...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7278369 | Temperature indicator using thermochromic materials A temperature indicator for a rubber article comprises a thermochromic material, wherein the thermochromic material is a component of a rubber article selected from the group consisting of tires, belts and hoses. A rubber article containing a temperature indicator i... | 10/09/2007 |
| 6740699 | Method for obtaining a stabilized photochromic latex, latex obtained, and application to ophthalmic optics The invention relates to methods for obtaining the photochromic latex comprising the polymerization in aqueous emulsion of an initial polymerizable mixture, comprising one or more monomers polymerizable by free-radical mechanism and one or more photochromic compound... | 05/25/2004 |
| 6168782 | Elastomeric silicone containing an active ingredient Elastomeric silicones, especially elastomeric silicone polyethers, are prepared by combining and reacting (A) an .tbd.Si--H containing polysiloxane, (B) a mono-alkenyl polyether, (C) an active ingredient such as a vitamin, antimicrobial agent, sunburn pre... | 01/02/2001 |
| 5945462 | Temporary protective coatings for precision surfaces The present invention relates to an aqueous-based coating composition for forming strippable, protective coating for protecting surfaces, such as glass, metal, ceramic, plastic or other materials of construction. More specifically, the compositions and co... | 08/31/1999 |
| 5889108 | Thickening solvents with elastomeric silicone polyethers Low molecular weight siloxane fluids are thickened by silicone elastomers. The silicone elastomers are made by combining in one pot an .tbd.Si--H containing siloxane, a mono-alkenyl polyether, an alpha, omega-diene, and a low molecular weight siloxane flu... | 03/30/1999 |
| 5852107 | Internal mold release compositions An internal mold release system is provided which comprises (a) a polysiloxane compound; and (b) an amine salt of a carboxylic acid.... | 12/22/1998 |
| 5847036 | (Meth)acrylic molding material and a production process thereof The present invention provides a (meth)acrylic molding material comprising (A) a (meth)acrylic polymer obtained by polymerization of monomer components essentially containing a monomer having (a) carboxyl group(s) and an alkyl (meth)acrylate monomer, and ... | 12/08/1998 |
| 5824737 | Process for the preparation of aqueous polymer dispersions, aqueous polymer dispersions prepared by this process and the use of these polymer dispersions The invention relates to the use of a mixture of (a1) a naturally occurring, zwitterionic phosphatide or a mixture of naturally occurring zwitterionic phosphatides and (a2) cholic acid and/or a salt of cholic acid and/or deoxycholic acid and/or a salt of deoxy... | 10/20/1998 |
| 5783652 | Reactivity improvement of urethane prepolymers of allophanate-modified diphenylmethane diisocyanates This invention relates to mixtures of urethane prepolymers of allophanate-modified diphenylmethane diisocyanates with epoxides. The addition of the epoxide increases the reactivity of these prepolymers. It is now possible to form polyurethanes from these ... | 07/21/1998 |
| 5686526 | Process of making molded polyurethane articles The invention provides polyurethane components and compositions capable of providing internal mold release properties in SRIM applications. The polyol composition of the invention has an isocyanate reactive polyol (A) having a number average molecular wei... | 11/11/1997 |
| 5502096 | Room temperature quick curable organopolysiloxane composition A room temperature curable rubber composition of a condensation curing type that comprises as a base polymer a diorganopolysiloxane or a polyoxyalkylene in which both ends of the molecular chain are blocked with a hydrolyzable silyl group, and a carbonyl ... | 03/26/1996 |
| 5486567 | Primer compositions This invention provides a primer composition comprising (A) a polyorganosiloxane resin containing at least 0.01 mole of hydroxyl groups per 100 g of the resin represented by the average composition formula: (R1)a SiO.sub.(4-a)/2 wher... | 01/23/1996 |
| 5438094 | Adhesive silicone compositions An adhesive silicone composition comprising (A) an alkenyl group-containing organopolysiloxane, (B) an organohydrogen-polysiloxane having at least three hydrogen atoms each directly bonded to a silicon atom in a molecule, (C) a compound having at least on... | 08/01/1995 |
| 5422414 | Modified polyurea-polyurethane systems endowed with improved processability This invention relates to a polyurea-imide RIM composition, molded articles of a polyurea-imide RIM composition, and a method of forming a polyurea-imide molded article.... | 06/06/1995 |
| 5367018 | Odor free, air dry, decorative latex paints An aqueous ambient dry paint coating based on vinyl acetate matrix polymer containing a chlorinated hydrocarbon modifier selected from a chlorinated hydrocarbon having a Tg below -20° C. and a number average molecular weight between 150 and 5,000, where ... | 11/22/1994 |
| 5346948 | Odor free, air dry, decorative latex paints An aqueous ambient dry paint coating based on vinyl acetate matrix polymer containing a chlorinated hydrocarbon modifier selected from a chlorinated hydrocarbon having a Tg below -20° C. and a number average molecular weight between 150 and 5,000, where ... | 09/13/1994 |
| 5104923 | Binders for imparting high wet strength to nonwovens A non-polymerizable polycarboxylate imparts greater wet strength to nonwovens bound by an emulsion polymer containing a polymerizable cross-linker.... | 04/14/1992 |
| 4894412 | Process for preparing self-crosslinkable aminosiloxane emulsion A process for preparing a self-crosslinkable aminosiloxane emulsion, comprising: dispersing by emulsification in water in the presence of a cationic surface active agent and a nonionic surface active agent: (A) a specific organosilicon compound that may have a... | 01/16/1990 |
| 4772652 | Copolyester and polyester resin composition comprising said copolyester The present invention relates to a polyethylene terephthalate based copolyester modified by aliphatic dicarboxylic acid containing not less than 9 carbon atoms and poly(tetramethylene oxide)glycol, and to a polyester resin composition comprising said copo... | 09/20/1988 |
| 4742112 | Ricinoleate modified hydrocarbon polyols Polyol mixtures having about 10 to 60 weight percent of a ricinoleate compound and 90 to 40 weight percent of a C2 -C6 hydrocarbon polymer having at least one hydroxyl group. Polyurethane compositions comprising the reaction product ... | 05/03/1988 |
| 4737543 | Citric acid derivatives as emulsifiers for emulsion polymerization Process for the preparation of polymer dispersions with particle diameters of 50 to 1000 nm, wherein there are employed, as emulsifiers for the emulsion polymerization citric acid derivatives of the general formula (I) ##STR1## in which, independentl... | 04/12/1988 |
| 4708971 | Bicyclic amide acetal/polyisocyanate polymers The process for preparing polyurethanes by the reaction of a bicyclic amide acetal and a polyisocyanate in the presence of a plasticizer such as dioctyl phthalate and a polyurethane catalyst such as stannous octoate is described.... | 11/24/1987 |
| 4678816 | Mould material binding agent system which cold-hardens with formation of polyurethane This invention relates to a mould material binding agent system for the manufacture of foundry mould parts. This binding agent system contains, as components, a solution of a phenol-containing polyol having at least two OH-groups in the molecule and a pol... | 07/07/1987 |
| 4618630 | Organic polymer composition containing an antistatic agent comprising a nonvolatile ionizable metal salt and a salt or ester of a carboxylic acid An antistatic additive for polymers, particularly polyurethanes is disclosed comprising an ionizable metal salt and an enhancer comprising a non-ionizable salt or ester of an organic acid.... | 10/21/1986 |
| 4581398 | Hydrolysis-resistant thermoplastic molding composition comprising high molecular weight polybutylene terephthalatepolyester and a dicarboxylic acid salt Hydrolysis-resistant, thermoplastic molding compositions are made from high-molecular weight, linear polybutylene terephthalate and 0.1-10 mole %, based on the amount of the dicarboxylic acid component of the polyester, of a salt of Formula (A) wherein M ... | 04/08/1986 |
| 4530989 | Room temperature stable organopolysiloxane compositions Room temperature stable organopolysiloxane compositions containing organosilicon compounds having Si-bonded hydrogen atoms and aliphatic multiple bonds, a platinum catalyst which promotes the addition of Si-bonded hydrogen atoms to the aliphatic multiple ... | 07/23/1985 |
| 4495329 | Phenolic resin compounds A phenol-aldehyde resole resin is disclosed which is produced in the presence of a plasticizing amount of a phenolic ester reaction product of an unsaturated fatty acid with a phenol. These compositions are characterized by improved flexibility and moistu... | 01/22/1985 |
| 4182700 | Elastomeric polyurethane film containing dispersed discrete aggregates of liquid crystal and method of making the same Polyurethane elastomer films containing dispersed discrete aggregates of liquid crystals can be produced with improved color response. The liquid crystal aggregates are dispersed in uncured polyurethane elastomer precursors which are cured as a film. Afte... | 01/08/1980 |
| 4138419 | Cyclopentadiene derivative A novel cyclopentadiene derivative of the general formula: ##STR1## wherein R1 is hydrogen, a mono- to tetra-hydric alcohol moiety having 1 to 12 carbon atoms, a metal of Groups Ia, IIa and IIb of the Periodic Table, an ammonium group or a... | 02/06/1979 |
| 4110293 | Process for stabilizing latex and stable latices produced thereby Latex is stabilized by the addition of small amounts of salts of maleic anhydride/alpha-methylstyrene adduct and maleic anhydride/alpha-methylstyrene dimer adduct. The adduct salt is incorporated into the emulsifier solution used in the emulsion poly... | 08/29/1978 |
| 4089835 | Stable polyurethane dispersions and process for production thereof The instant invention is directed to stable dispersions and the process of their manufacture. The stable dispersions of the instant invention comprise polyureas and/or polyhydrazo-dicarbonamides as the disperse phase in an hydroxyl group containing materi... | 05/16/1978 |
| 4067834 | Rapid setting polyurethanes from diols and polyfunctional isocyanates Mixtures comprising a low molecular weight diol, a liquid modifier compound having a boiling point above about 150° C, such as a fatty acid or fatty oil, a polyisocyanate having a functionality of at least about 2.5 and an organotin catalyst instantly se... | 01/10/1978 |
| 4048147 | Carboxylic acid of cyclopentadiene derivative, salt thereof, or ester thereof and process for producing these compositions A novel compound represented by the formula, ##STR1## WHEREIN R is a hydrogen or an alkyl group having 1 to 3 carbon atoms, said four R's being the same or different; R1 is hydrogen, an alkali metal, an ammonium group, a mono-to tetra-hydr... | 09/13/1977 |
| 3951892 | Aqueous printing vehicle The invention provides a high-solids, low-viscosity, aqueous vehicle particularly adapted for use in coating cellulosic substrates under ambient conditions. The vehicle comprises a water-soluble oil with minute styrene polymer particles uniformly disperse... | 04/20/1976 |
| 3950290 | Aqueous coating and printing compositions This invention provides a high-solids, low-viscosity, aqueous vehicle particularly adapted for use in coating cellulosic substrates under ambient conditions. The vehicle comprises a water-soluble oil with minute styrene polymer particles uniformly dispers... | 04/13/1976 |