In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 6403711 | Polysiloxane having a copolymer dispersed therein and sealants containing the same A high elongation, low 100% modulus composition comprises a copolymer dispersed in a continuous phase polysiloxane. The copolymer is made from high amounts of at least a monomer which is capable of forming a low Tg polymer and relatively low amounts of at... | 06/11/2002 |
| 6130286 | Fast drying clear coat composition with low volatile organic content A fast-drying coating composition intended primarily as an automotive clear coat that may be cured at ambient conditions is provided with VOC less than 4.0 (preferably about 3.5) by the use as a major film-forming component an acrylic polyol that is the p... | 10/10/2000 |
| 5858746 | Gels for encapsulation of biological materials Water soluble macromers are modified by addition of free radical polymerizable groups, such as those containing a carbon-carbon double or triple bond, which can be polymerized under mild conditions to encapsulate tissues, cells, or biologically active mat... | 01/12/1999 |
| 5110857 | Ultravioletsetting resin composition Ultravioletsetting resin composition contains fragmentary quartz glass powder in the ratio of 50 to 200 parts to 100 parts of the ultravioletsetting resin. The surface hardness of the ultravioletsetting resin of the present invention is increased in a sho... | 05/05/1992 |
| 4918135 | Process for the preparation of aqueous polymer dispersions the dispersions obtained by the process and their use for the production of coatings An improved coating for heat resistant substrates is an aqueous dispersion of polymers prepared by polymerization of olefinically unsaturated monomers in an aqueous medium in the presence of radical formers and emulsifiers, wherein the emulsifiers are pol... | 04/17/1990 |
| 4745153 | Low viscosity, high solids polymer polyols prepared using a preformed dispersant This invention is a process for preparing a polymer polyol comprising the steps of (a) forming in a first step a dispersant by homopolymerizing a vinyl-terminated adduct, or copolymerizing said adduct with an ethylenically unsaturated monomer or mixture t... | 05/17/1988 |
| 4735974 | Binder system for castable ceramics A castable mix formulation for casting ceramic articles which comprises ceramic particles and an organic resin binder composed of furfuryl alcohol and a catalyst consisting essentially of zinc chloride and para toluene sulfonic acid.... | 04/05/1988 |
| 4666976 | Internally colored polyol (allyl carbonate) polymerizates When a solution of liquid allylic-functional material and bromoxylenol blue is polymerized using a thermally decomposable polymerization initiator, the color imparted by the bromoxylenol blue is brilliant yellow.... | 05/19/1987 |
| 4563486 | Polymerizable composition comprising (a) phosphorus oxyacid (b) amine and (c) inorganic material A polymerizable composition is formed from (a) a polymerizable olefinically unsaturated substance, (b) a phosphorus oxyacid and an organic amine, at least one of which bears a polymerizable olefinically unsaturated group and optionally (c) a particulate i... | 01/07/1986 |
| 4548984 | Internally colored polyol (allyl carbonate) polymerizates comprising inorganic molybdenum compounds When a solution of liquid allylic-functional material and dye comprising molybdenum dioxydichloride and molybdenum hexacarbonyl in combination is polymerized using a thermally decomposable polymerization initiator, the color imparted by the combination of... | 10/22/1985 |
| 4525421 | Surface hard coat for a synthetic resin lens A surface hard coating composition for a synthetic resin lens including: (A) at least one organic silicon compound represented by the general formula ##STR1## wherein R1 is a hydrocarbon group having from one to six carbon atoms or an org... | 06/25/1985 |
| 4460715 | Stable dispersions of polymers in polyfunctional compounds having a plurality of active hydrogens and polyurethanes produced therefrom A stable copolymer dispersion is prepared by addition copolymerization of (1) a monomeric adduct of an active hydrogen compound, e.g., a polyether polyol, and an acrylyl compound such as methacryloyl chloride with (2) ethylenically unsaturated monomer(s),... | 07/17/1984 |
| 4338171 | Photopolymerizable compositions Coating compositions are provided which consist of a polymerizable ethylenically unsaturated material having included therein as a photoinitiator a di- or tetraester of 3,4,3',4'-benzophenone tetracarboxylic acid or a diester of 4,4'-benzophenone dicarbox... | 07/06/1982 |
| 4252708 | Mechanically activateable one-part liquid resin systems Storage-stable, one-part, curable resin systems containing a latent Lewis acid catalyst which can be activated by applying mechanical force to the system.... | 02/24/1981 |
| 4238381 | Process for producing a non-aqueous system dispersed solution of polymers from polymeric peroxides A non-aqueous liquid dispersion of polymers is obtained by a first step of copolymerizing one or more vinyl-type monomers with one or more polymerized peroxides, capable of further polymerization followed by a second step of copolymerizing the resulting c... | 12/09/1980 |
| 4175067 | Curable binder for large foundry sand shapes A furfuryl alcohol-based foundry binder for use in the manufacture of large foundry sand shapes is disclosed. It is intended as a replacement for conventional alkyd oil foundry binders, and comprises a monomeric mixture of furfuryl alcohol, other alcohols... | 11/20/1979 |
| 4073758 | Emulsion compositions An emulsion composition prepared by the emulsion polymerization of a polymerizable vinyl monomer in the presence of an emulsifier characterized in that the emusifier is a neutralized maleate, partial maleate, fumarate or partial fumarate of an addition po... | 02/14/1978 |
| 4028291 | Process for the production of resins for printing ink Resins for printing ink and particularly offset ink, are produced by reacting a resin obtained by heat polymerizing at least one of cyclopentadiene, dicyclopentadiene or their alkyl substituted derivatives with 1-3 carbons and an unsaturated alcohol or un... | 06/07/1977 |
| 4023981 | Process for the preparation of pigmentary metallic particles coated with an organic polymer and compositions resulting therefrom A pigmentary composition prepared by coating metallic particles of pigment by means of a polymer or copolymer, by covering the polymerization or copolymerization "in situ" of at least one ethylenically unsaturated monomer having at least one oxygen or nit... | 05/17/1977 |
| 3956225 | Stable dispersion of vinyl polymer A stable dispersion of vinyl polymer dispersed in an organic dispersion medium, said dispersed vinyl polymer being prepared from a vinyl monomer in said dispersion medium in the presence of a dispersion stabilizer which is soluble in said dispersion mediu... | 05/11/1976 |
| 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 |