Patents by Inventor Robert Joseph Statz
Robert Joseph Statz 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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Patent number: 7375151Abstract: A thermoplastic composition is provided, comprising (a) an acid copolymer, (b) a salt of a high molecular weight, monomeric organic acid; (c) a thermoplastic resin; (d) a cation source; and (e) optionally, a filler. Also provided are one-, two- and three-piece golf balls, and multi-layered golf balls comprising the composition of the invention.Type: GrantFiled: October 12, 2004Date of Patent: May 20, 2008Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Joseph Statz, John Chu Chen, John Francis Hagman
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Patent number: 6953820Abstract: Thermoplastics with high resilience (high coefficient of restitution) and softness (low Atti compressions) and their use in golf ball components. Melt-processible, highly-neutralized ethylene acid copolymers and process for making them by incorporating an aliphatic, mono-functional organic acid in the acid copolymer and then neutralizing greater than 90% of all the acid groups present.Type: GrantFiled: October 11, 2002Date of Patent: October 11, 2005Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Joseph Statz, John Chu Chen
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Patent number: 6815480Abstract: A thermoplastic composition of (a) an acid copolymer, (b) a salt of a high molecular weight, monomeric organic acid; (c) a thermoplastic polymer selected from copolyetheresters, elastomeric polyolefins, styrene diene block copolymers, elastomeric polyolefins thermoplastic polyurethanes and copolyetheramides; (d) cation source; and (d) optionally a filler. Also included is use of such compositions in components of one-, two- and three-piece golf balls or multi-layered golf balls made therefrom.Type: GrantFiled: September 22, 2001Date of Patent: November 9, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Joseph Statz, John C. Chen, John Francis Hagman
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Patent number: 6777472Abstract: Melt-processable, highly-neutralized ethylene, C3 to C8 &agr;,&bgr; ethylenically unsaturated carboxylic acid copolymers and process for making them. Copolymers are made by incorporating a C4 to less than a C36 aliphatic, mono-functional organic acid and neutralizing greater than 90% to 100% of the acid groups present concurrently with or subsequently to the incorporation of the organic acid.Type: GrantFiled: April 27, 2000Date of Patent: August 17, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Joseph Statz, John Chu Chen
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Patent number: 6743838Abstract: The present invention relates to polyepoxy-polymer-linked-asphalt having enhanced properties made by reacting a glycidyl-functionalized ethylene copolymer with reactive asphalt, wherein the glycidyl-functionalized ethylene copolymer has a glycidyl-containing comonomer content of 5 weight percent or less and relatively high number average molecular weight characterized by a melt index of 4 grams/10 minutes or less measured in accord with ASTM D1238-65T, Condition E.Type: GrantFiled: July 1, 2002Date of Patent: June 1, 2004Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Joseph Statz, Elizabeth R. Griffin
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Patent number: 6653382Abstract: Thermoplastics with high resilience (high coefficient of restitution) and softness (low Atti compressions) and their use in golf ball components. Melt-processible, highly-neutralized ethylene acid copolymers and process for making them by incorporating an aliphatic, mono-functional organic acid in the acid copolymer and then neutralizing greater than 90% of all the acid groups present.Type: GrantFiled: October 18, 2000Date of Patent: November 25, 2003Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Joseph Statz, John Chu Chen
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Publication number: 20030130434Abstract: Thermoplastics with high resilience (high coefficient of restitution) and softness (low Atti compressions) and their use in golf ball components. Melt-processible, highly-neutralized ethylene acid copolymers and process for making them by incorporating an aliphatic, mono-functional organic acid in the acid copolymer and then neutralizing greater than 90% of all the acid groups present.Type: ApplicationFiled: October 11, 2002Publication date: July 10, 2003Inventors: Robert Joseph Statz, John Chu Chen
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Publication number: 20030087997Abstract: The present invention relates to polyepoxy-polymer-linked-asphalt having enhanced properties made by reacting a glycidyl-functionalized ethylene copolymer with reactive asphalt, wherein the glycidyl-functionalized ethylene copolymer has a glycidyl-containing comonomer content of 5 weight percent or less and relatively high number average molecular weight characterized by a melt index of 4 grams/10 minutes or less measured in accord with ASTM D1238-65T, Condition E.Type: ApplicationFiled: July 1, 2002Publication date: May 8, 2003Inventors: Robert Joseph Statz, Elizabeth R. Griffin
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Publication number: 20020091188Abstract: A thermoplastic composition of (a) an acid copolymer, (b) a salt of a high molecular weight, monomeric organic acid; (c) a thermoplastic polymer selected from copolyetheresters, elastomeric polyolefins, styrene diene block copolymers, elastomeric polyolefins thermoplastic polyurethanes and copolyetheramides; (d) cation source; and (d) optionally a filler. Also included is use of such compositions in components of one-, two- and three-piece golf balls or multi-layered golf balls made therefrom.Type: ApplicationFiled: September 22, 2001Publication date: July 11, 2002Inventors: Robert Joseph Statz, John C. Chen, John Francis Hagman
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Patent number: 6197884Abstract: This invention is directed towards golf balls comprising at least a cover and a core, and optionally one or more intermediate layers, wherein the cover and/or the intermediate layer(s) are formed from a high crystalline copolymer or its ionomer derivatives and blends thereof, wherein the high crystalline copolymer is formed from an ethylene/carboxylic acid copolymer comprising about 5 to about 35 percent by weight acrylic or methacrylic acid, wherein the copolymer is polymerized at a temperature of about 130° C. to 200° C. at pressures of at least 20,000 psi to about 50,000 psi, wherein up to about 70 percent of the acid groups are neutralized with a metal ion.Type: GrantFiled: March 23, 1999Date of Patent: March 6, 2001Assignee: Acushnet CompanyInventors: Murali Rajagopalan, Robert Joseph Statz
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Patent number: 6100340Abstract: This invention is directed towards golf balls comprising at least a cover and a core, and optionally one or more intermediate layers, wherein the cover and/or the intermediate layer(s) are formed from a high crystalline copolymer or its ionomer derivatives and blends thereof, wherein the high crystalline copolymer is formed from an ethylene/carboxylic acid copolymer comprising about 5 to about 35 percent by weight acrylic or methacrylic acid, wherein the copolymer is polymerized at a temperature of about 130.degree. C. to 200.degree. C. at pressures of at least 20,000 psi to about 50,000 psi, wherein up to about 70 percent of the acid groups are neutralized with a metal ion.Type: GrantFiled: January 16, 1997Date of Patent: August 8, 2000Assignees: Acushnet Company, E.I. Dupont DeNemours & CompanyInventors: Murali Rajagopalan, Robert Joseph Statz
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Patent number: 5971869Abstract: The present invention relates to golf balls having a cover and a core and to golf balls having a cover, a core, and an intermediate layer between the cover and the core, where the core or at least one of the intermediate layer or the core is formed from at least one terpolymer of a first monomeric component of an olefinic monomer having from about 2 to about 8 carbon atoms, a second monomeric component of an unsaturated acrylate class ester having from about 2 to about 18 carbon atoms, and a third monomeric component of at least one monomer selected from the group consisting of carbon monoxide, anhydride monomers, and monomers having a structure according to the formula ##STR1## where R.sub.1 is hydrogen or a linear chain or branched chain alkyl group of from about 1 to about 18 carbon atoms, and R.sub.2 is selected from the group consisting of linear chain alkyl, branched chain alkyl, carbocyclic, and unsubstituted aryl groups, each containing an epoxy moiety.Type: GrantFiled: May 16, 1997Date of Patent: October 26, 1999Assignees: Acushnet Company, E. I. du Pont de Nemours and CompanyInventors: Murali Rajagopalan, Robert Joseph Statz
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Patent number: 5889114Abstract: Grafted thermoplastic elastomer compositions formed by melt blending of a minor proportion of a thermoplastic material having a high softening point with a minor proportion of a glycidyl-containing copolymer, followed by melt blending of the thermoplastic material/glycidyl-containing copolymer blend with a major proportion of an acid-containing ethylene copolymer have a unique combination of unexpectedly good high temperature properties, compression set resistance and/or rebound.Type: GrantFiled: February 23, 1993Date of Patent: March 30, 1999Assignee: E. I. du Pont de Nemours and CompanyInventor: Robert Joseph Statz
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Patent number: 5691418Abstract: Novel, soft, low modulus ethylene copolymer ionomer compositions containing an acrylate softening monomer, neutralized with magnesium or lithium ions possess a higher level of resilience at a given level of PGA Compressibility than known ionomers. The advantage is maintained in certain blend compositions with harder ionomers for blends having a neat-sphere PGA Compression below about 155. Both unblended and blended compositions will be useful as golf balls and components of golf balls, for one-piece balls, centers, cores and covers of golf balls.Type: GrantFiled: June 30, 1995Date of Patent: November 25, 1997Assignee: E. I. Du Pont de Nemours and CompanyInventors: John Francis Hagman, Robert Joseph Statz
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Patent number: RE37597Abstract: The invention is directed to a golf ball comprising a core and a cover, wherein the cover comprises a blend of at lest one olefinic ionomer and a terpolymer, said terpolymer comprising a first monomeric component comprising an olefinic monomer having from about 2 to about 8 carbon atoms, a second monomeric component selected from unsaturated acrylate class ester having from about 2 to about 18 carbon atoms; and, a third monomeric component comprising at least one monomer selected from the group consisting of carbon monoxide, anhydride monomers and monomers having a structure according to the following formula wherein R1 is hydrogen or a linear chain or branched chain alkyl group of from about 1 to about 18 carbon atoms and R2 is selected from the group consisting of linear chain or branched chain alkyl, substituted or unsubstituted carbocyclic and substituted aryl groups containing an epoxy, i.e., glycidyl moiety.Type: GrantFiled: October 1, 1999Date of Patent: March 19, 2002Assignee: Acushnet CompanyInventors: Murali Rajagopalan, Robert Joseph Statz