Patents for C08J 9 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (41,910) |
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05/15/1991 | EP0426896A1 Porous composite sheet and process for producing the same |
05/15/1991 | CN1051364A Process for removing chloroprene dimers from polychloroprene |
05/15/1991 | CA2045182A1 Process for making flexible polyurethane foam |
05/14/1991 | WO1991007457A2 Stabilisation of polyurethane/porous expanded ptfe composites |
05/14/1991 | US5015843 Fiber optic chemical sensors based on polymer swelling |
05/14/1991 | US5015668 Rubber composition containing a deodorizing component |
05/14/1991 | US5015667 Crosslinking; dimensional stability |
05/14/1991 | US5015576 Dissolving a water soluble matrix, mixing a water insoluble liquid cavity generating compound, forming drops, dispersion and solidification |
05/14/1991 | US5015522 Multicomponent fibers, films and foams |
05/14/1991 | US5015380 Microporous support layer with interfacially polymerized copolyamide membrane thereon |
05/11/1991 | CA2028735A1 Low boiling point azeotropic fluoroalcane mixture and its uses |
05/08/1991 | EP0426372A1 Controlling pyrolysis rate of plastic foam molding |
05/08/1991 | EP0426346A2 Method for producing polyolefin blends and moulded articles therefrom |
05/08/1991 | EP0426023A1 Process for removing chloroprene dimers from polychloroprene |
05/08/1991 | EP0425992A2 Process for producing expandable styrene polymerizates |
05/08/1991 | EP0425973A2 Expandable styrene polymerisate and aromatic-proof foam prepared therefrom |
05/08/1991 | EP0425886A2 Expanding thermoplastic resin beads with very high frequency energy |
05/08/1991 | EP0425695A1 Continuous sheet of electron beam crosslinked foam |
05/07/1991 | CA1283993C Polysiloxane-polyoxyalkylene compositions for polyurethane foam manufacture |
05/07/1991 | CA1283765C Process for preparing polyurethane foams having zones of differing hardness |
05/04/1991 | CA2033435A1 Expandable styrene polymers, and aromatic-resistant foams produced therefrom |
05/04/1991 | CA2029208A1 Preparation of expandable styrene polymers |
05/02/1991 | EP0425164A1 Silicone foams |
05/02/1991 | EP0424613A1 Process for preparing polyurethane foams |
05/02/1991 | EP0424544A1 Method of producing rigid foam |
05/02/1991 | EP0424539A1 Expanded heat-insulating material |
05/02/1991 | DE3936227A1 Polyurethane foam prepn. |
04/30/1991 | US5011866 Insulating alkenyl aromatic polymer foam |
04/30/1991 | US5011865 Reduction of silicone foam density using buffers |
04/30/1991 | US5011864 Water absorbent latex polymer foams containing chitosan (chitin) |
04/30/1991 | US5011863 In presence of polyethylene wax and nonionic surfactant |
04/30/1991 | US5011637 Preparing cellulose ester membranes for gas separation |
04/30/1991 | US5011558 Method of improving foam fire resistance through the introduction of inorganic particles thereinto |
04/30/1991 | CA1283749C Composition for preparing inorganic light weight foam, and process of preparing inorganic light weight foam |
04/24/1991 | EP0424224A1 Nadimide resin based expanded materials |
04/24/1991 | EP0424164A2 Process and apparatus for preparing a polymer-based foam |
04/24/1991 | EP0423594A2 Process for the preparation of moulded articles from polyurethane foams |
04/24/1991 | EP0423249A1 Extrusion of hollow fibre membranes. |
04/24/1991 | EP0381742A4 Receptor mediated endocytosis type mri contrast agents |
04/24/1991 | EP0185055B1 Method of making a microporous article |
04/23/1991 | US5010164 Process for forming urea-formaldehyde resin and use |
04/23/1991 | US5010117 Flexible polyurethane foams prepared using low unsaturation polyether polyols |
04/23/1991 | US5010115 Silicone foams |
04/23/1991 | US5010114 Microsuspension polymerization |
04/23/1991 | US5010112 Method and apparatus for improving the insulating properties of closed cell foam |
04/23/1991 | US5009824 Process for preparing an asymmetrical macroporous membrane polymer |
04/23/1991 | US5009810 Mixture of polycarboxylic acid and inorganic carbonate surface treated with silane coupling agent, monoglycerides or stearic acid; foaming polymers |
04/23/1991 | US5009809 Surface treated mixture of a polycarboxylic acid and magnesium carbonate to prevent water absorption |
04/23/1991 | CA1283498C Low density porous elastic cross-linked polymeric materials and theirpreparation |
04/21/1991 | CA2027670A1 Process for the preparation of molded polyurethane foams and the molded foams obtained by this process |
04/18/1991 | WO1991004786A1 Method of providing a foam barrier between a substrate and the atmosphere compositions therefor, and a process for mixing viscous foaming compositions with water without causing foaming of the mixture |
04/18/1991 | CA2027888A1 Expanded materials made from nadimide resin |
04/17/1991 | EP0422850A2 Method for enhancing thermal expandability of direct-injection foams |
04/17/1991 | EP0422811A2 Process for producing a flexible polyurethane foam |
04/17/1991 | EP0422797A1 Fire retardant compositions |
04/17/1991 | EP0422471A2 Process for the preparation of flexible polyurethane foams |
04/17/1991 | EP0422247A1 Polyol composition and method of producing rigid polyurethane foam therefrom |
04/17/1991 | EP0408688A4 Porous membranes |
04/16/1991 | US5008304 Release particles suspended within adhesive have hydrophobic coating for nondestructive removal |
04/16/1991 | US5008298 Expandable thermoplastic resin beads |
04/16/1991 | US5008297 Low and high molecular weight resoles; adhesion, fire resistant |
04/16/1991 | US5007929 Open-cell, silicone-elastomer medical implant |
04/16/1991 | US5007643 Fiber-reinforced outer shell, matrix resin foam with glass microballoons as core |
04/16/1991 | CA1283051C Porous bioabsorbable polyesters |
04/13/1991 | CA2026033A1 Process for the preparation of heat curable flexible molded polyurethane foams |
04/11/1991 | CA2027002A1 Method for enhancing thermal expandability of direct-injection foams |
04/11/1991 | CA2000480A1 Intumescent heat-and fire- resistant composition and substrate coated therewith |
04/10/1991 | EP0421480A1 Polyester polyurethane foam for medical support pads |
04/10/1991 | EP0421269A2 Process for the preparation of rigid polyurethane foams with low heat-conductivity and their use |
04/10/1991 | EP0421222A2 Foam laminates which include ASTM E-84 Class 1 rated foams |
04/10/1991 | EP0421220A2 Isocyanate reactive mixture and the use thereof in the manufacture of flexible polyurethane foams |
04/09/1991 | US5006569 Density reduction in flexible polyurethane foams |
04/09/1991 | US5006568 Foaming a thermoplastic addition polymer with a mixture of 1,1,1,2 tetrafluoroethane and other blowing agents; shrinkage inhibition |
04/09/1991 | US5006567 Process for foaming polymer compositions with hydrazone compounds and compositions associated therewith |
04/09/1991 | US5006566 Extrusion with carbon dioxide blowing agent |
04/09/1991 | US5006565 Anti-clumping agents for expandable vinylaromatic-acrylonitrile polymeric materials |
04/09/1991 | US5006564 Impregnating with mixture of cross linkable elastomer latex, zinc salt of metaboric or polyboric acid, a cross linking agent |
04/09/1991 | US5006187 Plugged microporous film |
04/09/1991 | CA1282900C Polyurethane foam-fiber composites |
04/09/1991 | CA1282565C Process for surface modifying a microporous membrane |
04/06/1991 | CA2000281A1 Aromatics-non-aromatics separation by permeation through thermally crosslinked nitrile rubber membranes |
04/04/1991 | DE3931917A1 Pastenfoermige aufschaeumbare zusammensetzung auf basis von vinylchloridcopolymeren, weichmachern und festen treibmitteln und verfahren zur herstellung und verwendung dieser zusammensetzung Pastenfoermige foamable composition based on vinyl chloride copolymers, plasticizers and solid propellants and methods of making and using this composition |
04/04/1991 | DE3931749A1 Binder for absorbing hydrocarbon(s) etc. from gases, pastes, etc. - consists of particles of plastic foam, made using only mixt. of oxygen and nitrogen as blowing agent |
04/04/1991 | CA2026449A1 Process for producing flexible polyurethane foam |
04/03/1991 | EP0420515A1 Water-absorbent, high capacity polyurethane foams |
04/03/1991 | EP0420514A1 Packaging material containing inherently antistatic polymeric foam and method for use thereof |
04/03/1991 | EP0420423A2 Expanded powder coating composition, method of coating a substrate with heat-insulating foam and composite material obtained thereby |
04/03/1991 | EP0420273A2 Flexible polyurethane foams and process for preparing the same |
04/03/1991 | EP0420272A2 Process for the manufacture of moulded articles of polyurethane foam and articles obtained thereby |
04/03/1991 | EP0420242A2 An impact resistant polyurethane foam |
04/03/1991 | EP0419966A2 Heat resistant expansible styrene polymer with high expansibility |
04/03/1991 | EP0419528A1 Microporous films |
04/03/1991 | EP0225321B1 Process for the preparation of low k-factor closed cell phenol-aldehyde foam |
04/02/1991 | US5004760 Biocidal foams |
04/02/1991 | US5004643 Flexible, waterproof,porous; applying under pressure curable polymer |
03/30/1991 | WO1991004796A1 Membrane-forming foam composition and method |
03/30/1991 | CA2026550A1 Flexible polyurethane foams based on high equivalent weight isocyanate prepolymers |
03/30/1991 | CA2026426A1 Procedure for the preparation of moulded bodies in polyurethane foams and moulded bodies thus obtained |
03/28/1991 | DE3931139A1 Plugging of pores in civil engineering appts. - by injecting elastic foam quenched with thermo-curable reactive system under pressure and then hardening |
03/27/1991 | EP0419114A2 Novel chemical blowing agent |