Patents by Inventor Dwight Shamblee
Dwight Shamblee 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: 8278375Abstract: Mixtures of three types of linear, branched or cyclic phosphates are useful flame retardants, especially for thermoplastic resins or as functional additives in polymer matrices.Type: GrantFiled: July 5, 2006Date of Patent: October 2, 2012Assignee: Rhodia UK LimitedInventors: Vincent Schanen, Dwight Shamblee, Gleb Priimov, Julie Ann Salter
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Publication number: 20120123025Abstract: Mixtures of three types of linear, branched or cyclic phosphates are useful flame retardants, especially for thermoplastic resins or as functional additives in polymer matrices.Type: ApplicationFiled: July 5, 2006Publication date: May 17, 2012Applicant: Rhodia UK LimitedInventors: Vincent Schanen, Dwight Shamblee, Gleb Priimov, Julie Ann Salter
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Publication number: 20080103046Abstract: A method for making a plant growth regulator includes the step of reacting vinyl chloride with a phosphorous reagent.Type: ApplicationFiled: August 24, 2007Publication date: May 1, 2008Inventors: Francine Palmer, James Ellis, James Horn, Eugene Anderson, Dwight Shamblee, Gary Woodward
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Patent number: 7067076Abstract: The invention is directed to a phosphonate composition having flame retardant properties. The phosphonate composition of the invention has the general formula: wherein R1 and R2 are independently C1–C4 alkyl, R3 is H or C1–C4 alkyl, and R4 is linear or branched C9–C22 alkyl, C9–C22 cycloalkyl, C9–C22 aryl or C9–C22 aralkyl and n=0 or 1. The invention is also directed to a method of producing the phosphonate composition having flame retardant properties.Type: GrantFiled: July 29, 2004Date of Patent: June 27, 2006Assignee: Rhodia Inc.Inventors: Shiming Wo, Dwight Shamblee
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Patent number: 7034177Abstract: A process of producing cyanoalkyl tetraalkylphosphordiamidites at least substantially free of amine hydrohalide with improved storage stability.Type: GrantFiled: June 9, 2003Date of Patent: April 25, 2006Assignee: Rhodia IncInventors: Dwight Shamblee, Shiming Wo, Bing Wang
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Publication number: 20050038144Abstract: The invention is directed to a phosphonate composition having flame retardant properties. The phosphonate composition of the invention has the general formula: wherein R1 and R2 are independently C1-C4 alkyl, R3 is H or C1-C4 alkyl, and R4 is linear or branched C9-C22 alkyl, C9-C22 cycloalkyl, C9-C22 aryl or C9-C22 aralkyl and n=0 or 1. The invention is also directed to a method of producing the phosphonate composition having flame retardant properties.Type: ApplicationFiled: July 29, 2004Publication date: February 17, 2005Inventors: Shiming Wo, Dwight Shamblee
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Publication number: 20030236233Abstract: A process of producing cyanoalkyl tetraalkylphosphordiamidites at least substantially free of amine hydrohalide with improved storage stability.Type: ApplicationFiled: June 9, 2003Publication date: December 25, 2003Inventors: Dwight Shamblee, Shiming Wo, Bing Wang
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Patent number: 5273993Abstract: Methods of treating chronic arthritis and osteoporosis which utilize both known and novel compounds which would fall under the general formula:(HO)p--A--[--OS(O).sub.2 NR.sup.1 R.sup.2 ].sub.zwherein A encompasses a wide range of values including but not limited to aryl, loweralkyl, cycloalkyl, and carbohydrates including sucrose and fructose; p is equal to the number of unreacted hydroxy groups contained on the molecule and may be zero; z is the number of --OS(O).sub.2 NR.sup.1 R.sup.2 groups and is always at least one; R.sup.1 and R.sup.2 are selected from hydrogen, loweralkyl, carboxy and the like; a novel process for preparing the compounds is provided wherein an appropriate sulfamic acid aryl ester is reacted with a hydroxy substituted A radical which may or may not contain thereon protected carboxyl, amino or hydroxy substituents, in an aprotic solvent containing a tertiary amine base. Pharmaceutical compositions for the treatment of chronic arthritis and osteoporosis are also provided.Type: GrantFiled: November 19, 1992Date of Patent: December 28, 1993Assignee: A. H. Robins Company, IncorporatedInventors: Young S. Lo, Joseph C. Nolan, William J. Welstead, Jr., David A. Walsh, Dwight A. Shamblee, Ibrahim M. Uwaydah
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Patent number: 5194446Abstract: Methods of treating chronic arthritis and osteoporosis which utilize both known and novel compounds which would fall under the general formula:(HO)p--A--[--OS(O).sub.2 NR.sup.1 R.sup.2 ].sub.zwherein A encompasses a wide range of values including but not limited to aryl, loweralkyl, cycloalkyl, and carbohydrates including sucrose and fructose; p is equal to the number of unreacted hydroxy groups contained on the molecule and may be zero; z is the number of --OS(O).sub.2 NR.sup.1 R.sup.2 groups and is always at least one; R.sup.1 and R.sup.2 are selected from hydrogen, loweralkyl, carboxy and the like; a novel process for preparing the compounds is provided wherein an appropriate sulfamic acid aryl ester is reacted with a hydroxy substituted A radical which may or may not contain thereon protected carboxyl, amino or hydroxy substituents, in an aprotic solvent containing a tertiary amine base. Pharmaceutical compositions for the treatment of chronic arthritis and osteoporosis are also provided.Type: GrantFiled: July 24, 1991Date of Patent: March 16, 1993Assignee: A. H. Robins Company, IncorporatedInventors: Young S. Lo, Joseph C. Nolan, William J. Welstead, Jr., David A. Walsh, Dwight A. Shamblee, Ibrahim M. Uwaydah
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Patent number: 5192785Abstract: Sulfamate esters of the formula(HO).sub.p --A--[OSO.sub.2 NR.sup.1 R.sup.2 ].sub.zwhere A is aryloxyalkyl, p is the number of unreacted hydroxy groups present on the alkyl moiety and may be zero, z is the number of --OS(O).sub.2 NR.sup.1 R.sup.2 groups attached to carbons of the alkyl moiety and is always at least one; R.sup.1 and R.sup.2 are selected from hydrogen, loweralkyl, carboxy, and the like are useful in treating glaucoma.Type: GrantFiled: June 10, 1991Date of Patent: March 9, 1993Assignee: A. H. Robins Company, IncorporatedInventors: Young S. Lo, Joseph C. Nolan, Dwight A. Shamblee
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Patent number: 4966979Abstract: A novel process is described for preparing azetidine and 2 or 3 methyl and ethyl azetidine free bases by reacting primary arylmethylamine having suitable bulk providing substituents attached to the methyl carbon and an appropriate propane derivative having leaving groups in the one and three position in hot organic solvent containing a non-nucleophilic base and an amount of water sufficient to promote azetidine ring formation to give N-protected-azetidines and deprotecting by hydrogenolysis under acidic conditions to give an acid salt of the azetidines and thereafter flashing off vaporized azetidine from a hot, agitated strong base solution or slurry and condensing to give the liquid azetidine free bases.Type: GrantFiled: April 24, 1989Date of Patent: October 30, 1990Assignee: A. H. Robins Company, IncorporatedInventors: Young S. Lo, Dwight A. Shamblee, David H. Causey, Richard P. Mays
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Patent number: 4870189Abstract: A novel process is described for preparing azetidine and 2 or 3 methyl and ethyl azetidine free bases by reacting primary arylmethylamine having suitable bulk providing substituents attached to the methyl carbon and an appropriate propane derivative having leaving groups in the one and three position in hot organic solvent containing a non-nucleophilic base and an amount of water sufficient to promote azetidine ring formation to give N-protected-azetidines and deprotecting by hydrogenolysis under acidic conditions to give an acid salt of the azetidines and thereafter flashing off vaporized azetidine from a hot, agitated strong base solution or slurry and condensing to give the liquid azetidine free bases.Type: GrantFiled: January 28, 1987Date of Patent: September 26, 1989Assignee: A. H. Robins Company, IncorporatedInventors: Young S. Lo, Dwight A. Shamblee, David H. Causey, Richard P. Mays
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Patent number: 4503073Abstract: Novel 2-amino-3-(alkylthiobenzoyl)phenylacetic acids, esters and metal salts have the formula: ##STR1## wherein R is hydrogen or lower alkyl, R.sup.1 is hydrogen, lower alkyl or pharmaceutically acceptable metal cation, R.sup.2 is hydrogen, halogen, lower alkyl or lower alkoxy, Am is primary amino (--NH.sub.2), methylamino or dimethylamino. The compounds have anti-inflammatory activity; have effective analgesic activity, and inhibit blood platelet aggregation.Type: GrantFiled: November 22, 1983Date of Patent: March 5, 1985Assignee: A. H. Robins Company, IncorporatedInventors: David A. Walsh, Dwight A. Shamblee
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Patent number: 4313949Abstract: Novel 2-amino-3-benzoyl-phenylacetamides are provided having the formula: ##STR1## wherein R represents hydrogen or lower alkyl, R.sup.1 and R.sup.2 represent hydrogen, lower alkyl, cycloalkyl, phenyl and phenyl substituted by lower alkyl, lower alkoxy, halogen, nitro and trifluoromethyl, and R.sup.1 and R.sup.2 when taken together with the adjacent nitrogen may form a heterocyclic residue; X represents hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl; Y represents hydrogen, lower alkyl, lower alkoxy, halogen, trifluoromethyl, lower alkylthio, lower alkyloxythio or lower alkyldioxythio; Am is primary amino (--NH.sub.2), methylamino or dimethylamino, and n is 1 to 3 inclusive. The compounds exhibit anti-inflammatory, antipyretic, anti-blood platelet aggregation and analgetic pharmacological activities.Type: GrantFiled: February 17, 1981Date of Patent: February 2, 1982Assignee: A. H. Robins Company, Inc.Inventors: James R. Shanklin, Jr., Dwight A. Shamblee, David A. Walsh
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Patent number: 4254135Abstract: Cis and trans 3-amino-4-hydroxypyrrolidines and derivatives thereof are disclosed having the formula: ##STR1## wherein R.sub.1 is hydrogen, loweralkyl or phenylcarbonyl; R.sub.2 is hydrogen, loweralkyl, lowercycloalkyl, phenyl or phenylloweralkyl; R.sub.3 is hydrogen, loweralkyl, phenylloweralkyl, phenylcarbonyl, diphenylmethyl, 5-yl-10,11-dihydro-5H-dibenzo[a,d]cycloheptene or naphthylcarbonyl; R.sub.4 is hydrogen, loweralkyl, phenylloweralkyl or lowercycloalkyl; phenyl is optionally substituted and acid addition salts thereof. The compounds have antidepressant activity and methods and pharmaceutical compositions for use thereof are disclosed.Type: GrantFiled: October 16, 1979Date of Patent: March 3, 1981Assignee: A. H. Robins Company, Inc.Inventors: David A. Walsh, Dwight A. Shamblee