Patents for D01F 9 - Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments (10,099) |
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07/04/1990 | EP0375974A2 Chlorine-containing polysubstituted silazane polymers, method for their preparation, and their use for preparing silicon nitride-containing ceramic materials |
07/04/1990 | EP0375973A2 Polymeric chlorosilazanes, process for preparing them and process for making ceramic materials containing silicon nitride |
07/04/1990 | EP0375972A2 Polymeric hydridochlorosilazanes, method for preparing these and use of these polymers for preparing ceramic materials containing silicon nitride |
07/03/1990 | US4939225 Polymeric hydridosilazanes, processes for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof |
07/03/1990 | US4939222 Boron/nitrogen preceramic polymers and boron nitride ceramic materials produced therefrom |
07/03/1990 | US4938941 Partially carbonized polymeric fibrous material having an electrical resistivity of enhanced stability |
06/28/1990 | WO1990007023A1 Carbon fibrils and a catalytic vapor growth method for producing carbon fibrils |
06/28/1990 | WO1990006969A1 Dispersed systems and method of manufacture |
06/28/1990 | EP0353296A4 Carbon fibrils. |
06/27/1990 | EP0375397A2 Process for producing graphite whiskers |
06/27/1990 | EP0375158A2 Improved zirconium oxide fibers and process for their preparation |
06/27/1990 | EP0374925A2 High density graphite fiber and method of manufacture thereof |
06/27/1990 | CN1043322A Chloro-silazanpolymers, process for producing same, ceramic material coutaining silicon nitride and process for preparaing thereof |
06/26/1990 | US4937212 Zirconium oxide fibers and process for their preparation |
06/26/1990 | CA1270611A1 Stabilization of pitch fiber |
06/20/1990 | CN1043142A Polymeric hydridochlorsilazane, process of preparation, ceramic material-containing silicon nitride from them and preparation thereof |
06/20/1990 | CN1043141A Polymers of polysubstitution silizane containing chlorine, process of preparation thereof and ceramic materials containing silicon nitride from them and its preparation |
06/20/1990 | CN1043140A Polymeric ethylenbridged chlorsilazane, process of preparation thereof, ceramic material containing azane from them and preparation of ceramic material containing silicon nitride |
06/20/1990 | CN1043139A Polymeric chlorsilazane, process of preparation, ceramic materials containing silicon nitride from them and preparation thereof |
06/20/1990 | CN1008444B Method for preparing the intermediate phase bituminous |
06/19/1990 | US4935180 Formation of melt-spun acrylic fibers possessing a highly uniform internal structure which are particularly suited for thermal conversion to quality carbon fibers |
06/19/1990 | CA2003559A1 Zirconium oxide fibers and process for their preparation |
06/13/1990 | EP0373007A1 Multidirectional ceramic fibre textures based on silicon compounds, their manufacture and composites thus reinforced |
06/13/1990 | EP0372931A2 Continuous, ultrahigh modulus carbon fiber |
06/13/1990 | EP0372379A2 Chlorinated silizane polymers, process for their preparation, process for the preparation of silicon nitride-containing ceramic materials |
06/13/1990 | EP0372378A2 Oligomeric silazanes and methods for their preparation |
06/13/1990 | EP0372377A2 Polymeric ethylene-bridged chlorosilazanes, process for their preparation and preparation of silicon nitride-containing ceramic materials obtainable therefrom |
06/12/1990 | US4933128 Formation of melt-spun acrylic fibers which are well suited for thermal conversion to high strength carbon fibers |
06/12/1990 | US4932404 Absorbable surgical suture |
06/06/1990 | EP0371846A1 Process for the preparation of silicon carbonitrides from polycarbosilanes |
06/05/1990 | US4931316 Preparation of interstitial titanium ceramic fibers |
06/05/1990 | US4931233 Method for adding additives during manufacture of carbon fiber |
06/05/1990 | US4931162 Process for producing clean distillate pitch and/or mesophase pitch for use in the production of carbon filters |
06/05/1990 | US4931100 Boron-containing preceramic blend and fiber formed therefrom |
06/03/1990 | CA2004405A1 Polymeric chlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture |
06/03/1990 | CA2004404A1 Chlorine-containing silazane polymers, process for their preparation, ceramic materials containing silicon nitride which can be prepared from them, and their preparation |
06/03/1990 | CA2004401A1 Polysubstituted chlorine-containing silazane, polymers, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture |
06/03/1990 | CA2004400A1 Polymeric ethylene-bridged chlorosilazanes, process for their preparation, ceramic materials which can be prepared from them containing silicon nitride, and their preparation |
06/03/1990 | CA2004399A1 Polymeric hydridochlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture |
06/03/1990 | CA2004395A1 Oligomeric silazanes and process for their preparation |
05/30/1990 | EP0370878A1 Process for the preparation of silicon nitride from polycarbosilanes |
05/23/1990 | EP0369787A2 Membrane for separation of water-alcohol mixed liquid and process for preparation thereof |
05/22/1990 | US4927622 Zirconia fibers |
05/22/1990 | US4927620 From pitch |
05/22/1990 | CA1269283A1 Non-organic/polymer fiber composite, method of making same and use including dimensionally stable separator |
05/17/1990 | DE3837358A1 Process for the production of finely divided or fibrous precursors of activated carbon from pitch-like bitumenous substances and substances containing nitrogen or nitrogen and heavy metal, from which catalytically active activated carbons can be produced |
05/16/1990 | EP0368688A1 Polymers containing nitrogen and boron, their preparation and their use as boron nitride precursors |
05/16/1990 | EP0368370A1 Refractory fibers of amorphous alumina and organic residue |
05/15/1990 | US4925604 Process for preparing a carbon fiber of high strength |
05/15/1990 | US4925547 Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers |
05/15/1990 | US4925539 Metal fibers obtained by bundled drawing |
05/09/1990 | CN1041980A Improvements in formation of melt-spun acrylic fibers possessing highly uniform internal structure which are particularly suited for thermal convertion to quality carbon fibers |
05/09/1990 | CN1041959A Method of controlled catalytic polymerization of composition polysilazane |
05/09/1990 | CN1041958A Method of controlled catalytic polymerization of composition polysilazane |
05/08/1990 | US4923692 Process for producing pitch-type carbon fibers |
05/08/1990 | US4923648 Melts spinning pitch material through spinning nozzles, followed by infusible treatment and carbonization |
05/08/1990 | US4923637 High conductivity carbon fiber |
05/08/1990 | CA1268723A1 Pressure settling of mesophase |
05/02/1990 | EP0366539A2 Pitch-based activated carbon fibers and process for preparing the same |
05/01/1990 | US4921686 Method of carbonizing and activating fiber materials |
05/01/1990 | US4921657 Method for densification of amorphous ceramic material |
05/01/1990 | US4921656 Formation of melt-spun acrylic fibers which are particularly suited for thermal conversion to high strength carbon fibers |
04/25/1990 | CN1041604A Synthetic method of polymers of boracium and nitrogen based on boron nitride precursor and products obtained |
04/25/1990 | CN1007740B Multi-component polyacrylonitrile raw filment for carbon fiber |
04/24/1990 | US4919871 Forming glass fibers from sol-gel compositions |
04/24/1990 | US4919860 Manufacture of porous carbon membranes |
04/18/1990 | EP0364339A1 Process for controlling the catalytic polymerization of a polysilazane composition |
04/18/1990 | EP0364338A1 Process for controlling the catalytic polymerisation of a polysilazane composition |
04/18/1990 | EP0364323A2 Process for the preparation of polymers containing boron and nitrogen as precursors of boron nitride, and products obtained |
04/18/1990 | EP0364244A1 Improved process for the production of mesophase pitch |
04/18/1990 | CA2000858A1 Carbon fibers having high strength and high modulus of elasticity and polymer composition for their production |
04/17/1990 | US4917866 Oxidizing silicon powder to monoxide, carbonizing in reducing gas; continuous, high speed |
04/17/1990 | US4917836 Process for producing high-strength, high-modulus carbon fibers |
04/11/1990 | EP0363054A2 Silicon carbide fibre and production thereof |
04/11/1990 | EP0362898A2 Apparatus and method for separating gases |
04/11/1990 | CN1041124A Apparatus for manufacture of metal fiber from spherical metal powder particles |
04/10/1990 | US4916093 Method of producing continuous inorganic fiber consisting of Si, N and O |
04/10/1990 | US4915984 Heat treating nitrogen heterocycle polymer before graphitizing |
04/10/1990 | US4915926 Balanced ultra-high modulus and high tensile strength carbon fibers |
04/06/1990 | CA2000221A1 Silicon carbide fibre and production thereof |
04/05/1990 | WO1990003458A1 Improvements in and relating to fibrous activated carbons |
04/03/1990 | US4913889 High strength high modulus carbon fibers |
03/27/1990 | CA1267164A1 Microcrystalline transition metal oxide spinel articles |
03/22/1990 | WO1990002618A1 Device for making metal filaments from spherical particles of metal powder |
03/21/1990 | EP0236675B1 Process for producing modified pitch and its use |
03/21/1990 | CN1040638A Improvements in formation of melt-spun acrylic fibers which are particularly suited for thermal conversion to high strength carbon fibers |
03/21/1990 | CN1040608A Process for producing pitch for manufacture of high-performance carbon fibers together with pitch for manufacture of general-purpose carbon fibers |
03/20/1990 | CA1266938A1 Process for preparing acrylonitrile-based filaments for carbon fibers free of agglutination |
03/15/1990 | DE3829986A1 Process for increasing the mesophase content in pitch |
03/14/1990 | EP0358086A1 Process for increasing the amount of mesophase in pitch |
03/14/1990 | EP0358048A1 Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers |
03/13/1990 | US4908340 Non-oxide sintered ceramic fibers |
03/08/1990 | WO1990002042A1 Fluorinated, carbonaceous articles |
03/08/1990 | WO1989012655A3 A process for making polymeric products of high tensile strength |
03/07/1990 | EP0357492A1 Process for the thermal treatment of ceramic fibres based on silicon and carbon, and like fibres having a layered structure |
03/07/1990 | EP0196317B1 Non-organic/polymer fiber composite, method of making same and use including dimensionally stable separator |
03/06/1990 | US4906763 Boron nitride preceramic polymers |
03/06/1990 | US4906426 Process for producing an alumina-silica-chromia ternary fiber |
02/28/1990 | EP0355932A2 Fluorinated, carbonaceous articles |
02/28/1990 | EP0355764A2 Improvements in the formation of melt-spun acrylic fibers |