"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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 |
| 4772747 | Preparation of 2,4,6-trichlorophenylhydrazine Disclosed is a process for the preparation of 2,4,6-trichlorophenylhydrazine by chlorinating the reaction product of phenylhydrazine and a dicarboxylic anhydride to obtain an N-(2,4,6-trichloroanilino)dicarboximide which is reacted with a base capabl... | 09/20/1988 |
| 4613679 | Emulsifiable modified polymers Emulsifiable polyolefin waxes are prepared by reacting low molecular weight homo- and copolymers containing at least one alpha-olefin monomer having at least three carbon atoms with diesters of maleic acid in the presence of a free radical source. These e... | 09/23/1986 |
| 4602116 | Process for the selective production of ketones The present invention provides a process for the selective production of ketones under hydroformylation conditions. In particular, the process comprises the hydroformylation of at least one olefin in the presence of hydrogen, carbon monoxide, and a cataly... | 07/22/1986 |
| 4595584 | Rumen-stable pellets Disclosed is a composition adapted for use in coating pellets orally administrable to ruminants which protects the core material in the rumen and releases it in the abomasum comprising a film-forming polymeric material, a hydrophobic material dispersed in... | 06/17/1986 |
| 4594406 | Polyesters and their manufacture from acids and glycol carbonates Poly(ethylene terephthalate), poly(1,4-cyclohexanedicarboxylate), poly(ethylene isophthalate), poly(ethylene naphthalate), their copolymers with each other and with modifying aliphatic dicarboxylic acids, and substituted glycol repeat unit modifications t... | 06/10/1986 |
| 4593087 | Disperse and acid azo dyes having one or two cinnamoyl substituents on a thiazole, isothiazole or thiadiazole diazonium moiety and having an aniline, tetrahydroquinoline or benzomorpholine coupler Disclosed are azo dyes containing diazonium moieties from aminothiazoles, aminoisothiazoles, or aminothiadiazoles (1,2,4- or 1,3,4-), and certain coupler moieties from aniline, tetrahydroquinoline, and benzomorpholine type compounds, wherein the diazonium... | 06/03/1986 |
| 4593088 | 2-amino-cinnamoylthiophene azo dyes having aniline, tetrahydroquinoline, or benzomorpholine couplers Disclosed are new disperse azo dyes prepared from 2-amino-cinnamoylthiophene compounds. These dyes give bright blue shades, for example, on polyester, cellulose acetate and other synthetic fibers and exhibit improvements in one or more of such properties ... | 06/03/1986 |
| 4581473 | Preparation of ethylidene diacetate Process for the preparation of ethylidene diacetate by hydrogenating acetic anhydride in the presence of a homogeneous rhodium catalyst, methyl iodide and lithium iodide.... | 04/08/1986 |
| 4571497 | Method for continuously measuring the perimeter of wrapped objects Disclosed is a method of continuously determining the perimeter of an elongated object of generally uniform cross section which comprises wrapping the object with a sheet of flexible material having a pair of detectable parallel lines formed thereon, such... | 02/18/1986 |
| 4567372 | Method for continuously measuring the perimeter of wrapped objects of generally uniform cross-section Disclosed is a method of continuously determining the perimeter of an elongated object of generally uniform cross-section which comprises wrapping the object with a sheet of flexible material having a single band imprinted thereon in such manner that the ... | 01/28/1986 |
| 4565851 | Containers having improved gas barrier properties The present invention provides polymer blend compositions which are useful in the formation of containers having improved resistance to gas permeability. The polymer blend compositions comprise about 5 to 50 percent by weight of a first polyester comprisi... | 01/21/1986 |
| 4562248 | Azo dyes from unsubstituted or substituted 3-amino-pyridine and aryl or heterocyclic couplers Azo dyes having the general formula ##STR1## in which each of X, Y and Z are independently selected from H and a variety of substituents, preferably provided that at least one of X and Y is a substituent selected, for example, from --CN, halogen, alk... | 12/31/1985 |
| 4558136 | Preparation of 2-benzoxazolinones Disclosed is a process for preparing 2-benzoxazolinones by reacting a 2-nitrophenol compound with carbon monoxide in the presence of a palladium catalyst and a tertiary amine.... | 12/10/1985 |
| 4554348 | 2-Amino-cinnamoylthiophene acid azo dye compounds having an aniline, tetrahydroquinoline, or benzomorpholine coupler Disclosed are new acid azo dyes prepared from 2-amino-cinnamoylthiophene compounds. These dyes give bright red to blue shades, for example, on polyester, cellulose acetate, wool and particularly polyamide fibers and exhibit improvements in one or more of ... | 11/19/1985 |
| 4552951 | Disperse and acid azo dyes having one or two cinnamoyl substituents on a phenyl diazonium moiety and containing an aniline, tetrahydroquinoline or benzomorpholine coupler This invention relates to azo dyes which may be unsubstituted or substituted with a variety of groups known to the dye art, and containing a diazonium moieties from an aniline type compound and certain coupler moieties from aniline, tetrahydroquinoline, o... | 11/12/1985 |
| 4552952 | Disperse and acid azo dyes having one or two cinnamoyl substituents on a benzothiazole or benzoisothiazole diazonium moiety and having an aniline, tetrahydroquinoline or benzomorpholine type coupler This invention relates to azo dyes which may be unsubstituted or substituted with a variety of groups known to the dye art, and containing diazonium moieties from 2-aminobenzothiazole or 2-aminobenzisothiazole type compounds, and certain coupler moieties ... | 11/12/1985 |
| 4547329 | Process for forming copolymer particles Disclosed is a process for the formation of olefin-vinyl alcohol copolymer pellets which comprises mixing particles of the copolymer with water to obtain a wet cake containing about 20-70% solids by weight to thereby obtain a plasticized mass of the copol... | 10/15/1985 |
| 4533729 | Process for the preparation of polycarbonate polyols The present invention provides a novel process for preparing specified amorphous polycarbonate polyols. The process comprises reacting phosgene, a branched-chain polyhydric alcohol, and a straight chain polyhydric alcohol in the presence of a solvent and ... | 08/06/1985 |
| 4530997 | Azo dyes from sulfonated 3-sulfonated 3-amino-2,1-benzisothiazoles with 1,2,3,4-tetrahydroquinoline or 2,3-dihydro-1,4-benzoxazine couplers Disclosed are azo dyes in which the diazo component is a diazotized 3-amino-2,1-benzisothiazole compound bearing one or two sulfo groups, and the coupler is either a 1,2,3,4-tetrahydroquinoline or a 2,3-dihydro-1,4-benzoxazine compound. These dyes exhibit... | 07/23/1985 |
| 4528312 | Degraded polyolefin containing extrusion coating compositions having good adhesion to a substrate at fast coating speeds This invention relates to novel blends containing degraded crystalline polypropylene or propylene containing copolymer, low density polyethylene, hydrocarbon tackifying resin, and a fatty acid amide useful as extrusion coating compositions which provide c... | 07/09/1985 |
| 4526822 | Shaped articles from poly(ethylene terephthalate) modified with trans-4,4'- s Copolyesters of poly(ethylene terephthalate) modified with greater than 10 to about 40 mol % trans-4,4'-stil-benedicarboxylic acid can be melt spun to give as-spun fibers with exceptionally low shrinkage at elevated temperatures and with tensile strengths... | 07/02/1985 |
| 4526919 | Polyolefin extrusion coating compositions having good coatability and good adhesion to the substrate This invention relates to novel blends containing crystalline polypropylene or propylene containing copolymer, low density polyethylene, hydrocarbon tackifying resin, and a fatty acid amide useful as extrusion coating compositions which provide coatings h... | 07/02/1985 |
| 4525551 | Highly active and efficient polyolefin catalyst This invention relates to a novel highly active and more efficient catalyst system for polymerizing alpha-olefins to prepare high, medium, and low molecular weight polymers. This highly active olefin polymerization catalyst therefore can be used to prepar... | 06/25/1985 |
| 4525504 | Stabilized polyester compositions suitable for outdoor applications Disclosed are stabilized polyester compositions having significantly improved weatherability, said polyesters consisting of homopolyesters derived from a dicarboxylic acid component wherein at least a major portion of which is 1,4-cyclohexanedicarboxylic ... | 06/25/1985 |
| 4521585 | Polyesters and their manufacture from acids and glycol carbonates Poly(ethylene terephthalate), poly(1,4-cyclohexanedicarboxylate), poly(ethylene isophthalate), poly(ethylene naphthalate), their copolymers with each other and with modifying aliphatic dicarboxylic acids, and substituted glycol repeat unit modifications t... | 06/04/1985 |
| 4519281 | Package wind cutter Apparatus and method for cutting a strand into predetermined lengths, wherein a cutting head having a plurality of cutting blades forming a cutting zone rotates around one axis and a strand winding device rotates around an axis intercepting the other axis... | 05/28/1985 |
| 4519200 | Textile yarns with loops and free protruding ends Textile yarn having a staple yarn character and including continuous filaments with each continuous filament being formed into coils, loops or whorls at random intervals along its length, each continuous filament having a main body section with a portion ... | 05/28/1985 |
| 4518769 | Fractionation of polymers Process of obtaining a high molecular weight fraction from a polar polymer which comprises the steps of first, forming a solution of the polar polymer in a solvent which is also a solvent for a selected coacervating substance, then mixing with the solutio... | 05/21/1985 |
| 4514230 | Alkyd composition for high solids coatings Disclosed is an alkyd composition adapted to be dissolved in a solvent and used as a high solids coating, said alkyd composition being derived from the following components: (A) about 75 to about 85 mole % terephthalic, or phthalic acid, (B) about 15 to about ... | 04/30/1985 |
| 4510205 | Copolyesterethers coated with saran Coated articles comprising a substrate and a coating, the articles having a decreased water vapor transmission rate and ability to withstand autoclaving conditions as evidenced by decreased tendency toward blistering, peeling and haze. The substrate compr... | 04/09/1985 |
| 4507256 | Process for foaming cellulose acetate rod A new process for foaming cellulose acetate rods consists of blending the cellulose acetate with a suitable plasticizer, a nucleating agent, cyclic ethylene carbonate, and a co-reactant for the ethylene carbonate and extruding into a foamed rod. Suitable ... | 03/26/1985 |
| 4503268 | Preparation of monochlorohydroquinone Disclosed is a process for the preparation of monochlorohydroquinone by treating hydroquinone in hydrochloric acid with chlorine at 100° to 105° C.... | 03/05/1985 |
| 4502633 | Variable capacity gasification burner A variable capacity burner that may be used in gasification processes, the burner being adjustable when operating in its intended operating environment to operate at two different flow capacities, with the adjustable parts being dynamically sealed within ... | 03/05/1985 |
| 4501877 | Higher molecular weight polyesters from diacid anhydrides and cyclic alkylene carbonates Higher molecular weight polyesters are prepared from diacid anhydrides and cyclic alkylene carbonates by the process of first drying the reaction mixture either totally or at least substantially completely by azeotropic distillation of water using a suita... | 02/26/1985 |
| 4501878 | Process for the preparation of high molecular weight polyesters Disclosed is an improved process for the preparation of high molecular weight linear polyesters. In the preparation of polyesters by formation of a bis-dihydroxy ester prepolymer by transesterifying dimethyl terephthalate with a glycol in the presence of ... | 02/26/1985 |
| 4499272 | NH4+ Or group IA metal 2,7-dimethyl-1,2,3-tetrahydro-ଲ-hydroxy-1-quinolinepropanesulfonate s 2-Hydroxy-3-halo-1-propanesulfonates are reacted with certain arylamines, preferably in the presence of a base such as KOH or NaOH in one or more of ethylene glycol, propylene glycol, 2-ethoxyethanol and the like to give 2-hydroxy-3-(arylamino)-1-propanes... | 02/12/1985 |
| 4496762 | Process for the preparation of N-(2-(cyclo-hexen-1-yl)ethyl)-4-methoxybenzeneacetamide An improved method for preparing a compound having the formula ##STR1## which is an intermediate in the preparation of dextromethorphan, the improved method comprises the steps of (A) hydrogenating a compound having the formula ##STR2## in the ... | 01/29/1985 |
| 4496747 | Process for the preparation of dehydroacetic acid A process for the preparation of dehydroacetic acid which comprises heating 2,2,6-trimethyl-4H-1,3-dioxin-4-one, preferably at a temperature of about 130° C. to about 160°C., the heating being carried out preferably in the presence of an inert solvent s... | 01/29/1985 |
| 4495244 | Continuous filament slub yarn Continuous filament yarn of textile utility has slubs formed at randomly spaced intervals along the length of the yarn, with each filament having a main body section extending along the length of the filament and at least one wing member extending from th... | 01/22/1985 |
| 4489188 | Coalescent-containing coating composition The present invention relates to a novel coating composition which contains a coalescent. The coating composition comprises a latex of a normally solid organic addition polymer and a coalescing amount of an ether-ester solvent having formula (I) or (II) ... | 12/18/1984 |