Patents for B29K 79 - Use of other polymers having nitrogen, with or without oxygen or carbon only, in the main chain, as moulding material (409)
03/1994
03/31/1994WO1994006846A1 Melt-processable block copolyesterimide and method for manufacturing it
03/31/1994CA2144989A1 Melt-processable block copolyesterimide and method for manufacturing it
02/1994
02/22/1994US5288529 Liquid crystal polymer film
12/1993
12/01/1993EP0560923A4 Process for fabricating oriented polybenzazole films
11/1993
11/09/1993US5260407 Stretching, pyromellitic acid and 4,4'-bis(3-aminophenoxy) biphenyl
09/1993
09/22/1993EP0560923A1 Process for fabricating oriented polybenzazole films
09/19/1993WO1993015900A1 Consolidation and molding of polybenzazole-containing materials
09/19/1993CA2129522A1 Consolidation and molding of polybenzazole-containing materials
09/16/1993WO1993017760A1 Polyalkyleneimine or polyallylamine coated material
09/15/1993EP0559976A1 Recycling of barrier polystyrene foam scrap
09/15/1993EP0540657A4 Shaped articles containing copolymers of polybenzazoles
09/14/1993US5244617 Consolidation and molding of polybenzazole-containing materials
08/1993
08/17/1993US5237044 Heat resistant
07/1993
07/27/1993US5230955 Thermoplastic resins, polyether sulfone polymers, aircraft
06/1993
06/09/1993EP0545776A1 Moulding matter containing refractory fibres useful in the production of ablative parts, process for its manufacture and its applications
05/1993
05/13/1993WO1993009167A1 Process for preparing a polyimide film with a preselected value for cte
05/12/1993EP0540657A1 Shaped articles containing copolymers of polybenzazoles
03/1993
03/24/1993EP0532953A2 Polyimide precursor solution, process for producing the solution, and moldings and coatings obtained therefrom
03/23/1993US5196500 Tetrapolyimide film containing benzophenone tetracarboxylic dianhydride
03/01/1993CA2077037A1 Polyimide precursor solution, process for producing the solution and moldings and coatings obtained therefrom
01/1993
01/19/1993US5180631 Sheet material and process for producing the same
01/12/1993US5178810 Heating manipulatable sheet-like structure of specified polyimide fibers to temperature in glass transition range, pressing with shaping means to sinter structure
11/1992
11/24/1992US5166308 Condensation of tetracarboxylic acid and aromatic diamine, mixing, casting and extrusion with heating
11/24/1992US5166292 Tetracarboxylic acid and diamine curable to imide films for high strength and heat resistance
11/19/1992EP0477291A4 Liquid crystal polymer film
10/1992
10/20/1992US5156710 Forming intractable and thermoplastic polyimide films on substrate, curing rapidly at low temperature, contacting with foil, applying low degassing pressure, increasing pressure and heating
07/1992
07/07/1992CA1304553C Sintered polybenzimidazole articles and method of manufacture
06/1992
06/24/1992EP0491307A1 Tetrapolyimide film containing benzophenone tetracarboxylic dianhydride
06/18/1992CA2057398A1 Tetrapolyimide film containing benzophenone tetracarboxylic dianhydride
06/17/1992EP0456759A4 Thermal process for stretch-orientation of polyaniline films and fibers
06/09/1992US5120814 Method of producing new flame-retardant thermostable homopolyimides, these homopolyimides, a moulded article obtained therefrom and a fibre prouced from these homopolyimides
06/08/1992WO1992010527A1 Process for fabricating oriented polybenzazole films
06/08/1992CA2097296A1 Process for fabricating oriented polybenzazole films
06/02/1992US5118561 Recycling of barrier polystyrene foam scrap and barrier polystyrene foam containing recycled barrier polystyrene foam scrap
05/1992
05/12/1992US5112425 Manufacture of printed circuit boards from prepregs of reinforcement impregnated with curable resin, copper alkanoate alkali halide
05/06/1992EP0483376A1 Polyimide resin film
05/05/1992US5110279 Injection molding apparatus
04/1992
04/01/1992EP0477291A1 Liquid crystal polymer film
03/1992
03/03/1992CA1296833C Polymethylpentene release sheet
01/1992
01/29/1992EP0468276A1 Resin laminate consisting of aromatic polyether imide and aromatic polyether sulfone
01/28/1992CA1294863C Process for preparation of tooling for composites manufacture
01/22/1992CA2047421A1 Plastic laminate comprising aromatic polyether imide and aromatic polyether sulfone
01/08/1992EP0464371A1 Polyamic acid structures, and methods of fabrication thereof
01/07/1992CA2044573A1 Polyamic acid structures, and methods of fabrication thereof
01/03/1992WO1992000353A1 Shaped articles containing copolymers of polybenzazoles
01/03/1992CA2086555A1 Shaped articles containing copolymers of polybenzazoles
11/1991
11/28/1991WO1991017880A1 Resin film and method of making said film
11/21/1991EP0456759A1 Thermal process for stretch-orientation of polyaniline films and fibers
11/06/1991EP0455208A2 Copolyimide film with improved properties
10/1991
10/31/1991CA2041545A1 Copolyimide film with improved properties
10/16/1991EP0451707A2 Sheet material and process for producing the same
09/1991
09/25/1991EP0447952A2 Fire-proof plastic plate
09/21/1991CA2038188A1 Plastic sheet or plate with flameproofing means
08/1991
08/14/1991EP0441013A1 Polyimide sheet and preparation process of the sheet
08/06/1991US5037587 Melt extrusion, static charging, cooling
06/1991
06/12/1991EP0431636A1 Extruded multi-layer polyimide film and process for producing the same
01/1991
01/23/1991EP0409466A2 Process for the preparation of a polyimide film
01/23/1991EP0409465A2 Preparation process of polyimide film
01/18/1991CA2021293A1 Polyimide film and preparation process of the film
12/1990
12/18/1990US4978742 Polymers prepared from 2-(3-aminophenyl)-2-(4-aminophenyl) hexafluoro propane
12/17/1990WO1990015706A1 Liquid crystal polymer film
11/1990
11/20/1990US4971748 Method for producing a three-dimensionally shaped aromatic imide polymer sheet article
11/14/1990EP0397497A2 Injection molding apparatus
11/07/1990EP0395947A2 High-melting polyimides with improved processability and reduced water absorption
10/1990
10/17/1990EP0393016A2 Flame-retardant high-temperature resistant shaped article based on polyimide fibers
10/17/1990EP0392856A2 Sintered polybenzimidazole/polyaryleneketone articles and method of manufacture
10/17/1990EP0392674A2 A process for the production of a shaped sheet of polyimide
10/13/1990CA2014004A1 Flame-retardant high-temperature resistant shaped article based on polyimide fibers
09/1990
09/19/1990EP0388394A2 A method of producing flame-retardant thermostable homopolyimides
09/19/1990EP0387566A2 Melt impregnation formation of thermoformable thermoplastic/knitted glass cloth composites
09/08/1990CA2010674A1 Melt impregnation formation of thermoformable thermoplastic/knitted glass cloth composites
09/05/1990EP0385303A1 Shaped articles from polyamide-imide polymers having fluorine-containing linking groups
09/04/1990US4954611 Shaped articles from polyamide-imide polymers having fluorine containing linking groups
08/1990
08/27/1990CA2009082A1 Shaped articles from polyamide-imide polymers having fluorine-containing linking groups
08/15/1990CA2009383A1 Method of producing new flame-retardant thermostable homopolyimides, these homopolyimides, a moulded article obtained therefrom and a fibre produced from these homopolyimides
08/09/1990WO1990008640A1 Thermal process for stretch-orientation of polyaniline films and fibers
07/1990
07/31/1990US4944824 Process for preparation of tooling of carbon fiber reinforced polyimide for composites manufacture
07/17/1990US4942092 Biphenyltetracarboxylic acid, aromatic diamine, not less than 50% 4,4*-diaminodiphenyl ether, porosity
07/17/1990US4942007 Continuous preparation of shaped long articles of polyimide
06/1990
06/26/1990US4937278 Polymethylpentene release sheet
06/06/1990EP0371907A1 Method for making a fiber reinforced crosslinked polyimide matrix composite article
04/1990
04/20/1990CA2000921A1 Polyimide sheet and preparation process of the sheet
04/10/1990US4915894 Aromatic polyimide film and process for the preparation of the same
04/04/1990EP0361415A1 Polymers prepared from 2-(3-aminophenyl)-2-(4-aminophenyl) hexafluoro propane
04/04/1990EP0361331A2 Process for preparation of tooling for composites manufacture
04/03/1990US4913867 Concurrent heating, applying stresses
03/1990
03/27/1990US4912176 Sintered polybenzimidazole/polyaryleneketone articles and method of manufacture
03/13/1990US4908430 From 2,2-bis-phthalic acid anhydro-(4)-propane and 2,2-bis-(4-aminophenoxyphenyl)-propane
10/1989
10/25/1989EP0338736A2 Shaped aromatic imide polymer article and method of producing same
10/11/1989EP0336704A2 Polymethylpentene release sheet
09/1989
09/26/1989US4869861 Process for producing a shaped and drawn aromatic imide polymer article
03/1989
03/21/1989US4814530 Molded articles
11/1988
11/17/1988EP0290909A1 Use of special polyimides as molded foils and coating material
10/1988
10/25/1988US4780484 Molding material and its use as construction and repair material
08/1988
08/03/1988EP0276726A2 Moulding composition and its use
03/1988
03/22/1988CA1234268A1 Process for producing formed articles of aromatic polyamide-imide resin
01/1987
01/27/1987US4639344 Process for producing formed articles of aromatic polyamide-imide resin
01/27/1987US4639343 Forming techniques for shaping polyimide foams
11/1986
11/26/1986EP0202379A2 Method of shaping polyimide foam sheets
04/1985
04/17/1985EP0137111A1 Process for producing formed articles of aromatic polyamide-imide resin
1 2 3 4 5