Patents by Inventor WALTER R. WHITE
WALTER R. WHITE 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).
-
Patent number: 11942681Abstract: A system for subsurface transmission includes an array of very low frequency (VLF) transmitter nodes supported by semi-autonomous maritime, airborne, or space platforms spaced at regular intervals from their nearest neighbors and phased to localize VLF coverage to some desired area on a body of water.Type: GrantFiled: March 21, 2023Date of Patent: March 26, 2024Assignee: HRL LABORATORIES, LLCInventors: Carson R. White, Walter S. Wall
-
Publication number: 20030020042Abstract: A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C4-C6 hydrocarbon blowing agent, and an oxyethylated fatty alcohol compatibilizing agent having an HLB of from about 7 to about 12. The blowing agent is soluble in the polyol composition, thereby reducing the risks associated with such blowing agents in processes for making rigid polymer foam articles and providing rigid foams having good dimensional stability and improved insulation properties.Type: ApplicationFiled: August 20, 2002Publication date: January 30, 2003Inventors: Joe C. Wilson, Jimmy L. Patterson, James S. Dailey, Walter R. White, Robert E. Riley
-
Publication number: 20020169228Abstract: The present invention discloses a phase stable polyol blend composition containing a sucrose and dipropylene glycol co-initiated propylene oxide polyether polyol, a polyester polyol, a compatibilizing agent and a hydrocarbon blowing agent. The polyester polyol is preferably a phthalic anhydride-initiated polyester polyol. The compatibilizing agent is a butanol-initiated propylene oxide polyether surfactant.Type: ApplicationFiled: March 9, 2001Publication date: November 14, 2002Inventors: Robert E. Riley, Walter R. White, Jim Patterson
-
Patent number: 6476091Abstract: The present invention discloses a polyol resin composition containing a polyether polyol blend, a polyester polyol, and a hydrocarbon blowing agent. The polyether polyol blend has at least a diamine initiated polyol, a propylene oxide polyol, and a polyethylene terephthalate initiated polyol having a functionality of from 2.3 to 3.0. The polyester polyol is preferably a phthalic anhydride initiated polyester polyol. The blowing agent is a C4-C6 hydrocarbon. Also disclosed is a method of producing a polyurethane foam combining the above mentioned polyol resin and an isocyanate component.Type: GrantFiled: November 28, 2001Date of Patent: November 5, 2002Assignee: BASF CorporationInventors: Walter R. White, III, Robert E. Riley, Jimmy L. Patterson, James A. Mullins
-
Patent number: 6472446Abstract: The present invention discloses a phase stable polyol blend composition containing a sucrose and dipropylene glycol co-initiated propylene oxide polyether polyol, a polyester polyol, a compatibilizing agent and a hydrocarbon blowing agent. The polyester polyol is preferably a phthalic anhydride-initiated polyester polyol. The compatibilizing agent is a butanol-initiated propylene oxide polyether surfactant.Type: GrantFiled: March 9, 2001Date of Patent: October 29, 2002Assignee: BASF CorporationInventors: Robert E. Riley, Walter R. White, III, Jim Patterson
-
Patent number: 6461536Abstract: A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C4-C6 hydrocarbon blowing agent, and an oxyethylated fatty acid or fatty alcohol compatibilizing agent having an HLB of from about 7 to about 12. The blowing agent is soluble in the polyol composition, thereby reducing the risks associated with such blowing agents in processes for making rigid polymer foam articles and providing rigid foams having good dimensional stability and improved insulation properties.Type: GrantFiled: February 5, 1999Date of Patent: October 8, 2002Assignee: BASF CorporationInventors: Joe C. Wilson, Jimmy L. Patterson, James S. Dailey, Walter R. White, III, Robert E. Riley
-
Publication number: 20020061967Abstract: The present invention discloses a polyol resin composition containing a polyether polyol blend, a polyester polyol, and a hydrocarbon blowing agent. The polyether polyol blend has at least a diamine initiated polyol, a propylene oxide polyol, and a polyethylene terephthalate initiated polyol having a functionality of from 2.3 to 3.0. The polyester polyol is preferably a phthalic anhydride initiated polyester polyol. The blowing agent is a C4-C6 hydrocarbon.Type: ApplicationFiled: November 28, 2001Publication date: May 23, 2002Applicant: BASF CorporationInventors: Walter R. White, Robert E. Riley, Jimmy L. Patterson, James A. Mullins
-
Patent number: 6348161Abstract: The present invention discloses a polyol resin composition containing a polyether polyol blend, a polyester polyol, and a hydrocarbon blowing agent. The polyether polyol blend has at least a diamine initiated polyol, a propylene oxide polyol, and a polyethylene terephthalate initiated polyol having a functionality of from 2.3 to 3.0. The polyester polyol is preferably a phthalic anhydride initiated polyester polyol. The blowing agent is a C4-C6 hydrocarbon. Also disclosed is a method of producing a polyurethane foam combining the above mentioned polyol resin and an isocyanate component.Type: GrantFiled: August 3, 2000Date of Patent: February 19, 2002Assignee: BASF CorporationInventors: Walter R. White, III, Robert E. Riley, Jimmy L. Patterson, James A. Mullins
-
Publication number: 20020010224Abstract: A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C4-C6 hydrocarbon blowing agent, and an oxyethylated fatty acid or fatty alcohol compatibilizing agent having an HLB of from about 7 to about 12. The blowing agent is soluble in the polyol composition, thereby reducing the risks associated with such blowing agents in processes for making rigid polymer foam articles and providing rigid foams having good dimensional stability and improved insulation properties.Type: ApplicationFiled: February 5, 1999Publication date: January 24, 2002Inventors: JOE C. WILSON, JIMMY L. PATTERSON, JAMES S. DAILEY, WALTER R. WHITE
-
Patent number: 6268402Abstract: A process for producing a rigid foam based on isocyanate comprises reacting an organic and/or modified organic polyisocyanate with a polyol composition and, optionally, a relatively low molecular weight chain extender or crosslinker in the presence of a catalyst, and, optionally, further auxiliaries and/or additives, wherein the polyol composition comprises a phthalic anhydride-initiated polyester polyol, a blowing agent comprising C4-C6 hydrocarbon, and a fatty acid or fatty alcohol ethoxylate compatibilizing agent. The blowing agent is soluble in the polyol composition, thereby reducing the risks associated with such blowing agents in processes for making rigid polymer foam articles and providing rigid foams having good dimensional stability and improved insulation properties.Type: GrantFiled: February 5, 1999Date of Patent: July 31, 2001Assignee: BASF CorporationInventors: Joe C. Wilson, Jimmy L. Patterson, James S. Dailey, Walter R. White, III, Robert E. Riley
-
Patent number: 6245826Abstract: An isocyanate-based rigid foam comprising the reaction product of an organic and/or modified organic polyisocyanate, a resin blend and, optionally, a relatively low molecular weight chain extender or crosslinker in the presence of a catalyst, and, optionally, further auxiliaries and/or additives, wherein the resin blend comprises a phthalic anhydride-initiated polyester polyol, a blowing agent comprising a C4-C6 hydrocarbon, and a fatty acid or fatty alcohol ethoxylate compatibilizing agent. The blowing agent is soluble in the polyol composition, thereby reducing the risks associated with such blowing agents in processes for making rigid polymer foam articles and providing rigid foams having good dimensional stability and improved insulation properties.Type: GrantFiled: February 5, 1999Date of Patent: June 12, 2001Assignee: BASF CorporationInventors: Joe C. Wilson, Jimmy L. Patterson, James S. Dailey, Walter R. White, III, Robert E. Riley
-
Patent number: 5684057Abstract: There is now provided a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition in the presence of a blowing agent, where the polyol composition contains at least:a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more; andc) an aromatic polyester polyol having an hydroxyl number of 200 meq. polyol/g KOH or more.The blowing agent is selected from the group consisting of cyclopentane, HFC's, HCFC's, and mixtures thereof in an amount of 5.0 weight percent or more based on the weight of the polyol composition. Preferably, the blowing agent is soluble in the polyol composition without sacrificing, and advantageously improving, the thermal insulation and dimensional stability of the resulting polyurethane foam.Type: GrantFiled: November 26, 1996Date of Patent: November 4, 1997Assignee: BASF CorporationInventors: Walter R. White, III, James A. Mullins, Thomas B. Lee, Keith McLellan, Ronald J. Wierzbicki
-
Patent number: 5677359Abstract: There is now provided a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition in the presence of a blowing agent, where the polyol composition contains at least:a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more; andc) an aromatic polyester polyol having an hydroxyl number of 200 meq. polyol/g KOH or more.The blowing agent is selected from the group consisting of cyclopentane, HFC's, HCFC's, and mixtures thereof in an amount of 5.0 weight percent or more based on the weight of the polyol composition. Preferably, the blowing agent is soluble in the polyol composition without sacrificing, and advantageously improving, the thermal insulation and dimensional stability of the resulting polyurethane foam.Type: GrantFiled: November 26, 1996Date of Patent: October 14, 1997Assignee: BASF CorporationInventors: Walter R. White, III, James A. Mullins, Thomas B. Lee, Keith McLellan, Ronald J. Wierzbicki
-
Patent number: 5648019Abstract: There is now provided a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition in the presence of a blowing agent, where the polyol composition contains at least:a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more; andc) an aromatic polyester polyol having an hydroxyl number of 200 meq. polyol/g KOH or more.The blowing agent is selected from the group consisting of cyclopentane, HFC's, HCFC's, and mixtures thereof in an amount of 5.0 weight percent or more based on the weight of the polyol composition. Preferably, the blowing agent is soluble in the polyol composition without sacrificing, and advantageously improving, the thermal insulation and dimensional stability of the resulting polyurethane foam.Type: GrantFiled: June 4, 1996Date of Patent: July 15, 1997Assignee: BASF CorporationInventors: Walter R. White, III, James A. Mullins, Thomas B. Lee, Keith McLellan, Ronald J. Wierzbicki
-
Patent number: 5547998Abstract: There is now provided storage stable polyol compositions and polyisocyanate based rigid dosed cell foam made by reacting an organic isocyanate with polyol compositions in the presence of a blowing agent, where the polyol composition contains at least:a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;and the blowing agent is at least cyclopentane in an amount of 7 weight percent or more based on the weight of the polyol composition; and further, the cyclopentane blowing agent is soluble in the polyol composition, and the amount of the aliphatic amine initiated polyoxyalkylene polyether polyol is 10 weight percent or less based on the weight of the polyol composition.Type: GrantFiled: November 1, 1995Date of Patent: August 20, 1996Assignee: BASF CorporationInventors: Walter R. White, III, James A. Mullins
-
Patent number: 5525641Abstract: There is now provided a method for making a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition made up of at least:a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more in an amount of 10 weight percent or less based on the weight of the polyol composition; andc) cyclopentane,wherein the cyclopentane is dissolved in the polyol composition. The organic isocyanate and the polyol composition are reacted at an isocyanate index ranging from 80 to less than 150, and throughout this isocyanate index range, the resulting foam has a substantially constant k-factor and is dimensionally stable.Type: GrantFiled: November 1, 1995Date of Patent: June 11, 1996Assignee: BASF CorporationInventors: Walter R. White, III, James A. Mullins
-
Patent number: 5523334Abstract: There is now provided a polyisocyanate based rigid closed cell foam made by reacting an organic isocyanate with a polyol composition in the presence of a blowing agent, where the polyol composition contains at least:a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;and the blowing agent is at least cyclopentane in an amount of 7 weight percent or more based on the weight of the polyol composition; and further, the cyclopentane blowing agent is soluble in the polyol composition, and the amount of the aliphatic amine initiated polyoxyalkylene polyether polyol is 10 weight percent or less based on the weight of the polyol composition.Type: GrantFiled: November 1, 1995Date of Patent: June 4, 1996Assignee: BASF CorporationInventors: Walter R. White, III, James A. Mullins