Patents by Inventor Charles G Carter
Charles G Carter 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: 10219880Abstract: Disclosed herein a dental mill blank and a method of forming the dental mill blank. The dental mill blank includes a first layer of a first hard restorative material having a first translucency and a first shade, a second layer of a second hard restorative material having a second translucency and a second shade, where at least one of the following is true (1) the first translucency is different from the second translucency, (2) the first shade is different from the second shade. The first layer and the second layer form a first interface having a first curve across a first plane of symmetry of the dental mill blank, where the first curve has a different from zero curvature; and a first straight line along the entire length of a second plane of the dental mill blank, the second plane being orthogonal to the first plane of symmetry.Type: GrantFiled: October 2, 2014Date of Patent: March 5, 2019Assignee: 3M Innovative Properties CompanyInventors: Jacqueline C. Rolf, Richard P. Rusin, Colin F. Norman, Melinda B. Gustafson, James D. Hamer, Charles G. Carter, Roxanne A. Boehmer, Brian N. Holmes, Tara Waldrop, Brady P. Haislet
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Publication number: 20160228222Abstract: The present disclosure provides for a dental mill blank and a method of forming the dental mill blank. The dental mill blank includes a first layer (102) of a first hard restorative material having a first translucency and a first shade, a second layer (104) of a second hard restorative material having a second translucency and a second shade, where at least one of the following is true: the first translucency is different from the second translucency, the first shade is different from the second shade. The first layer (102) and the second layer (104) form a first interface having a first curve (112) across a first plane of symmetry (114) of the dental mill blank, where the first curve (112) has a different from zero curvature; and a first straight line (122) along the entire length of a second plane (118) of the dental mill blank, the second plane (118) being orthogonal to the first plane of symmetry (114).Type: ApplicationFiled: October 2, 2014Publication date: August 11, 2016Inventors: Jacqueline C. Rolf, Richard P. Rusin, Colin F. Norman, Melinda B. Gustafson, James D. Hamer, Charles G. Carter, Roxanne A. Boehmer, Brian N. Holmes, Tara Waldrop, Brady P. Haislet
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Patent number: 6743469Abstract: Disclosed is a method for making a substrate coated with an adhesive, comprising applying an electron beam modifiable adhesive layer onto a repeatably reusable transfer surface, irradiating the adhesive layer with an electron beam to chemically modify the adhesive layer, and transferring the irradiated adhesive layer to a substrate. Also disclosed is an adhesive coated web, comprising a substrate having at least one component susceptible to electron beam radiation degradation having no electron beam radiation modification and an adhesive layer having an electron beam modified composition and having no chemical, thermal, or ultraviolet crosslinking agent.Type: GrantFiled: July 29, 2002Date of Patent: June 1, 2004Assignee: 3M Innovative Properties CompanyInventors: James P. DiZio, Douglas E. Weiss, Bruce A. Sventek, Charles G. Carter
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Publication number: 20030082372Abstract: Disclosed is a method for making a substrate coated with an adhesive, comprising applying an electron beam modifiable adhesive layer onto a repeatably reusable transfer surface, irradiating the adhesive layer with an electron beam to chemically modify the adhesive layer, and transferring the irradiated adhesive layer to a substrate. Also disclosed is an adhesive coated web, comprising a substrate having at least one component susceptible to electron beam radiation degradation having no electron beam radiation modification and an adhesive layer having an electron beam modified composition and having no chemical, thermal, or ultraviolet crosslinking agent.Type: ApplicationFiled: July 29, 2002Publication date: May 1, 2003Applicant: 3M Innovative Properties CompanyInventors: James P. DiZio, Douglas E. Weiss, Bruce A. Sventek, Charles G. Carter
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Patent number: 6455152Abstract: Disclosed is a method for making a substrate coated with an adhesive, comprising applying an electron beam modifiable adhesive layer onto a repeatably reusable transfer surface, irradiating the adhesive layer with an electron beam to chemically modify the adhesive layer, and transferring the irradiated adhesive layer to a substrate. Also disclosed is an adhesive coated web, comprising a substrate having at least one component susceptible to electron beam radiation degradation having no electron beam radiation modification and an adhesive layer having an electron beam modified composition and having no chemical, thermal, or ultraviolet crosslinking agent.Type: GrantFiled: August 31, 1999Date of Patent: September 24, 2002Assignee: 3M Innovative Properties CompanyInventors: James P. DiZio, Douglas E. Weiss, Bruce A. Sventek, Charles G. Carter
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Patent number: 6291400Abstract: A compound of formula (I): or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X1 and X2 are independently oxygen or sulphur, R1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C2-C4 alkylene group which is optionally interposed by an oxygen atom, a group a group or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and Rb is alkyl or alkoxy; provided that when X, X1 and X2 are oxygen, R1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.Type: GrantFiled: May 27, 1999Date of Patent: September 18, 2001Assignee: Zeneca LimitedInventors: John E D Barton, David Cartwright, John M Cox, Glynn Mitchell, Charles G Carter, David L Lee, Francis H Walker, Frank X Woolard
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Patent number: 5958839Abstract: A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X.sup.1 and X.sup.2 are independently oxygen or sulphur, R.sup.1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C.sub.2 -C.sub.4 alkylene group which is optionally interposed by an oxygen atom, a group ##STR2## a group ##STR3## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R.sup.b is alkyl or alkoxy; provided that when X, X.sup.1 and X.sup.2 are oxygen, R.sup.1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.Type: GrantFiled: February 11, 1998Date of Patent: September 28, 1999Assignee: Zeneca LitmitedInventors: John E. D. Barton, David Cartwright, John M Cox, Glynn Mitchell, Charles G. Carter, David L Lee, Francis H Walker, Frank X. Woolard
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Patent number: 5744610Abstract: A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X.sup.1 and X.sup.2 are independently oxygen or sulphur, R.sup.1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C.sub.2 -C.sub.4 alkylene group which is optionally interposed, by an oxygen atom, a group ##STR2## a group ##STR3## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R.sup.b is alkyl or alkoxy; provided that when X, X.sup.1 and X.sup.2 are oxygen, R.sup.1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.Type: GrantFiled: July 18, 1996Date of Patent: April 28, 1998Assignee: Zeneca LimitedInventors: John E. D. Barton, David Cartwright, John M. Cox, Glynn Mitchell, Charles G. Carter, David L. Lee, Francis H. Walker, Frank X. Woolard
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Patent number: 5563115Abstract: A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X.sup.1 and X.sup.2 are independently oxygen or sulphur, R.sup.1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C.sub.2 -C.sub.4 alkylene group which is optionally interposed by an oxygen atom, a group ##STR2## a group ##STR3## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R.sup.b is alkyl or alkoxy; provided that when X, X.sup.1 and X.sup.2 are oxygen, R.sup.1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.Type: GrantFiled: May 30, 1995Date of Patent: October 8, 1996Assignee: Zeneca LimitedInventors: John E. D. Barton, David Cartwright, John M. Cox, Glynn Mitchell, Charles G. Carter, David L. Lee, Francis H. Walker, Frank X. Woolard
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Patent number: 5426091Abstract: A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X.sup.1 and X.sup.2 are independently oxygen or sulphur, R.sup.1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C.sub.2 -C.sub.4 alkylene group which is optionally interposed by an oxygen atom, a group ##STR2## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R.sup.b is alkyl or alkoxy; provided that when X, X.sup.1 and X.sup.2 are oxygen, R.sup.1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.Type: GrantFiled: August 4, 1993Date of Patent: June 20, 1995Assignee: Zeneca LimitedInventors: John E. D. Barton, David Cartwright, John M. Cox, Glynn Mitchell, Charles G. Carter, David L. Lee, Francis H. Walker, Frank X. Woolard
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Patent number: 5344590Abstract: A method for inhibiting corrosion of metals in contact with an aqueous solution comprising adding to the system a corrosion inhibiting amount of one or more polytartaric acid compounds having the generalized formula: ##STR1## wherein each R is independently selected from the group consisting of H and C.sub.1 to C.sub.4 alkyl, n is less than 4 and the average molecular weight of the mixture corresponds to an average n in the range 1.2 to 3.Type: GrantFiled: January 6, 1993Date of Patent: September 6, 1994Assignee: W. R. Grace & Co.-Conn.Inventors: Charles G. Carter, Lai-Duien G. Fan, Joseph C. Fan, Robert P. Kreh, Vladimir Jovancicevic
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Patent number: 5312953Abstract: Polyether bis-phosphonic acid compounds are disclosed which have the formula (HO).sub.2 OP--R--(OR').sub.n --OR--PO(OH).sub.2 where R is selected from the group consisting of methylene and ethylene, R' is selected from the group consisting of ethylene and ethylene substituted with one or more methyl groups, and n is an integer from 1 to 4, water soluble salts thereof, and esters thereof with alkyl groups having from 1 to 6 carbon atoms. Also disclosed is a novel preparation of these compounds by reacting hydroxyalkylphosphonic acid dialkyl ester compounds with 2-benzyloxyalkyl organic sulfonates; reacting the intermediate formed therefrom with hydrogen or a hydrogen source; reacting the intermediate formed therefrom with a hydrogen ion acceptor and certain sulfonyl chlorides; and reacting the intermediate formed therefrom with hydroxyalkylphosphonic acid dialkyl ester compounds to form a polyether bis-phosphonic acid compound which may be hydrolyzed to form the polyether bis-phosphonic acid.Type: GrantFiled: August 17, 1993Date of Patent: May 17, 1994Assignee: W. R. Grace & Co.-Conn.Inventors: Charles G. Carter, Ranjit Kumar
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Patent number: 5266722Abstract: Polyether bis-phosphonic acid compounds are disclosed which have the formula (HO).sub.2 OP--R--(OR').sub.n --OR--PO(OH).sub.2 where R is selected from the group consisting of methylene and ethylene, R' is selected from the group consisting of ethylene and ethylene substituted with one or more methyl groups, and n is an integer from 1 to 4, water soluble salts thereof, and esters thereof with alkyl groups having from 1 to 6 carbon atoms.Type: GrantFiled: November 9, 1988Date of Patent: November 30, 1993Assignee: W. R. Grace & Co.-Conn.Inventors: Charles G. Carter, Ranjit Kumar
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Patent number: 5250501Abstract: A compound of formula (I): ##STR1## or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X.sup.1 and X.sup.2 are independently oxygen or sulphur, R.sup.1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C.sub.2 -C.sub.4 alkylene group which is optionally interposed by an oxygen atom, a group ##STR2## or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and R.sup.b is alkyl or alkoxy; provided that when X, X.sup.1 and X.sup.2 are oxygen R.sup.1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.Type: GrantFiled: January 10, 1992Date of Patent: October 5, 1993Assignees: Imperial Chemical Industries PLC, ICI Americas, Inc.Inventors: John E. D. Barton, David Cartwright, John M. Cox, Glynn Mitchell, Charles G. Carter, David L. Lee, Francis H. Walker, Frank X. Woolard
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Patent number: 5221487Abstract: A method is disclosed for inhibiting or preventing the formation of scale on surfaces in contact with an aqueous system comprising adding to the system an amount effective to inhibit scale formation of a sulfonated organophosphonate compound having the formula: ##STR1## wherein n is an integer from 3 to 10 X is OH or NH.sub.2 ; and water soluble salts thereof.Type: GrantFiled: October 24, 1991Date of Patent: June 22, 1993Assignee: W. R. Grace & Co.-Conn.Inventor: Charles G. Carter
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Patent number: 5215585Abstract: A method of reclaiming unset cement compositions by mixing a polymethoxy polyphosphonate to the unset composition to cause long-term retardation of cement hydration and subsequently treating the composition with a set accelerator to reinitiate hydration.Type: GrantFiled: October 25, 1991Date of Patent: June 1, 1993Assignee: W. R. Grace & Co.-Conn.Inventors: Narender P. Luthra, Charles G. Carter, Paul C. Scheiner
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Patent number: 5183590Abstract: A composition and method for inhibiting corrosion of ferrous metals in contact with an aqueous solution comprising adding to the system from 0.1 to 500 ppm of an aminohydroxysuccinic acid compound selected from group consisting of compounds of the generalized formulas: ##STR1## wherein R is H or C.sub.1 to C.sub.6 alkyl, optionally substituted with --OH, --CO.sub.2 H, --SO.sub.3 H or phenyl, C.sub.4 C.sub.7 cycloalkyl, or phenyl which is optionally substituted with --OH, or --CO.sub.2 H, and R' is H, C.sub.1 to C.sub.6 alkyl, optionally substituted with --OH or CO.sub.2 H; and ##STR2## wherein R' is as above, and Z is selected from the group consisting of i) --(CH.sub.2).sub.n -- wherein n is an integer from 2 to 10, ii) --(CH.sub.2).sub.2 --X--(CH.sub.2).sub.2 -- wherein X is --O--, --S--, --NR"--; wherein R" is selected from the group consisting of H, C.sub.1 to C.sub.6 alkyl, hydroxyalkyl, carboxyallkyl, acyl, --C(O)OR"' wherein R"' is C.sub.1 C.sub.Type: GrantFiled: October 24, 1991Date of Patent: February 2, 1993Assignee: W. R. Grace & Co.-Conn.Inventors: Charles G. Carter, Vladimir Jovancicevic, Judith A. Hartman, Robert P. Kreh
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Patent number: 5177238Abstract: An improved process for the production of allylphosphonic acid dialkyl esters in high yield and selectivity by the gradual addition of trialkyl phosphite to react with the appropriate allyl halide in the presence of a divalent nickel catalyst and, optionally, a polymerization inhibiting compound, e.g. hydroquinone.Type: GrantFiled: July 16, 1991Date of Patent: January 5, 1993Assignee: W. R. Grace & Co.-Conn.Inventors: Charles G. Carter, David R. Sterrenburg
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Patent number: 5142084Abstract: A novel process for rearranging triallyl phosphite to diallyl allylphosphonate ester is disclosed. The process involves heating triallyl phosphite in the presence of a soluble, inorganic bromide or iodide catalyst. The rearrangement process is useful in a 3-step process for the preparation allylphosphonic acid from trialkyl phosphite without the isolation of intermediates.Type: GrantFiled: October 11, 1991Date of Patent: August 25, 1992Inventors: Charles G. Carter, David R. Sterrenburg
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Patent number: 5139702Abstract: A composition useful for treating aqueous systems comprising a naphthylamine polycarboxylic acid having the formula: ##STR1## wherein X is CO.sub.2 H or SO.sub.3 H, Y is H, C.sub.1 to C.sub.6 alkyl, CO.sub.2 H or SO.sub.3 H, R is H, C.sub.1 to C.sub.6 alkyl, CO.sub.2 R' or COR', R' is C.sub.1 to C.sub.6 alkyl, n is an integer from 1 to 20, and water soluble salts thereof.Type: GrantFiled: October 24, 1991Date of Patent: August 18, 1992Assignee: W. R. Grace & Co.-Conn.Inventors: Charles G. Carter, Robert P. Kreh, Lai-Duien G. Fan