Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6767950 | Pigmented, weatherable molding compositions Pigmented molding compositions having good weatherability for sheet and bulk molded articles are made by mixing a resin component comprising an unsaturated polyester, a monomer which will react with the polyester and a non-aromatic, thermoplastic polymer; an ultravi... | 07/27/2004 |
| 6288209 | Method to prepare processable polyimides with reactive endogroups using 1,3-bis(3-aminophenoxy)benzene Polyimide copolymers were obtained containing 1,3-bis(3-aminophenoxy)benzene (APB) and other diamines and dianhydrides and terminating with the appropriate amount of reactive endcapper. The reactive endcappers studied include but should not be limited to ... | 09/11/2001 |
| 6160039 | Process for the production of masterbatches containing short fibres or pulps This invention relates to a process for the production of masterbatches which contain short fibres or pulps and which may be used for the production of polymer compositions or rubber compositions.... | 12/12/2000 |
| 6133401 | Method to prepare processable polyimides with reactive endgroups using 1,3-bis (3-aminophenoxy) benzene Polyimide copolymers were obtained containing 1,3-bis(3-aminophenoxy)benzene (APB) and other diamines and dianhydrides and terminating with the appropriate amount of reactive endcapper. The reactive endcappers studied include but should not be limited to ... | 10/17/2000 |
| 5973064 | Colored polyester thermoplastic materials comprised of poly(oxyalkylenated) compounds as colorants and specific surfactants as diluents This invention relates to colored polyester thermoplastics comprised of polymeric colorants having poly(oxyalkylene) moieties and/or anionic dye/quatenary ammonium substantially inorganic salt-free colorant complexes mixed with diluents selected from the ... | 10/26/1999 |
| 5861462 | Method for forming a liquid crystal resin composite The present invention relates to a method for forming the LCP composite having LCP fibers dispersed in the matrix resin even if the LCP content may be smaller than the lower limit of the fiber formable range. The method is characterized in that a resin composi... | 01/19/1999 |
| 5811485 | Two-pack adhesive composition The present invention relates to an adhesive kit comprising two packs and a method of manufacture of an adhesive composition therefrom. The kit comprises, in a first pack a water-continuous polymer emulsion and in a second pack a non-alkali activated inve... | 09/22/1998 |
| 5708127 | Polymerizable monomeric reactants (PMR) type resins The invention relates to a PMR type resin which comprises a mixture of: (a) nadic acid of Formula (Ia) or a derivative thereof ##STR1## (b) a diaminobisimide of Formula (Ib) ##STR2## (c) an aromatic tetracarboxylic acid of Formula (Ic) or a derivativ... | 01/13/1998 |
| 5688590 | High heat resistant molded parts produced by structural reaction injection molding The invention is directed to a process for preparing SRIM molded article. The process broadly requires the use of a fiber reinforcement mat which is placed inside the mold cavity, and then a polyurethane reaction system is injected into the mold. The syst... | 11/18/1997 |
| 5688583 | Adhesive for printed circuit board There are disclosed an adhesive obtained by dispersing a cured amino resin fine powder soluble in acid or oxidizing agent into an uncured heat-resistant resin matrix hardly soluble in acid or oxidizing agent when being subjected to a curing treatment as w... | 11/18/1997 |
| 5644003 | Epoxy resin composition, process for producing the same and resin-sealed semiconductor device An epoxy resin composition which comprises: (a) an epoxy resin having at least two epoxy groups in the molecule, (b) an epoxy resin curing agent, (c) a cure accelerator, (d) an aromatic polyamide pulp and (e) an inorganic filler as the essential component... | 07/01/1997 |
| 5629080 | Thermally bondable fiber for high strength non-woven fabrics Thermobondable fiber of at least one first component of polypropylene having a melt flow rate of 0.5-30, and at least one second component of polypropylene having a melt flow rate of 60-1000.... | 05/13/1997 |
| 5614600 | Fiber-reinforced resin plate and process for producing the same A fiber-reinforced resin plate comprising a fibrous base material and a matrix bonding the fibers contained in the fibrous base material, the matrix being formed by curing a resin composition comprising a highly reactive modified phenolic resin (A) prepar... | 03/25/1997 |
| 5612424 | Fiber-reinforced resin composition A fiber-reinforced resin composition, which comprises: an epoxy resin having at least two epoxy groups in the molecule, a polymerizable unsaturated group-containing epoxy compound of the following general formula [I], ##STR1## wherein R1 is H o... | 03/18/1997 |
| 5591279 | Pneumatic vehicle tire A pneumatic tire having a tread composed of a matrix rubber, a low hardness rubber powder, hollow particulates, and short fibers, and optionally a liquid polymer, wherein the low hardness rubber powder has an average particle size of less than 1000 μm, i... | 01/07/1997 |
| 5543441 | Implants coated with collagen-polymer conjugates Collagen, particularly atelopeptide collagen, exhibits improved handling characteristics when chemically conjugated and/or crosslinked with a synthetic hydrophilic polymer.... | 08/06/1996 |
| 5541238 | Fibers comprising ultrafines uniformly dispersed and deposited thereon Disclosed is a fiber of an organic, inorganic or metallic material or a simple substance wherein ultrafines of an inorganic or metallic material or a simple substance having an average particle diameter of 0.005-1 μm are uniformly dispersed and deposited... | 07/30/1996 |
| 5464902 | Toughening of brittle epoxy resin matrices with functionalized particulate elastomers Relatively brittle epoxy resin systems which may be employed as structural film adhesives and matrix resins for fiber-reinforced prepregs are toughened against impact-induced damage by the addition of minor quantities of functionalized elastomer particles... | 11/07/1995 |
| 5443775 | Process for preparing pigmented thermoplastic polymer compositions and low shrinking thermosetting resin molding composition A process for preparing a pigmented thermoplastic polymer composition which is useful as a low profile additive composition for thermosetting resins comprises the steps of (A) selecting at least one thermoplastic polymer having a refractive index which is... | 08/22/1995 |
| 5439986 | Thermo-curable resin composition, and a method for producing a copper-clad laminate using same A thermo-curable resin composition which contains (a) an aromatic polyamide oligomer having polymerizable unsaturated group(s) at both terminals or within side chain(s), (b) a maleimide compound and (c) an epoxy resin; and a copper foil laminate which com... | 08/08/1995 |
| 5434226 | Epoxy resin toughened with a polyether sulfone and polyarylsulfidesulfone Thermosetting resin systems exhibiting improved performance characteristics when utilized in composite product applications, said resin systems being modified with a polyarylsulfidesulfone dispersed therein and with a polyethersulfone dissolved therein.... | 07/18/1995 |
| 5397610 | Plastic molding having luster and method of molding the same A plastic molding produced by molding a resin composition comprising 98 to 50 parts by weight of a thermoplastic polyester resin (A) and 2 to 50 parts by weight of a resin (B) incompatible with the thermoplastic polyester resin (A), the resin (B) being di... | 03/14/1995 |
| 5350826 | Epoxy resin composition containing a polyaminoamide and a latent curing agent for fiber impregnation An epoxy resin composition for forming prepregs is disclosed which includes an epoxy resin having at least two epoxy groups, a latent curing agent for the epoxy resin in an amount of 0.5-3.0 equivalents per equivalent of the epoxy groups of the epoxy resi... | 09/27/1994 |
| 5326516 | Method of preparing a cured pigmented thermosetting polymer composition exhibiting improved color values and reduced haze This invention relates to a process for preparing a pigmented thermoplastic polymer composition which is useful as a low profile additive composition for thermosetting resins. The process includes the steps of (A) selecting at least on thermoplastic polymer ha... | 07/05/1994 |
| 5283289 | Fiber-reinforced rubber composition and production process thereof and fiber-reinforced elastic product A fiber-reinforced rubber composition capable of providing a vulcanizate having an excellent strength and modulus and a production process thereof. This fiber-reinforced rubber composition includes fine short fibers of thermoplastic polymer having ##... | 02/01/1994 |
| 5242993 | Reduction of acidity of polyesters by melt reaction endcapping with an alkylacetylacetonate A method for the melt reaction of polyesters, particularly polyethylene terephthalate, with an alkylacetylacetonate endcapping agent which reacts with terminal carboxyl groups of the polyester to produce polyesters having reduced acidity and PET products ... | 09/07/1993 |
| 5240773 | Fabric reinforced thermoplastic resins A fabric reinforced thermoplastic composite which is reformable at a temperature less than about 100° C. The thermoplastic comprises about 70 to 95% by weight of polyvinyl chloride and about 5 to 30% by weight of a halogenated polyvinyl chloride. The com... | 08/31/1993 |
| 5094797 | Preparation of pigmented curable polyester molding compounds Pigmented curable polyester molding compounds which cure to give homogeneously colored moldings contain an unsaturated polyester, copolymerizable monomers, a thermoplastic polymer and a color pigment and are prepared by dispersing the pigment in the molte... | 03/10/1992 |
| 5055342 | Fluorinated polymeric composition, fabrication thereof and use thereof Fluorinated polymeric composition exhibiting low dielectric constant and a low coefficient of thermal expansion containing a fluorinated polymeric material and a silica and/or quartz filler having a mean particle size of no greater than 7 microns, and use... | 10/08/1991 |
| 5047453 | Process for preparing moldings by compacting and simultaneously bonding fibrous material Fibrous material, in particular shoddy from synthetic fiber wastes, can be compacted into thermally and acoustically insulating boards and moldings by mixing with a pulverulent adhesive comprising a hot-melt adhesive and a solid epoxy resin/curing agent s... | 09/10/1991 |
| 5043388 | Fiber-reinforced rubber composition and production process thereof and fiber-reinforced elastic product A fiber-reinforced rubber composition capable of providing a vulcanizate having an excellent strength and modulus and a production process thereof. This fiber-reinforced rubber composition includes fine short fibers of thermoplastic polymer having ##... | 08/27/1991 |
| 4703086 | Fiber-reinforced rubber composition and production process thereof and fiber-reinforced elastic product A fiber-reinforced rubber composition capable of providing a vulcanizate having an excellent strength and modulus and a production process thereof. This fiber-reinforced rubber composition includes fine short fibers of thermoplastic polymer having ##... | 10/27/1987 |
| 4612241 | Impact resistant composites with elastomeric fibers A composite consisting essentially of a polymer matrix and thermoplastic elastomeric fibers is disclosed. During preparation, elastomeric fibers are embedded in polymer or polymer precursor under from about 0 tension to tension only sufficient to eliminat... | 09/16/1986 |
| 4574108 | Fiber reinforced composite Fibers and plastic materials reinforced with these fibers which have a diameter that varies along the fiber axis are provided. The fibers increase the strength of the material by reducing fiber pull out from the plastic matrix. The variation in diameter r... | 03/04/1986 |
| 4546128 | Composite material compositions using waste synthetic fiber The present invention provides composite material compositions using waste synthetic fiber released from fiber-related factories or general households. In an embodiment of the present invention, a thermoplastic synthetic resin may be incorporated with pla... | 10/08/1985 |
| 4439561 | Sealant composition and method Disclosed is a composition for stopping leaks which comprises the combination of a fibrillated fiber and a particulate material, such as a seed meal, in a suspension in a liquid medium. A preferred fibrillated fiber comprises the polymer, poly(imino-1,4-p... | 03/27/1984 |
| 4309473 | Non-tacky strand prepreg comprising a resin composition containing a combination of (1) a thermosetting resin and (2) a high molecular weight epoxy resin and a process for forming an article from the same A strand prepreg which comprises (i) a resin composition comprising 100 parts by weight of thermosetting resin having a softening point of 60° C. or less and about 5 to 60 parts by weight of epoxy resin having a number average molecular weight of 5,000 o... | 01/05/1982 |
| 4263184 | Homogeneous predispersed fiber compositions A homogeneous predispersed fiber composition useful for dispersing a fibrous material in a rubber or plastic compound stock, said composition comprising a fibrous material and a rubber or plastic polymer binder, wherein said composition is prepared by mix... | 04/21/1981 |
| 4012342 | Catalyst-containing fibers and the polymerization of olefins thereon The invention relates to polymerizing olefins in the presence of organic fibers and then removing the fibers to obtain hollow polyolefin resins.... | 03/15/1977 |
| 3959209 | Curable solid polyester resins Solid curable polyester resin compositions comprising a filler or fibrous reinforcements impregnated with a solid solution of a crystalline polyester and crosslinking agent therefor are prepared by: A. mixing a liquid crosslinking agent with a solid crystallin... | 05/25/1976 |
