Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7171103 | Coated optical fibers A coated optical fiber can have a primary coating and a secondary coating, where the primary coating can have good microbending resistance and is obtained by curing a composition having a high cure speed. In one example, a coated optical fiber can include as optical... | 01/30/2007 |
| 6362303 | Thermoscattering materials and devices Thermally reversible light scattering materials are provided in accordance with the invention including a low melting, polymeric material dispersed in a polymer matrix; a first polymer which upon heating from a temperature below its melting point to a tem... | 03/26/2002 |
| 6333383 | Non-crystalline polyester resin composition A non-crystalline polyester resin composition of the present invention is excellent in processing properties of its molding, mechanical properties and chemical properties, in addition to its moldability, and is used in a variety of fields, which comprises... | 12/25/2001 |
| 6296867 | Therapeutic contact lens comprising living cells within a matrix A theraputic lens for removable placement onto a surface of a cornea of an eye, and methods for making and using the same. The lens has a first surface adapted for exposure to light and a second surface adapted to contact the surface of the cornea. The fi... | 10/02/2001 |
| 6201045 | Non-birefringence optical resin material, a production process therefor and a member for a liquid crystal device using the optical resin material A non-birefringence optical resin material is obtained by forming a transparent matrix from a polymeric resin having an orientation birefringence with a positive or negative sign, adding a low molecular weight substance exhibiting an orientation birefring... | 03/13/2001 |
| 6063874 | Polyetherimide resin/polyester resin blends Color stable thermoplastic resin compositions include a polyetherimide resin, polyester resin and phosphorus and/or phenol containing color stabilizers, and exhibit resistance to elevated temperature, elimination of black specks, and improved mechanical p... | 05/16/2000 |
| 5977201 | Crosslinked polymer systems having reversible temperature-dependent radiation transmission Polymer systems having reversibly temperature-dependent radiation transmission which are crosslinked with radiation induction, a process for their production, and their use for reversibly temperature-dependent control of the radiation transmission of glaz... | 11/02/1999 |
| 5767200 | Optical resin materials with distributed refractive index An optical resin, of which the refractive index continuously changes in a specific direction, is produced by filling a polymerization container with a mixed solution containing at least one type of polymerizable monomer or polymerizable monomer sol and at... | 06/16/1998 |
| 5763514 | Process for producting optical resin materials with distributed refractive index An optical resin, of which the refractive index continuously changes in a specific direction, is produced by filling a polymerization container with a mixed solution containing at least one type of polymerizable monomer or polymerizable monomer sol and at... | 06/09/1998 |
| 5726245 | Color-stable, weather-, and impact-resistant molding compositions based on polymethylmethacrylate, and process for production thereof Highly transparent, impact-resistant molding compositions based on polymethyl methacrylate (PMMA), having excellent color stability both during processing at high temperatures, as well as when under thermal stress, as a result of multiple processing with ... | 03/10/1998 |
| 5721313 | Crosslinked polymer composition A composition comprising a water-in-oil polymer emulsion wherein the polymer is the reaction product of the following: (a) an ethylenically unsaturated carboxylate having between about 3 and about 6 carbon atoms; (b) an ethylenically unsaturated monomer which ... | 02/24/1998 |
| 5556916 | Antistatic resin blends comprising ABS graft copolymers and ethylene oxide copolymers A resin composition is provided which comprises a mixture of A) 100 parts by weight of an ABS graft copolymer comprising as component monomers an acrylonitrile compound and a vinyl aromatic compound in a weight ratio of 10:90 to 50:50, and B) 5 to 30 part... | 09/17/1996 |
| 5541247 | Optical resin materials with distributed refractive index, process for producing the materials, and optical conductors using the materials An optical resin, of which the refractive index continuously changes in a specific direction, is produced by filling a polymerization container with a mixed solution containing at least one type of polymerizable monomer or polymerizable monomer sol and at... | 07/30/1996 |
| 5494969 | Cycloolefin polymer composition There is provided a cycloolefin polymer composition comprising 8 to 40% by weight of a cycloolefin polymer [A] and 92 to 60% by weight of a cycloolefin polymer [B], both having specific properties, wherein a difference ƊnD =|nD (A)-... | 02/27/1996 |
| 5430104 | Polymer mixtures with lower critical solution temperature (LCST) behavior Polymer mixtures made from two different polymer components and exhibiting LCST behavior are provided for use in applications which require temperature-dependent light permeability. The polymer mixtures P are made from: P1: from 98 to 2% by weight of poly... | 07/04/1995 |
| 5346954 | Thermoplastic and thermoset polymer compositions Polymer particles in a size range between 2 and 15 micrometers, and having a refractive index close to, but not identical with, that of a matrix polymer and optionally having one or more enclosing shells, the outer shell being compatible with the matrix p... | 09/13/1994 |
| 5342889 | Chain extended low molecular weight polyoxiranes for electrostatic applications The present invention relates to electrostatic dissipative polymeric compositions comprising an effective amount of a chain extended polymer and a matrix polymer or matrix polymer blend. The chain extended polymer of the subject invention has electrostati... | 08/30/1994 |
| 5322900 | Compatible polymer blends Compatible polymer blends PM, exhibiting a single glass transition temperature Tg comprise (A) 0.1-99.9 wt. % of a polymer P1 comprising at least 95 wt. % styrene; and (B) 99.9-0.1 wt % of a polymer P2 comprising (a) more than 90 wt. % and up to 100 wt. % of e... | 06/21/1994 |
| 5319039 | Thermally processable blends of aromatic polyesters and high modulus polyurethanes The tensile strength of a thermoplastic, transparent, aromatic polyester is markedly improved by incorporating into the polyester a thermoplastic, rigid polyurethane. The resultant transparent blend is particularly useful in making eyeglasses, toothbrushe... | 06/07/1994 |
| 5290862 | Transparent high impact alloy A tough polymer alloy is provided and comprises: (i) from 30 to 83 weight percent of a brittle polymer; (ii) from 3 to 50 weight percent of a rubbery polymer; and (iii) from 15 to 67 weight percent of a ductile polymer provided that the ductile polymer and the rubb... | 03/01/1994 |
| 5286604 | Single layer dry processible photothermal-sensitive element A photothermal-tackifiable composition, useful as a coating on a substrate, consisting of an optically clear blend of two or more polymers, one or more of which is capable of undergoing a thermochemical reaction, and a photothermosensitive compound, an in... | 02/15/1994 |
| 5171777 | Miscible blends of poly(vinyl acetate) and polymers of acrylic acid Blends of polymers of vinyl acetate and polymers derived from acrylic acid have been discovered which exhibit thermodynamic miscibility. These polymer blends exhibit excellent mechanical compatibility, provide enhanced toughness and strength superior to t... | 12/15/1992 |
| 4904421 | Soft ocular lens and method for its preparation A method for preparing a soft ocular lens, which comprises machining a machinably hard polymer blend body composed essentially of a soft lens material and a hard polymer into an ocular lens shape, and removing the hard polymer from the shaped product.... | 02/27/1990 |
| 4769415 | Resin composition A resin composition comprising a block copolymer which comprises an intermediate block of a hydrogenated conjugated diene polymer and terminal blocks of an aromatic vinyl compound polymer, the composition being characterized in that the composition compri... | 09/06/1988 |
| 4764563 | Clear impact modifier for PVC PVC impact modifier composition and clear modified PVC comprising PVC and a graft copolymer including from 60 to 70 wt % of a butadiene based rubber grafted with 40 to 30 wt % of a styrenic composition and a ethylenically unsaturated nitrile in a ratio of... | 08/16/1988 |
| 4707076 | Coating compositions for optical fibers Curable compositions having at least one ethylenically unsaturated monoene, a polyene and a curing initiator are disclosed for use with optical fibers. The monoene and polyene components may be substituted with organo functional compounds to selectively v... | 11/17/1987 |
| 4506045 | Cellulose ester-aliphatic polycarbonate thermoplastic moulding compositions Thermoplastic moulding compositions consisting of from 1 to 99% by weight of at least one cellulose ester or cellulose mixed ester, from 99 to 1% by weight of an aliphatic polyester or polyether containing carbonate groups and, optionally, standard auxili... | 03/19/1985 |
| 4287316 | Transparent resin composition for information signal recording discs A transparent resin composition comprising (1) 6 to 100% by weight of a nitrile graft copolymer comprising a rubber trunk polymer and a branch polymer grafted thereon, which has been obtained by graft-polymerizing onto the rubber trunk polymer a monomer m... | 09/01/1981 |
| 3975459 | Thermoplastic molding compositions of high impact resistance Thermoplastic molding compositions based on polyoxymethylene and containing, to improve the impact resistance, a block copolymer of a diene polymer block B and at least one poly(alkylmethacrylate) block A.... | 08/17/1976 |
| 3955015 | Method of manufacturing a transparent light conducting element of synthetic resin having refractive index gradient A method of manufacturing a light conducting element of synthetic resin in which a continuous change takes place in refractive index from the surface of the element toward its interior, which comprises bringing a transparent solid article of a network pol... | 05/04/1976 |
