Cellulose Ether Or Cellulose Ester (e.g., Cellulose Nitrate, Carboxymethylcellulose, Etc.) Patents (Class 508/219)
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Publication number: 20140213662Abstract: Polymeric porous particles have a continuous solid phase and at least two sets of discrete pores that are isolated from each other within the continuous phase and that have different average sizes. One set of discrete pores has a larger average size than another set of discrete pores by at least 50%. At least one set of discrete pores is free of detectably different marker materials. There porous particles can be prepared using evaporative limited coalescence techniques with especially chosen discrete pore stabilizing hydrocolloids to protect the pores during formation and to provide the different average sizes.Type: ApplicationFiled: January 25, 2013Publication date: July 31, 2014Inventors: David Charles Boris, Teresa Joy Hosmer, Mridula Nair
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Publication number: 20130150272Abstract: Lactone/alkylene oxide polymers are useful as additives to inhibit or prevent the deposition of paraffin in hydrocarbon fluids, particularly crude oil produced from a subterranean formation. These polymers are random or block polymers made from addition reactions of a hydroxyl- and/or amine-containing base compound with at least one lactone monomer and at least one alkylene oxide monomer. In one non-limiting embodiment the lactone monomer is optional.Type: ApplicationFiled: December 11, 2012Publication date: June 13, 2013Applicant: Baker Hughes IncorporatedInventors: Jennifer Louise Sonne, Matthew Hilfiger
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Publication number: 20130108870Abstract: Micronized polymers suitable for use in fuels and lubricants having a particle size distribution of less than 30 microns obtained from water-soluble solid organic polymers is provided. A water-soluble solid organic polymer having a number average molecular weight in the range of 1000 to 200,000 is subjected to a molecular segmentation in a polar solvent in a polymer to solvent ratio in the range of 1:1 to 1:10 to produce a micronized polymer having a particle size distribution of less than 30 microns.Type: ApplicationFiled: October 29, 2012Publication date: May 2, 2013Applicant: SHELL OIL COMPANYInventor: SHELL OIL COMPANY
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Publication number: 20130071590Abstract: Compositions are disclosed containing a solvated viscoelastic polymeric gel diluted into an ionically conductive aqueous solution which can be usefully applied to any surface that is hydrophobic to act, for example, as an antifogging coating with minimal optical distortion and excellent transparency. The compositions can also be used as lubricious agents on medical implants, shunts, and surgical supplies to minimize tissue trauma, to maximize bio-compatibility, and to increase healing by enhancing better irrigation and flow in adjacent tissue.Type: ApplicationFiled: November 12, 2012Publication date: March 21, 2013Applicant: Arizona Board of Regents, a body corporate acting for and on behalf of Arizona State UniversityInventor: Arizona Board of Regents, a body corporate acting
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Patent number: 8047506Abstract: The present invention is directed to an apparatus for distributing a cable-pulling composition onto a cable as it is being pulled through a conduit. In one embodiment, the cable pulling composition is a block of an enhanced composition, e.g., consisting essentially of boron nitride that facilitates the pulling of cables through conduits. The invention further relates to a method for pulling cables through conduits by applying an effective amount of boron nitride composition onto the cable surface through the use of the cable-pulling apparatus of the invention.Type: GrantFiled: November 1, 2006Date of Patent: November 1, 2011Assignee: Momentive Performance Materials Inc.Inventors: Joerg Student, Rickson Sun, Andy Switky, Jesse Fourt, Mian Ding, Chunlin Yao
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Patent number: 7851419Abstract: This invention relates to personal lubricant compositions that are capable of being sprayed to a targeted area while maintaining lubricity.Type: GrantFiled: April 13, 2006Date of Patent: December 14, 2010Inventors: Nawaz Ahmad, Cheng-Ji Cui, Michael Eknoian, Russel Walters, Joseph James Librizzi, H. Michael Moscherosch, Bryant Ison, Stephen J. Mohary
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Patent number: 7816306Abstract: The present invention provides a lubricant composition for hot forming which makes it possible to provide lubricity at 80° C. or more without being peeled or washed by the roll cooling water, and which is easily washed under 40° C. without having water resistance. The lubricant composition for hot forming of the present invention comprises: a solid lubricant from 10 to 40% by mass; water-dispersible synthetic resin from 5 to 20% by mass; inorganic acid amine salt from 0.5 to 5% by mass; and water from 45 to 80% by mass.Type: GrantFiled: December 9, 2004Date of Patent: October 19, 2010Assignee: Sumitomo Metal Industries, Ltd.Inventors: Kenichi Sasaki, Sumio Iida, Shizuo Mori, Kazuo Tanaka
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Patent number: 7276467Abstract: The disclosed invention provides a composition that possesses insulation values approaching that of uncompressed foam neoprene. The liquid composition is incompressible and may be formulated to be neutrally buoyant in water. The composition is suitable for a use in a number of applications where insulation is required, including divers' suits and underwater cabins, such as chambers, submersible hulls, and waterproof housings.Type: GrantFiled: September 7, 2001Date of Patent: October 2, 2007Assignee: Southwest Research InstituteInventors: Marshall L. Nuckols, Jerry A. Henkener
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Patent number: 7244695Abstract: According to the invention there is provided a method of reducing wear of one or both of two steel elements having surfaces in sliding or sliding-rolling contact. The method involves applying an HPF friction control composition to one, or more than one contacting surface of one or both of the two steel elements. In a particular example, the HPF friction control composition comprises a rheological control agent, a lubricant, a friction modifier, and one, or more than one of a retentivity agent, an antioxidant, a consistency modifier, and a freezing point depressant.Type: GrantFiled: May 2, 2003Date of Patent: July 17, 2007Assignee: Kelsan Technologies Corp.Inventor: Don T. Eadie
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Patent number: 7091161Abstract: An anti-seize compound is disclosed for use on surfaces of threaded connections made of speciality alloys such as high nickel or chrome ferrous alloys or other speciality alloys prone to galling under high stress conditions. The compound using a metal fluoride as the anti-seize film forming agent at least above about 5 wt %.Type: GrantFiled: May 14, 2003Date of Patent: August 15, 2006Assignee: Jet-Lube, Inc.Inventors: Donald A. Oldiges, Jr., Herschel McDonald, Tom Blake, Kevin Stroup, Don A. Oldiges, III
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Patent number: 7045489Abstract: According to the invention there is provided a liquid friction control composition characterized as either having a high and positive friction characteristic or a low and neutral friction characteristic, comprising a retentivity agent. The liquid friction control composition may also comprise other components such as a solid lubricant, a wetting agent, a consistency modifier, and a preservative. The liquid friction control compositions may be used to modify the interfacial friction characteristics in sliding and rolling-sliding contact such as steel wheel-rail systems including mass transit and freight systems.Type: GrantFiled: September 28, 2001Date of Patent: May 16, 2006Assignee: Kelsan Technologies Corp.Inventors: John Cotter, Donald T. Eadie, Kelvin Spencer Chiddick
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Patent number: 7005408Abstract: This invention relates to substantially anhydrous warming, non-toxic and nonirritating lubricating compositions containing polyhydric alcohols and an insulating agent. The invention also relates to methods of using such compositions for lubrication, administration of active ingredients and for preventing or treating dysmenorrhea.Type: GrantFiled: May 1, 2002Date of Patent: February 28, 2006Assignee: McNeil-PPC, Inc.Inventors: Nawaz Ahmad, Ying Sun, Shun Y. Lin
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Patent number: 6960555Abstract: A coating and bonding composition is disclosed which includes a suspending agent, bonding agent, thinning agent, and a particulate fluoride anti-seize agent designed to bond a particulate fluoride film to the thread surface to prevent seizing and galling. A anti-seize lubricating composition is also disclosed where an environmentally friendly lubricating composition is applied as a top coat to the bonding composition and to methods for making and using the compositions.Type: GrantFiled: May 15, 2003Date of Patent: November 1, 2005Assignee: Jet-Lube, IncInventors: Joseph Anthony, Herschel McDonald, Donald Oldiges
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Patent number: 6855673Abstract: According to the invention there is provided a liquid friction control composition for use in low temperature conditions, which comprises a rheological control agent, a consistency modifier and a freezing point depressant. The liquid friction control composition may also comprise other components such as a retentivity agent, an antioxidant, a friction modifier, a lubricant, a wetting agent, and a preservative.Type: GrantFiled: November 8, 2002Date of Patent: February 15, 2005Assignee: Kelsan Technologies CorporationInventors: John Cotter, Don Eadie
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Patent number: 6759372Abstract: According to the invention there is provided a liquid friction control composition with enhanced retentivity comprising an anti-oxidant. The liquid friction control composition may also comprise other components such as a retentivity agent, a rheological control agent, a friction modifier, a lubricant, a wetting agent, a consistency modifier, and a preservative.Type: GrantFiled: April 12, 2002Date of Patent: July 6, 2004Assignee: Kelsan Technologies Corp.Inventor: John Cotter
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Publication number: 20040092407Abstract: According to the invention there is provided a liquid friction control composition for use in low temperature conditions, which comprises a rheological control agent, a consistency modifier and a freezing point depressant. The liquid friction control composition may also comprise other components such as a retentivity agent, an antioxidant, a friction modifier, a lubricant, a wetting agent, and a preservative.Type: ApplicationFiled: November 8, 2002Publication date: May 13, 2004Applicant: Kelsan Technologies CORP.Inventors: John Cotter, Don Eadie
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Publication number: 20040053790Abstract: According to the invention there is provided a liquid friction control composition characterized as either having a high and positive friction characteristic or a low and neutral friction characteristic, comprising a retentivity agent. The liquid friction control composition may also comprise other components such as a solid lubricant, a wetting agent, a consistency modifier, and a preservative. The liquid friction control compositions may be used to modify the interfacial friction characteristics in sliding and rolling-sliding contact such as steel wheel-rail systems including mass transit and freight systems.Type: ApplicationFiled: October 9, 2003Publication date: March 18, 2004Inventors: John Cotter, Donald T. Eadie, Kelvin Spencer Chiddick
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Publication number: 20030195123Abstract: According to the invention there is provided a liquid friction control composition with enhanced retentivity comprising an anti-oxidant. The liquid friction control composition may also comprise other components such as a retentivity agent, a rheological control agent, a friction modifier, a lubricant, a wetting agent, a consistency modifier, and a preservative.Type: ApplicationFiled: April 12, 2002Publication date: October 16, 2003Applicant: Kelsan Technologies Corp.Inventor: John Cotter
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Patent number: 6576598Abstract: Compositions and methods for ballistic conditioning firearm projectiles, firearms, and firearm components such as bores of barrels, by applying to such items a conditioning composition selected from the group consisting of hexagonal boron nitride, graphite, tungsten disulfide, antimony trioxide, talc, mica, and mixtures thereof, suspended in a carrier comprising a volatile solvent, and a binder selected from the group consisting of cellulosic-, alkyd- and acrylic-resins.Type: GrantFiled: August 22, 2001Date of Patent: June 10, 2003Inventor: David Thomas Brown
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Publication number: 20030078170Abstract: Compositions and methods for ballistic conditioning firearm projectiles, firearms, and firearm components such as bores of barrels, by applying to such items a conditioning composition selected from the group consisting of hexagonal boron nitride, graphite, tungsten disulfide, antimony trioxide, talc, mica, and mixtures thereof, suspended in a carrier comprising a volatile solvent, and a binder selected from the group consisting of cellulosic-, alkyd- and acrylic-resins.Type: ApplicationFiled: August 22, 2001Publication date: April 24, 2003Inventor: David Thomas Brown
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Patent number: 5597786Abstract: A lubricant for plastic working contains 0.01-40 wt % of an alkali metal salt of an alicyclic polyvalent carboxylic acid, 0.01-20 wt % of a water-soluble polymeric compound, and 0.01-40 wt % of a thermosetting resin powder with an average particle size of 0.1-20 .mu.m or 0.01-40 wt % of an epoxy resin powder with an average particle size of 0.1-20 .mu.m and 0.01-40 wt % of a curing agent, with the remainder water.Type: GrantFiled: May 30, 1995Date of Patent: January 28, 1997Assignee: Nicca Chemical Co., Ltd.Inventors: Humitaka Itoh, Toru Makino, Masayasu Katoh, Toshio Gensho