...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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 |
| 7179882 | Low viscosity polymer polyols The present invention relates to low viscosity polymer polyols and to a process for the preparation of these low viscosity polymer polyols. These polymer polyols comprise the free-radical polymerization product of (A) a base polyol, (B) a pre-formed stabilizer, and ... | 02/20/2007 |
| 7160975 | Methacrylates as stabilizers for polymer polyols This invention relates to ethylenically unsaturated macromers which contain reactive unsaturation, and to a process for preparing these ethylenicallly unsaturated macromers which contain reactive unsaturation. The process of preparing these ethylenically unsaturated... | 01/09/2007 |
| 6268457 | Spin-on glass anti-reflective coatings for photolithography Anti-reflective coating materials for deep ultraviolet photolithography include one or more organic dyes incorporated into spin-on-glass materials. Suitable dyes are strongly absorbing over wavelength ranges around wavelengths less than 260 nm such as 248... | 07/31/2001 |
| 5994452 | Primer for promoting adhesion of electroconductive metal oxide coating to plastic substrates The present invention relates to primer for promoting adhesion of an electroconductive metal oxide coating over a plastic substrate, to a method of making such a primer, and to a method of adhering an electroconductive metal oxide coating to a plastic sub... | 11/30/1999 |
| 5399604 | Epoxy group-containing resin compositions An epoxy group-containing thermosetting resin composition comprising (A) a copolymer obtained from (a) at least one member selected from an unsaturated carboxylic acid and an unsaturated carboxylic acid anhydride, (b) an epoxy group-containing unsaturated... | 03/21/1995 |
| 5336715 | Organopolysiloxane composition Organopolysiloxane compositions which comprise (A) a salt of a water-soluble organic or inorganic acid and an organopolysiloxane which has at least one SiC-bonded organic radical containing basic nitrogen, and (B) an alkoxylated alcohol and also, optional... | 08/09/1994 |
| 5290852 | Glutaric acid based polyester internally plasticized PVC An internally plasticized polyvinyl halide obtained by the polymerization of a vinyl halide monomer in the presence of a polyester polymeric plasticizer substantially derived from glutaric acid and a diol. Articles made therefrom exhibit a unique balance ... | 03/01/1994 |
| 5268418 | Polymer/polyol and preformed stabilizer systems Improved polymer/polyol compositions and processes for making them; high potency preformed stabilizers used to make the polymer/polyol compositions and processes for making them; and improved polyurethane products made from the polymer/polyols composition... | 12/07/1993 |
| 5247012 | Glutaric acid based polyester internally plasticized PVC An internally plasticized polyvinyl halide obtained by the polymerization of a vinyl halide monomer in the presence of a polyester polymeric plasticizer substantially derived from glutaric acid and a diol Articles made therefrom exhibit a unique balance o... | 09/21/1993 |
| 5206286 | Aqueous emulsion polymers prepared with crosslinkable non-ionic surfactants A stable aqueous polymer emulsion contains an aqueous continuous phase, a dispersed polymeric phase which comprises an acrylic polymer and a polyhydroxyl functional, non-ionic surfactant having a repeating polymer unit in the backbone and containing from ... | 04/27/1993 |
| 5196476 | Polymer/polyol and preformed stabilizer systems Improved polymer/polyol compositions and processes for making them; high potency preformed stabilizers used to make the polymer/polyol compositions and processes for making them; and improved polyurethane products made from the polymer/polyols composition... | 03/23/1993 |
| 5180755 | Method for producing antistatic polyurethane resin A method for producing antistatic polyurethane resins according to the present invention comprises a reaction of a compound having at least two active hydrogen atoms with an organic isocyanate in the presence of at least one kind of complex compounds repr... | 01/19/1993 |
| 5008328 | Aqueous organosilicon resin coating compositions This invention provides an aqueous organosilicon resin coating composition comprising: (I) an aqueous organosilicon resin which is a condensation product and which contains a quaternary ammonium base, the condensation product being prepared from (i) an or... | 04/16/1991 |
| 4929668 | Aqueous synthetic dispersions Aqueous synthetic dispersions based on copolymers of acryl polymers and/or vinyl polymers containing both hydroxylalkyl(meth)acrylate monomers and etherified N-alkylol(meth)acrylamide monomers. These dispersions are suitable as bonding agents for the prod... | 05/29/1990 |
| 4766167 | Hydroxy acid ester plasticized urethane elastomers A plasticized polyurethane elastomer prepared from the combination of a polyol and an isocyanate is disclosed wherein a sufficient amount of an alpha hydroxy acid ester of a hydroxy polyol plasticizer is incorporated in the elastomer to improve the physic... | 08/23/1988 |
| 4684694 | Transparent coating layer with self-repairng and fog-resistant properties which can be utilized on panes A high optical quality polyurethane coating layer, with self-repairing and fog-resistant properties, utilized for panes made of glass and/or plastic materials. The layer is formed from a reactive mixture composed 10 to 75% by weight of a biuret or an isoc... | 08/04/1987 |
| 4668734 | Stable dispersions of polyureas and/or polyhydrazo-dicarbonamides in relatively high molecular weight hydroxyl-group containing materials, a process for the production thereof and the use thereof for the production of polyurethane plastics The present invention is directed to a stable dispersion of a polyurea and/or a polyhydrazodicarbonamide in a relatively high molecular weight hydroxyl-group containing material, which dispersion has a solids content of from 5 to 50 percent by weight and ... | 05/26/1987 |
| 4652605 | Preparation of low molecular weight polymers by vinyl addition polymerization under dilute reaction conditions using a polymeric diluent A polymeric reaction product, a process for its preparation and a coating composition containing the reaction product as a binder are described. The polymeric reaction product is prepared by the vinyl addition polymerization of a vinyl monomer component o... | 03/24/1987 |
| 4497913 | Process for preparing a stable dispersion of a polymer in a polyol and its use in the production of high resilience polyurethane foam A stable dispersion of a polymer in a polyol is prepared by reacting an organic polyisocyanate with a short-chain polyol in a high molecular weight polyol containing a relatively high primary hydroxyl group content, the ratio of the content of primary hyd... | 02/05/1985 |
| 4472551 | One package, stable, moisture curable, alkoxy-terminated organopolysiloxane compositions Stable, substantially acid-free, one package moisture curable alkoxy-terminated organopolysiloxane compositions are provided having a condensation catalyst such as a tin compound and a silicon-free scavenger, such as an organic scavenger, for materials ha... | 09/18/1984 |
| 4433089 | Inhibition of polyurethane hardening Elastomeric polyurethanes, e.g. as prepared by reacting diisocyanate-capped, essentially linear polyester or polyether and polyol suitable for cross-linking thereof, are inhibited against undesired hardening in use or storage by including in the polyureth... | 02/21/1984 |
| 4420586 | Non-aqueous dispersion polymerization of vinyl monomers Non-aqueous dispersion polymers are formed using certain polymer oil-soluble oxygen containing solvents having at least two labile hydrogen atoms and at least one tertiary carbon atom. Non-aqueous dispersion polymers prepared in this manner do not require... | 12/13/1983 |
| 4412022 | Polyurethane coating compositions prepared from a polymeric diol, an alicyclic diisocyanate, an alicyclic diamine and either hydrazine or isophthalic acid dihydrazide Polyurethane compositions comprising a polyurethane synthesized by reacting a diol, a specific alicyclic diisocyanate, a specific alicyclic diamine and hydrazine or isophthalic acid dihydrazide in specific proportions and a solvent therefor have good solu... | 10/25/1983 |
| 4349469 | Copolyesterethers Disclosed are copolyesterethers having an inherent viscosity of from about 0.8 to about 1.5 comprising A. a dicarboxylic acid component consisting essentially of 1,4-cyclohexanedicarboxylic acid having a trans isomer content of at least 70%, and B. a glyc... | 09/14/1982 |
| 4305857 | Process for the preparation of stable dispersions of polyisocyanate-polyaddition products in hydroxyl containing compounds This invention relates to a process for the in situ preparation of stable dispersions of polyisocyanate-polyaddition products in hydroxyl containing compounds as dispersing agent by a process which comprises reacting (1) organic polyisocyanates with (2) compou... | 12/15/1981 |
| 4305858 | Process for the preparation of stable ionic dispersions of polyisocyanate-polyaddition products in hydroxyl containing compounds This invention relates to a process for the preparation of finely divided, stable and relatively low viscosity dispersions of ionic polyisocyanate polyaddition products in compounds having hydroxyl groups by reacting (1) organic polyisocyanate with (2) compoun... | 12/15/1981 |
| 4242249 | Polymer/polyols via non-aqueous dispersion stabilizers This invention relates to polymer/polyols prepared from an ethylenically unsaturated monomer or a mixture of such monomers and characterized by the utilization, in the preparation thereof, of certain preformed stabilizers tailored to the monomer system em... | 12/30/1980 |
| 4233362 | Water-soluble air-oxidizing acrylic coatings The specification discloses a polymer and the method of using the same to prepare articles of manufacture, the composition comprising a water-soluble salt of a polymer containing pendant groups derived from an unsaturated drying oil fatty acid hydroxyamid... | 11/11/1980 |
| 4227979 | Radiation-curable coating compositions containing amide acrylate compounds Radiation-curable coating compositions are disclosed which contain one or more amide acrylate compounds of the general formula: ##STR1## wherein X, Y and Z may each independently be H, alkyl, aryl, acrylyloxyalkyl, acrylyloxy aliphatic ester or acryl... | 10/14/1980 |
| 4101528 | Copolyesters of ethylene 2,6-naphthalene dicarboxylate and halogenated comonomers A flame-retardant filament-forming copolymer of at least 75 mol % of ethylene-2,6-naphthalene dicarboxylate units and at least 3 mol % up to 25 mol % of randomly copolymerized esters units having bromine or chlorine chemically united with either the diaci... | 07/18/1978 |
| 4058495 | Preparation of high bulk density/low porosity PVC resins A high bulk density/low porosity polyvinyl chloride resin which is highly processable and thermally stable is prepared by suspension polymerization wherein a vinyl chloride monomer is polymerized in the presence of: hydroxyethyl cellulose; an internal lub... | 11/15/1977 |
| 4052465 | Preparation of organic peroxides A process for the polymerization of vinyl or vinylidene-group-containing esters in the presence of a free radical generating compound as an initiator and a metal compound as an accelerator comprising, as an initiator, an organic peroxidic composition cons... | 10/04/1977 |
| 4026720 | Coating composition for acrylics A coating composition comprises (1) a partially hydrolyzed siloxane compound, (2) one or more of alkali metal and zinc salts of naphthenic acid, (3) acetic acid, and (4) other organic solvents. This composition contains these components in appropriate pro... | 05/31/1977 |
| 3985691 | Particulate nitrocellulose composition A new particulate nitrocellulose composition comprises nitrocellulose and 10 - 30% by weight of a hydroxylic plasticizer containing at least one free hydroxyl group. A protective water-soluble colloid is used to prepare the compositions. The compositions ... | 10/12/1976 |
| 3950294 | Aqueous coating compositions of dispersions of thermoplastic addition polymers with low molecular weight plasticizers A composition which may be used in a coating formulation or a binder formulation for non-woven fabrics or in moulding formulations which comprises a solid, waterinsoluble, thermoplastic, synthetic addition polymer comprising at least one , ଲ-... | 04/13/1976 |