Patents by Inventor Raymond A. Yourd
Raymond A. Yourd has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20060258762Abstract: The present invention provides a rigid polyurethane foam formed by the reaction product, at an isocyanate index of about 160 or less, of a polyisocyanate, a polyol component containing an aromatic polyester polyol, and a sucrose-initiated polyether polyol and a flame retardant component made from a chlorine-containing combustion modifier and a bromine-containing combustion modifier in the presence of a hydrocarbon or hydrofluorocarbon blowing agent. The inventive polyurethane foam contains, based on the weight of the foam, at least about 3 wt. % chlorine, from about 1 wt. % to about 2 wt. % bromine and less than about 1 wt. % phosphorus, and exhibits good properties, good processing and good adhesion to metal whilst satisfying the ASTM E-84 Class I burn requirement.Type: ApplicationFiled: May 13, 2005Publication date: November 16, 2006Inventors: Michael Dobransky, Raymond Yourd, Patricia Wilson
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Patent number: 6831110Abstract: Rigid foams are made by reacting a polyisocyanate with an isocyanate-reactive composition which includes at least one isocyanate-reactive compound, preferably, an amine-initiated polyol and more preferably, an amine-initiated polyether polyol and a second, different polyol in the presence of a blowing agent composition which includes water and a catalyst composition which includes two different blowing catalysts, preferably, pentamethyldiethylenetriamine and bis(2-dimethylamino-ethyl)ether.Type: GrantFiled: April 1, 2003Date of Patent: December 14, 2004Assignee: Bayer Polymers LLCInventors: Kerry A. Ingold, Raymond A. Yourd
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Publication number: 20040198856Abstract: Rigid foams are made by reacting a polyisocyanate with an isocyanate-reactive composition which includes at least one isocyanate-reactive compound, preferably, an amine-initiated polyol and more preferably, an amine-initiated polyether polyol and a second, different polyol in the presence of a blowing agent composition which includes water and a catalyst composition which includes two different blowing catalysts, preferably, pentamethyldiethylenetriamine and bis(2-dimethylamino-ethyl)ether.Type: ApplicationFiled: April 1, 2003Publication date: October 7, 2004Inventors: Kerry A. Ingold, Raymond A. Yourd
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Patent number: 5605961Abstract: A thermoplastic, resinous mixture, useful in the preparation of compatible blends of polyurethane with polyolefins, is disclosed. The mixture contains(i) a thermoplastic polyurethane, and(ii) an agent which is the product of the reaction between a polyamide and a modified polyolefin.The inventive mixture may be used as a component in thermoplastic molding compositions which contain a polyolefin, preferably polypropylene. Improved mechanical properties characterize the molding compositions thus prepared.Type: GrantFiled: June 6, 1995Date of Patent: February 25, 1997Assignee: Bayer CorporationInventors: Bin Lee, H. Pielartzik, Robert J. Kumpf, Clifford J. Lau, Raymond A. Yourd, Jeffrey S. Wiggins
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Patent number: 5414054Abstract: A thermoplastic copolycarbonate resin having improved low temperature impact strength and a process for the preparation of the resin are disclosed. Accordingly the structure of the copolycarbonate contains(i) units of the formula ##STR1## wherein D is a divalent residue of a dihydroxy compound, and (ii) units of the formula ##STR2## wherein m is 1-90, n is 5-300, R is an alkyl or a phenyl radical p is 2-12 and q is 2-20. The preparation of the copolycarbonate entails reactive blending of polycarbonate with a suitable lactone siloxane copolymer in the presence of a transesterification catalyst.Type: GrantFiled: June 1, 1994Date of Patent: May 9, 1995Assignee: Miles Inc.Inventors: Erik H. Jonsson, Rick L. Archey, Robert J. Kumpf, Aaron D. Meltzer, Harald Pielartzik, Raymond A. Yourd
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Patent number: 4965158Abstract: Disclosed is an improved toner composition comprised of resin particles, pigment particles, and present on the surface thereof additives comprised of a charge enhancing component sorbed on a flow aid composition.Type: GrantFiled: December 7, 1989Date of Patent: October 23, 1990Assignee: Xerox CorporationInventors: Robert J. Gruber, Raymond A. Yourd, III, Paul C. Julien, Steven B. Bolte, John F. Knapp
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Patent number: 4879199Abstract: Disclosed is an improved stable colored toner composition comprised of resin particles, colloidal silica additive particles, and colored pigment particles; and wherein each of the toners are encapsulated in a continuous shell from about 1 to about 30 percent by weight of a waxy substance with a molecular weight of from about 500 to about 20,000.Type: GrantFiled: October 20, 1988Date of Patent: November 7, 1989Assignee: Xerox CorporationInventors: Robert J. Gruber, Raymond A. Yourd, III, Paul C. Julien, John F. Knapp, Steven B. Bolte
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Patent number: 4876169Abstract: A toner composition comprised of particles of a polyester with siloxane block segments therein, which particles have incorporated therein release additives.Type: GrantFiled: October 24, 1988Date of Patent: October 24, 1989Assignee: Xerox CorporationInventors: Robert J. Gruber, Raymond A. Yourd, III, Shadi L. Malhotra, Robert A. Nelson, Carol A. Fox, Thomas R. Hoffend
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Patent number: 4814253Abstract: Disclosed is an encapsulated toner composition comprised of (1) domains containing a polymer component having dispersed therein a release composition; and thereover (2) a host resin component comprised of toner resin particles and pigment particles.Type: GrantFiled: October 29, 1987Date of Patent: March 21, 1989Assignee: Xerox CorporationInventors: Robert J. Gruber, Raymond A. Yourd, III, Shadi L. Malhotra, John G. Vandusen
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Patent number: 4672018Abstract: Disclosed is a process for affecting a reduction in fusing energy and permitting minimal image de-enhancement which comprises (1) providing a toner composition with toner resin particles, and pigment particles; (2) affecting spheroidization of the aforementioned toner composition; (3) incorporating the spheroidized toner composition into a xerographic imaging apparatus with a flash fusing device incorporated therein; (4) generating an electrostatic latent image in the imaging apparatus; (5) developing the image formed with the spherical toner composition; (6) transferring the image to a supporting substrate; and (7) permanently affixing the image thereto with energy emitted from a flash fusing device.Type: GrantFiled: December 16, 1985Date of Patent: June 9, 1987Assignee: Xerox CorporationInventors: John S. Berkes, Raymond A. Yourd, III, Ronald J. Koch
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Patent number: 4663409Abstract: Inclusion of carbonyl modified amino acid monomers in polymeric compositions for biomedical applications, including contact lenses, increases the water content and oxygen permeability of the polymer without significant changes in other desirable properties of the polymer.Type: GrantFiled: December 24, 1984Date of Patent: May 5, 1987Assignee: Bausch & Lomb IncorporatedInventors: Gary D. Friends, Richard C. Chromecek, Raymond A. Yourd, III
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Patent number: 4604338Abstract: Disclosed is an improved positively charged dry electrostatic colored toner composition comprised of first resin particles; crosslinked second resin particles; colored pigment particles excluding black; and selected from the group consisting of cyan, magenta, yellow, blue, red, and brown; a low molecular weight wax; and a charge enhancing additive selected from the group consisting of alkyl pyridinium halides, organic sulfonate compositions and organic sulfate compositions of the following formulas: ##STR1## wherein R is a hydrocarbon group containing from about 8 to about 22 carbon atoms, and A is an anion; ##STR2## wherein R.sub.1 is an alkyl group of from about 12 carbon atoms to about 22 carbon atoms, R.sub.2 and R.sub.3 are independently selected from alkyl groups containing from about 1 carbon atom to about 5 carbon atoms, R.sub.4 is an alkylene group of from about 1 carbon atom to about 5 carbon atoms, R.sub.Type: GrantFiled: August 9, 1985Date of Patent: August 5, 1986Assignee: Xerox CorporationInventors: Robert J. Gruber, Raymond A. Yourd, III, Ronald J. Koch
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Patent number: 4537848Abstract: Disclosed are improved positively charged toner composition comprised of resin particles, pigment particles, and as a charge enhancing additive a phosphonium compound of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4, are selected from the group consisting of alkyl, aryl, substituted alkyl, and substituted aryl, and A is an anion.Type: GrantFiled: June 18, 1984Date of Patent: August 27, 1985Assignee: Xerox CorporationInventors: Raymond A. Yourd, III, Debesh Majumdar, Robert J. Gruber
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Patent number: 4493883Abstract: Disclosed are positively charged toner compositions comprised of resin particles, pigment particles, and imide charge enhancing additives of the formula: ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3, are alkyl groups containing from 1 carbon atom to about 25 carbon atoms, R.sub.4 is selected from the group consisting of hydrogen, nitro, halogen, amino, and alkyl and A is an anion.Type: GrantFiled: February 21, 1984Date of Patent: January 15, 1985Assignee: Xerox CorporationInventors: Robert J. Gruber, Doretta Agostine, Paul C. Julien, Raymond A. Yourd, III
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Patent number: 4482620Abstract: This invention relates to improved positively charged toner compositions for use in developing electrostatic images contained in electrostatographic imaging devices wherein fusing is accomplished with a fuser roll fabricated from lead oxide and a vinylidene fluoride hexafluoropropylene copolymer, which composition is comprised of resin particles, pigment particles, and as the charge enhancing additive present in an amount of from about 0.1 percent by weight to about 10 percent by weight, a pyridinium tetrafluoroborate of the following formula: ##STR1## wherein R.sub.1 is an alkyl group containing from about 1 carbon atom to about 22 carbon atoms, and R.sub.2 is an alkyl group containing from about 1 carbon atom to about 8 carbon atoms, or a halogen, and n is zero or 1.Type: GrantFiled: March 12, 1984Date of Patent: November 13, 1984Assignee: Xerox CorporationInventors: Robert J. Gruber, Paul C. Julien, Raymond A. Yourd, III
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Patent number: 4464452Abstract: Developer composition with a negative charge enhancing additive is disclosed.Type: GrantFiled: May 2, 1983Date of Patent: August 7, 1984Assignee: Xerox CorporationInventors: Robert J. Gruber, Paul C. Julien, Raymond A. Yourd, III
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Patent number: 4454214Abstract: This invention relates to improved positively charged toner compositions for use in developing electrostatic images contained in electrostatographic imaging devices wherein fusing is accomplished with a fuser roll fabricated from lead oxide and a vinylidene fluoride hexafluoropropylene copolymer, which composition is comprised of resin particles, pigment particles, and as the charge enhancing additive present in an amount of from about 0.1 percent by weight to about 10 percent by weight, a pyridinium tetrafluoroborate of the following formula: ##STR1## wherein R.sub.1 is an alkyl group containing from about 1 carbon atom to about 22 carbon atoms, and R.sub.2 is an alkyl group containing from about 1 carbon atom to about 8 carbon atoms, or a halogen, and n is zero or 1.Type: GrantFiled: December 3, 1982Date of Patent: June 12, 1984Assignee: Xerox CorporationInventors: Robert J. Gruber, Paul C. Julien, Raymond A. Yourd, III
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Patent number: 4440919Abstract: Low N-vinyl lactam content copolymers are cross-linked with resonance free di(alkene tertiary amine) cyclic compounds to obtain biomedical devices, including soft contact lenses, which have good oxygen permeability and mechanical properties.Type: GrantFiled: November 12, 1981Date of Patent: April 3, 1984Assignee: Bausch & Lomb IncorporatedInventors: Richard C. Chromecek, Gary D. Friends, Lawrence Y. Wissman, Raymond A. Yourd, III
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Patent number: 4436887Abstract: N-vinyl lactam monomers and comonomers are cross-linked with resonance free di(alkene tertiary amine) cyclic compounds to obtain biomedical devices, including contact lenses, which have high oxygen permeability and good mechanical properties.Type: GrantFiled: November 12, 1981Date of Patent: March 13, 1984Assignee: Bausch & Lomb IncorporatedInventors: Richard C. Chromecek, Gary D. Friends, Lawrence Y. Wissman, Raymond A. Yourd, III