Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 5534150 | Selectively-permeable membrane and the use thereof A selectively-permeable membrane constituted by a composition comprising starch and a synthetic thermoplastic polymer is used for separating liquid aqueous-organic mixtures by pervaporation.... | 07/09/1996 |
| 5529927 | "Alga species lobsphaera TM-33 (ATCC 75630) which is useful for preparing trehalase" Novel trehalase having the properties that it hydrolyzes ,'-trehalose, 2,2'-dideoxy-,'-trehalose and 2-deoxy-,'-trehalose into the respective constituting sugars while it does not act on neotrehalose, lactose, mal... | 06/25/1996 |
| 5526116 | Method and apparatus for profiling surfaces using diffractive optics which impinges the beams at two different incident angles Optical system for measuring surface topography, comprised of a light source (30), a diffractive optical assembly (70, 72, 73) comprised of two or more diffraction gratings, holograms or like diffractive optics (120, 130; 122, 132; 123, 133), electronic d... | 06/11/1996 |
| 5525518 | Method of photometric in vitro determination of a blood gas parameter in a blood sample A method of photometric in vitro determination of at least one blood gas parameter in a sample of whole blood. The whole blood sample is obtained by connecting an at least partially transparent sample container to an in vivo locality and transferring whol... | 06/11/1996 |
| 5516863 | (Co)polymerization process in aqueous emulsion of fluorinated olefinic monomers Radical (co)polymerization process of fluorinated olefinic monomers, optionally in association with one or more non-fluorinated olefins, in which the monomers are (co)polymerized in aqueous emulsion, in the presence of a hydrogenated chain transfer agent ... | 05/14/1996 |
| 5514647 | Fibronectin-containing ophthalmic solution, method of preserving an opthalmic solution, and methods of treatment of opthalmic wounds A stable and soluble multi-dose ophthalmic solution is disclosed. The solution contains fibronectin, an amino acid, a sugar, and a lower alkyl p-hydroxybenzoate. A method treatment of ophthalmic wounds employing the ophthalmic solution, a process for prep... | 05/07/1996 |
| 5512378 | Biodegradable starch based articles Thin-walled biodegradable starch-based articles, particularly sheets of film including at least one first layer of polymeric material including starch and at least one second layer of hydrophobic material, are characterized in that the second layer includ... | 04/30/1996 |
| 5507991 | Extrusion method for producing FD&C dyes A solution of substantially pure, chemically synthesized food dye is converted to a dustless and abrasion-resistant granular composition of high physical integrity which dissolves readily when intended for use. The conversion is accomplished by subjecting... | 04/16/1996 |
| 5498682 | Perfluorodioxoles, the preparation process thereof, and homopolymers and copolymers obtained therefrom The invention relates to new thermoprocessable copolymers of tetrafluoroethylene constituted by perfluoromethylvinylether (0.5-13% by weight), a fluorinated dioxole (0.05-3%) and tetrafluoroethylene (difference to 100%), particularly useful for coating el... | 03/12/1996 |
| 5496494 | Process for decreasing the build up of inorganic incrustations on textiles and detergent composition used in such process A process for decreasing the build-up of inorganic incrustations on textiles deriving from water hardness and due to repeated washing cycles with detergent compositions comprises the addition to the washing bath of a non-reducing carbohydrate and/or non-r... | 03/05/1996 |
| 5496397 | Desiccant-coated substrate and method of manufacture Desiccant-coated substrates, regeneratable rotary dehumidification wheels and other devices for gas (e.g., air) treatment using those substrates, and processes for making them are disclosed. The substrates may have coatings in thicknesses of from about 2 ... | 03/05/1996 |
| 5495028 | Perfluorodioxoles, the preparation process thereof, and homopolymers and copolymers obtained therefrom The invention relates to new thermoprocessable copolymers of tetrafluoroethylene constituted by perfluoromethylvinylether (0.5-13% by weight), a fluorinated dioxole (0.05-3%) and tetrafluoroethylene (difference to 100%), particularly useful for coating el... | 02/27/1996 |
| 5487818 | Process for separating phthalimido-peroxycaproic acid from solutions in organic solvents A process for separating phthalimido-peroxycaproic acid (PAP) from solutions in organic solvents, wherein the organic solvents have a solubility in water equal to or lower to 10% by weight, is provided. The process employs the following steps: (a) dispers... | 01/30/1996 |
| 5484914 | Process for the production of oxyacids from carbohydrates A method for the production of oxyacids from carbohydrates by catalytic oxidation with an oxygen containing gas in an alkaline medium, wherein the oxidation is carried out by homogeneous catalysis in the presence of a catalytic amount of an ion of a trans... | 01/16/1996 |
| 5484721 | Process and apparatus for forming solid particles by cross-linking drops of a cross-linkable material with a free-falling stream of cross-linking agent A process and apparatus are provided for making solid particles from an ionically cross-linkable material by cross-linking drops of the material with a cross-linking agent in the form of a falling stream. In one embodiment, a stream of the cross-linking a... | 01/16/1996 |
| 5476721 | Coatings based on polyesters from perfluoropolyethers Coatings obtainable from crosslinkable polyesters resins based on perfluoropolyethers obtainable from hydroxy-terminated PFPE, with acid anhydride and/or a diacid, a polyol with functionality higher than 2 and optionally in mixtures of diols having a func... | 12/19/1995 |
| 5475168 | Process for purifying 1,1,1-trifluoro-2-fluoroethane 1,1,1-trifluoro-2-fluoroethane (CFC 134a) is purified from 1,1-difluoro-2-chloroethylene (CFC 1122) by reacting a mixture comprising said compounds with hydrofluoric acid, at temperatures from 200° C. to 450° C., in the presence of chrome oxide (Cr... | 12/12/1995 |
| 5474766 | Methods and compositions for inhibition of hepatic clearance of tissue-type plasminogen activator Methods and compositions for inhibiting the hepatic clearance of tissue-type plasminogen activator (t-PA) in vivo by administering a t-PA-hepatic clearance-inhibiting amount of 39 kDa protein or a t-PA-hepatic clearance-inhibiting fragment thereof, or gen... | 12/12/1995 |
| 5464882 | Method for inhibiting the degradation of hydrochlorofluorocarbons utilized as foaming agents in the preparation of foamed polyurethanes and polyisocyanurates The invention relates to a method for inhibiting the degradation by dehydrohalogenation of hydrochlorofluorocarbons, such as for example the mixture of 123 and 123a, used as foaming agents during the formation reaction of foamed polyurethanes or polyisocy... | 11/07/1995 |
| 5463151 | Process for preparing 1,1,1,2-tetrafluoroethane 1,1,1,2-tetrafluoroethane (134a) is prepared by reacting, in the gas phase, trichloroethylene with 1,1,1-trifluorochloroethane (133a) and hydrofluoric acid with trichloroethylene/133a molar ratios ranging from 5/95 to 50/50, in the presence of a catalyst ... | 10/31/1995 |
| 5463006 | Thermoprocessable copolymers of tetrafluoroethylene The invention relates to new thermoprocessable tetrafluoroethylene copolymers particularly suitable for coating electric cables by melt extrusion. These copolymers consist of: (a) from 0.5 to 13% by weight of perfluoromethylvinylether; (b) from 0.05 to 3% by w... | 10/31/1995 |
| 5462982 | Method for the preparation of destructured-starch-based compositions and compositions produced thereby In order to prepare a starch-based composition usable for the production of articles of biodegradable plastics material, a starch is mixed in a heated extruder with a high-boiling plasticizer and a destructuring agent for a time sufficient to cause the st... | 10/31/1995 |
| 5462981 | Method of producing plasticized polyvinyl alcohol and its use for the preparation of starch-based, biodegradable thermoplastic compositions The method of producing plasticized polyvinyl alcohol by mixing polyvinyl alcohol in the presence of an organic plasticizer and water in a quantity which is insufficient to dissolve the polyvinyl alcohol under normal conditions, includes the steps of: i) ... | 10/31/1995 |
| 5462980 | Film-forming, starchy, polymeric composition and shaped articles, particularly films and sheets, which can be produced from the composition and have a good barrier effect, and a method of producing the articles The film-forming polymeric compositions described include a synthetic, thermoplastic polymer and a starchy material, with a high amylopectin content; they enable the production of films, sheets and the like having good liquid- and gas-barrier effects and ... | 10/31/1995 |
| 5460882 | Multifilament yarns of thermoplastic polymers based on tetrafluoroethylene, and drawn multifilament yarns obtained therefrom A multifilament yarn of a thermoplastic polymer based on tetrafluoroethylene, having high mechanical strength and dimensional stability at high temperatures (200°-250° C.), is prepared by melt extrusion through a die characterized by a hole density comp... | 10/24/1995 |
| 5453468 | Prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross-linking agents for epoxy prepolymers The invention relates to two classes of prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross-linking agents for epoxy prepolymers. The first class contains anhydride-derived end groups; the second lactone-deriv... | 09/26/1995 |
| 5445805 | Large potassium bicarbonate crystals and process for the preparation thereof A large size, small surface area, granular crystalline potassium bicarbonate product suitable for application as an active ingredient in pharmaceutical oral unit dosage forms useful for the treatment of various degenerative bone and cardiovascular disease... | 08/29/1995 |
| 5443839 | Liposomes containing scutellaria extracts A composition having anti-inflammatory, anti-allergic or anti-aging activity comprising hydrated lipidic lamellar phases or liposomes containing an extract of Scutellaria and a method for treating inflammation, allergies or aging by topical administration... | 08/22/1995 |
| 5441655 | Phosphazene derivatives and use of same as stabilizers for oils and greases based on perfluoropolyethers New phosphazene derivatives, fully substituted by aromatic groups and perfluoropolyethereal chains, are utilized as stabilizers for oils and greases based on perfluoropolyethers. Such derivatives inhibit the degradation process affecting the perfluoropoly... | 08/15/1995 |
| 5435977 | Acid gas removal system employing regenerator with internal flash section An acid gas removal process employing a regenerator with an internal flash section is described. The regenerator uses gravitational flow to feed the flash section, eliminating the need for an external flash tank, and charge pump even without vacuum. The i... | 07/25/1995 |
| 5434229 | Radical (co)polymerization process of fluorinated olefinic monomers Branched aliphatic hydrocarbons, having from 6 to 25 carbon atoms and a ratio between the number of methyl groups and the number of carbon atoms higher than 0.5, are used in radical (co)polymerization processes of fluorinated olefinic monomers, optionally... | 07/18/1995 |
| 5430231 | Process for the disposal of chlorinated organic products by sulphonation or nitration and subsequent oxidation A process for the disposal of chlorinated organic products, wherein said products are first treated with a sulphonating or nitrating agent, and then are oxidized with an aqueous solution of H2 O2, in the presence of Fe(II) ions as ca... | 07/04/1995 |
| 5424438 | Polishes for metal surfaces containing cationic emulsifiers, and cationic emulsifiers contained therein Polishes for metal surfaces, based on dispersions of waxes, fluorinated polymers and perfluoropolyoxyalkylene oils acquire high gloss characteristics combined with improved water-repellency and resistance to soiling of 0.1-5% by weight of at least a catio... | 06/13/1995 |
| 5412005 | Biodegradable polymeric compositions based on starch and thermoplastic polymers The biodegradable polymeric compositions comprise a starch based component and a polymeric component comprising polymers of hydroxyacids or mixtures thereof with polymers deriving from ethylenically unsaturated monomers, particularly polymers of ethylene-... | 05/02/1995 |
| 5403805 | Ruthenium-based catalyst for producing lower polyhydric alcohols A ruthenium-based hydrogenation catalyst, particularly but not exclusively for hydrogenolysis under pressure of higher polyhydric alcohols, comprises ruthenium supported on granular activated carbon, and has: a specific surface area of from 600 to 1000 m2... | 04/04/1995 |
| 5401706 | Desiccant-coated substrate and method of manufacture Desiccant-coated substrates, regeneratable rotary dehumidification wheels and other devices for gas (e.g., air) treatment using those substrates, and processes for making them are disclosed. The substrates may have coatings in thicknesses of from about 2 ... | 03/28/1995 |
| 5401435 | Process for increasing the bleaching efficiency of an inorganic persalt or of hydrogen peroxide A process for increasing the bleaching efficiency of an inorganic persalt or hydrogen peroxide by adding to said persalt or H2 O2 an activating agent. The activating agent is an acetylated gluconic acid derivative, such as N-methyl-N... | 03/28/1995 |
| 5399779 | Process for preparing perfluoro-2-methyl-4-methoxypentane Perfluoro-2-methyl-4-methoxypentane is prepared with high selectivity by reacting perfluoro-4-methyl-2-pentene with CF3 OF at a temperature ranging from -40° to +50°. The reaction is preferably carried out by continuously bubbling a gaseous C... | 03/21/1995 |
| 5395657 | Process for imparting oil- and water-repellency to the surface of porous ceramic materials Oil- and water-repellency is imparted to the surface of a porous ceramic material, in particular of "cotto", by applying a phosphoric monoester having formula: ##STR1## where: L is a divalent organic group; m=1; Y is --F or --CF3 ; Z+... | 03/07/1995 |
| 5391672 | Alpha-olefin polymers with syndiotactic structure Syndiotactic polymers of alpha-olefins selected from the group consisting of 1-butene, 4-methyl-1-pentene and 4-methyl-1-hexene and a method of preparation thereof by polymerizing said olefins with catalysts obtained from specific Zr or Hf cyclopentadieny... | 02/21/1995 |