Patents Examined by Joan E. Welcome
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Patent number: 4153467Abstract: A method of ink jet printing by injecting ink through a fine nozzle and electrostatically deflecting the ink particles to print a symbol corresponding to a predetermined matrix, the improvement wherein said ink comprises a non-aqueous ink comprising a coloring agent and a mixture of formamide and an aliphatic monohydric alcohol.Type: GrantFiled: November 24, 1976Date of Patent: May 8, 1979Assignee: Dai Nippon Toryo Co., Ltd.Inventors: Hirofumi Yano, Noriaki Okamura, Tsunehiko Toyoda
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Patent number: 4147823Abstract: A marking ink for glass and ceramic substrates is disclosed which can be deposited from a liquid dispersion and heat-cured rapidly to provide an insoluble adherent film. The adhesive binder for the marking ink is an inorganic cement produced by heat-reaction between phosphoric acid and an aluminum salt of a weak organic acid to form an insoluble vitreous matrix in the final product. Various liquid dispersions for said marking ink are disclosed which are particularly suitable for application as indicia means upon the glass envelope of an electric lamp and can be applied during conventional lamp manufacture.Type: GrantFiled: June 17, 1977Date of Patent: April 3, 1979Assignee: General Electric CompanyInventor: Francois A. Lavallee
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Patent number: 4141745Abstract: A proteinaceous adhesive composition in which a dry mix comprised of protein, solubilizing agents and fillers is added to water containing tetrahydrofurfuryl alcohol at the time of use. The adhesive composition is especially useful in joining untreated and fire-retardant-treated porous substrates to fire-retardant-treated porous substrates as well as joining a porous substrate to a relatively non-porous substrate and provides advantages of good bond strength and increased assembly time.Type: GrantFiled: November 8, 1976Date of Patent: February 27, 1979Assignee: National Casein of New JerseyInventor: Carolyn N. Bye
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Patent number: 4133783Abstract: Thermosetting powder coating compositions comprising cellulose butyrate having a butyryl content of from about 35% to about 55% by weight, a hydroxyl content of from about 0.5% to about 3.0% by weight, and a viscosity of from about 0.05 to about 1.0 second are disclosed. The composition further comprises a crosslinking agent and a catalyst which allows the powder to flow out prior to fusion. Coatings formed by this composition have excellent physical properties and appearance.Type: GrantFiled: June 23, 1976Date of Patent: January 9, 1979Assignee: Eastman Kodak CompanyInventors: Richard J. Brewer, Peter M. Grant, Robert B. Taylor
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Patent number: 4130516Abstract: An asphalt composition having high ductility at low temperatures is obtained by hot-mixing asphalt and 3 to 7 wt. % of sulfur, based on the weight of asphalt, at temperatures below 300.degree. F. Small amounts of rubber further increase the ductility.Type: GrantFiled: April 12, 1976Date of Patent: December 19, 1978Assignee: Phillips Petroleum CompanyInventors: Duane W. Gagle, Homer L. Draper
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Patent number: 4126482Abstract: New polythiols-polyesters and corresponding polysulphides in the --SH group wherein sulphur is contained in the alcohol residue after the formation of esters. These polyesters are derived from aliphatic polyacids, saturated or not, wherein the molecule contains a minimum of 15 atoms of carbon. They are formulated by the action of a mercapto-alcanol on the corresponding polyacid, in a liquid which gives an azeotropic mixture with water. These products are useful as additives to asphalts, bituminous products, coatings, mastics and cements.Type: GrantFiled: October 22, 1976Date of Patent: November 21, 1978Assignee: Societe Nationale des Petroles d'AquitaineInventors: Jean Baptiste Signouret, Albert Nicolau
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Patent number: 4116709Abstract: A patch material for filling and sealing chuck holes in pavements comprises iron scale and aluminum particles, ground ceramic brick and/or blast furnace slag and pitch, the iron scale and aluminum particles producing metal when ignited and suitable temperatures to form a molten liquid containing the other materials.Type: GrantFiled: November 3, 1976Date of Patent: September 26, 1978Inventor: Michael Donald La Bate
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Patent number: 4111702Abstract: The disclosed paper-based feedback systems employ thermographic processes which transfer a pattern of vaporized reactant material such as dithiooxamide (DTO) or DTO derivatives to a treated or untreated paper-like receptor sheet to form a storable latent image, i.e. a hidden entry, on the sheet. The latent image can be developed weeks or months later with a co-reactant metal salt.Type: GrantFiled: January 11, 1973Date of Patent: September 5, 1978Assignee: Minnesota Mining and Manufacturing CompanyInventor: Robert D. Fraik
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Patent number: 4110118Abstract: A method is disclosed for accelerating the drying of offset inks. An additive composition comprising (a) 15 to 85 percent of functional amino polydimethylsiloxane and (b) 85 to 15 percent of a mixture of ethylene oxide and propylene oxide, wherein the ethylene oxide is present in an amount of from 15 to 85 percent with respect to the propylene oxide, is added to an offset printing ink.Type: GrantFiled: January 31, 1977Date of Patent: August 29, 1978Assignee: Salvat Editores, S. A.Inventors: Juan Salvat Dalmau, Manuel J. Lecha
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Patent number: 4108671Abstract: Dye-based inks include an improved organic vehicle consisting of the monoester of a dicarboxylic acid or anhydride with a monohydric or polyhydric alcohol. Because of the multiplicity of functional groups on the molecule, these vehicles show solvency characteristics for a wide variety of dye structures, including basic dyes, basic dye bases, and oil-soluble dyes.Type: GrantFiled: April 12, 1976Date of Patent: August 22, 1978Inventor: Milton Richlin
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Patent number: 4103350Abstract: Drum mix asphalt plant apparatus connected to a fiber filter dust collector for removing dust and other light particulate matter produced by operation of the drum mixer. Asphalt material is added to the drum mixer in a manner to minimize smoking of the asphalt material due to high temperature within the mixer, and the resulting dust and other fine particulate matter evolved from aggregate material within the drum mixer is withdrawn and collected in a fiber filter dust collector system such as a baghouse. The collected dust is returned to the drum mixer to be coated with asphalt material therein, so that the returned dust becomes admixed with the asphalt aggregate contents of the drum mixer.Type: GrantFiled: March 22, 1977Date of Patent: July 25, 1978Assignee: Astec Industries, Inc.Inventors: James Donald Brock, Erbie Gail Mize
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Patent number: 4097290Abstract: The invention relates to a ball-point writing instrument capable of writing with an intense colored or black line which is easily visible and readable and as permanent and eventually non-erasable as the best customary ball-pen ink traces, but which, in addition, is easily erasable by mechanical means for an initial period of about two to four hours as a normal graphite pencil trace, without the use of bleaches or chemicals. These properties are attained by the provision of a novel ink composition containing stated rubbers and volatile solvents which control erasability.Type: GrantFiled: March 26, 1976Date of Patent: June 27, 1978Assignee: The Gillette CompanyInventors: Frank Andrew Muller, Henry Peper, Jr.
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Patent number: 4097302Abstract: Silica flatting agents having improved flatting and settling characteristics and which impart improved mar resistance to certain coatings are prepared by treating a silica hydrogel in the absence of dispersion or emulsifying agents with up to 14 parts by weight of specific mixtures of microcrystalline waxes and synthetic waxes in the respective ratios of from 1:1.5 to 1:12.Type: GrantFiled: February 17, 1976Date of Patent: June 27, 1978Assignee: SCM CorporationInventors: Howard Joseph Cohen, Francis Michael Vojik
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Patent number: 4097297Abstract: An oil and water repellent barrier coating composition comprising a non-aqueous solution of:(A) a film forming polymer; and(B) a fluorochemical surface tension modifier is provided. Optionally the barrier coating composition can also contain a plasticizer. Such composition is useful in imparting oil, grease, and water repellency to cellulosic substrates such as paper, paperboard, cellophane, and wood and provides improved coatings for packaging and non-packaging materials.Type: GrantFiled: August 7, 1975Date of Patent: June 27, 1978Assignee: E. I. Du Pont de Nemours and CompanyInventor: Frederick J. Keene
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Patent number: 4094686Abstract: An additive for admixture with road surface preparation materials to prevent formation of ice and to melt snow on the finished road surface. The additive is distributed throughout the road surface and comprises coated particles of a halide, e.g. calcium chloride, coated particles of an alkali metal hydroxide, e.g. sodium hydroxide and a trace of coated or uncoated particles of calcium hydride, the coatings being of a water-tight inert substance such as linseed oil. These coatings are worn away at the road surface by traffic to expose the particles.Type: GrantFiled: November 24, 1976Date of Patent: June 13, 1978Assignee: Plastiroute S.A.Inventor: Robert Dubois
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Patent number: 4094697Abstract: There are provided improved asphalt cements and bituminous paving compositions containing certain reinforcing filler compositions which impart desirable properties thereto. The filler compositions of the invention are asphalt-dispersible pellets comprising certain carbon blacks which have been treated with certain non-volatile petroleum oils.Type: GrantFiled: May 16, 1977Date of Patent: June 13, 1978Assignee: Cabot CorporationInventor: Fritz S. Rostler
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Patent number: 4088505Abstract: There is disclosed herein oil-in-water anionic bituminous emulsions which comprise from about 30% to about 75% by weight of the emulsion of bitumen as the dispersed phase, and from about 0.1% to about 10.0% by weight of an anionic emulsifier consisting of an alkali metal salt of an alkali lignin, an ethylene oxide adduct of phenol, and water in an amount to make up 100% by weight as the continuous phase. Additionally, improved pumping times are obtained with the addition of from 1% to about 10% by weight of sodium borate.Type: GrantFiled: January 27, 1976Date of Patent: May 9, 1978Assignee: Westvaco CorporationInventor: Howard H. Moorer
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Patent number: 4077727Abstract: New ball point pen ink compositions are utilized to enhance the performance and very substantially extend the service life of ball pen ink cartridges by preventing the formation of an ink flow-blocking mass at the entrance to the brass or bronze nib or a mass which prevents the movement of the follower plug in a copper alloy cartridge. This is accomplished by dispersing in the ink proper one or more additives effective to prevent oxygen and moisture, which enter the cartridge and pass into the ink, from reacting with the metal constituents of the cartridge assembly to form metallic ions which react with ingredients of the ink proper in the formation of a flow-blocking mass.Type: GrantFiled: February 19, 1975Date of Patent: March 7, 1978Assignee: Gordon S. LacyInventors: Steven H. Kramer, Glenn F. Roquemore, James J. Joyce
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Patent number: 4077807Abstract: New ball point pen ink compositions are utilized to enhance the performance and very substantially extend the service life of ball pen ink cartridges by preventing the formation of an ink flow-blocking mass at the entrance to the brass or bronze nib or a mass which prevents the movement of the follower plug in a copper alloy cartridge. This is accomplished by dispersing in the ink an antioxidant compound and/or a corrosion inhibitor compound effective to prevent oxygen and moisture, which enter the cartridge and pass into the ink, from reacting with the ball point ink and the metal constituents of the cartridge assembly to form metallic ions which react with ingredients of the ink proper to form a flow-blocking crystal mass.Type: GrantFiled: June 28, 1976Date of Patent: March 7, 1978Assignee: Gordon S. LacyInventors: Steven H. Kramer, Glenn F. Roquemore, James J. Joyce
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Patent number: 4069284Abstract: The present invention relates to an anti-vibration heat-insulation structure and a process for the production thereof characterized by filling the void in the structure to form a heat-insulation layer with silicic acid bonding agent-coated silicic acid mineral grains which swell in volume when fired at a high temperature; and then heating and thereby expanding these silicic acid mineral grains and at the same time allowing said grains to stick to one another.Type: GrantFiled: January 22, 1973Date of Patent: January 17, 1978Assignee: Toyota Jidosha Kogyo Kabushiki KaishaInventors: Itaru Niimi, Yasuhisa Kaneko, Fumiyoshi Noda, Yuji Watanabe