counter-current injection-mixing of two or more fluid plastic components which react with one anotherELASTOGRAN GMBH·Filed 1980·Granted Aug 17, 1982·22 cites·6 claims
- 0863US3964731AMixing apparatus for multi-component plastics, particularly polyurethaneELASTOGRAN GMBH·Filed 1975·Granted Jun 22, 1976·15 cites·4 claims
- 0962US5834529APressurized, blowing agent-containing isocyanate semiprepolymer mixtures based on lignin-polyether polyols and their use for producing polyurethane foamsELASTOGRAN GMBH·Filed 1995·Granted Nov 10, 1998·17 cites·12 claims
- 1060US4279517AMixing apparatus for chemically reacting fluid components, particularly polyurethane-forming componentsELASTOGRAN GMBH·Filed 1979·Granted Jul 21, 1981·16 cites·8 claims
- 1149US4012025AMold for plastics, particularly multi-component plastics injection mold having blind channelELASTOGRAN GMBH·Filed 1975·Granted Mar 15, 1977·13 cites·3 claims
- 1243US5670554AProduction of CFC-free polyurethane rigid foams having a reduced thermal conductivity and their useELASTOGRAN GMBH·Filed 1995·Granted Sep 23, 1997·6 cites·10 claims
- 1315US4755250AMethod for the production of rigid foam sheetsELASTOGRAN GMBH·Filed 1985·Granted Jul 5, 1988·3 cites·1 claims
- 1413US5386972ASpring arrangement for a wheelchairELASTOGRAN GMBH·Filed 1993·Granted Feb 7, 1995·3 cites·3 claims
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