Patents by Inventor Clarence A. Coates
Clarence A. Coates 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: 5703229Abstract: Provided are new compounds useful as near infrared fluorophoric markers. In the practice of this invention a method is also provided for tagging thermoplastic containers using near infrared fluorescing compounds or copolymerized residues readily capable of detection. The new compounds are phthalocyanine and naphthalocyanine derivatives which are covalently bonded to substituted silicon and aluminum compounds. The methods, compositions, and compounds described herein thus provide a total system useful for marking, for identification purposes, the various classes of thermoplastic wastes, so that they can be identified, sorted, and subsequently recycled.Type: GrantFiled: February 29, 1996Date of Patent: December 30, 1997Assignee: Eastman Chemical CompanyInventors: James J. Krutak, Michael R. Cushman, Clarence A. Coates, William W. Parham, Max A. Weaver, Gabor Patonay
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Patent number: 5553714Abstract: Provided is a method for tagging thermoplastic containers using near infrared fluorescing compounds or copolymerized residues readily capable of detection. Also provided is a method for identifying a thermoplastic container. Also provided are thermoplastic polymer compositions comprised of the near infrared fluorescing compounds or residues and articles comprised of such compositions.Type: GrantFiled: November 14, 1994Date of Patent: September 10, 1996Assignee: Eastman Chemical CompanyInventors: Michael R. Cushman, James J. Krutak, William W. Parham, Clarence A. Coates, Max A. Weaver, Gabor Patonay
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Patent number: 5532332Abstract: Provided are light-absorbing polymers useful for imparting color and/or ultraviolet light screening properties to thermoplastic resins. The polymeric colorants or UV absorbers may be added during the formation of the uncolored thermoplastic polymer or melt or solution blended with other thermoplastic polymers.Type: GrantFiled: September 19, 1994Date of Patent: July 2, 1996Inventors: Max A. Weaver, James J. Krutak, Clarence A. Coates, Wayne P. Pruett, Samuel D. Hilbert
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Patent number: 5461136Abstract: Provided is a method for tagging thermoplastic containers using near infrared fluorescing compounds or copolymerized residues readily capable of detection. Also provided is a method for identifying a thermoplastic container. Also provided are thermoplastic polymer compositions comprised of the near infrared fluorescing compounds or residues and articles comprised of such compositions. Also provided are new compounds useful as near infrared fluorophoric markers in the practice of this invention. The methods, compositions, and compounds of the present invention thus provide a total system useful for marking, for identification purposes, the various classes of thermoplastic wastes, so that they can be identified, sorted, and subsequently recycled.Type: GrantFiled: June 27, 1994Date of Patent: October 24, 1995Assignee: Eastman Chemical CompanyInventors: James J. Krutak, Michael R. Cushman, Clarence A. Coates, William W. Parham, Max A. Weaver, Gabor Patonay
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Patent number: 5442086Abstract: Disclosed are certain poly-methine compounds having the formula ##STR1## wherein each R.sup.1 is independently selected from cyano; carboxy; alkenyloxycarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R.sup.2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from --0-- or --S--; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom.Type: GrantFiled: September 19, 1994Date of Patent: August 15, 1995Assignee: Eastman Chemical CompanyInventors: James J. Krutak, Max A. Weaver, Clarence A. Coates, Jr., Samuel D. Hilbert, Terry A. Oldfield, William W. Parham, Wayne P. Pruett
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Patent number: 5423432Abstract: Provided are water-dissipatable, sulfo-containing polyesters and polyester-amides having copolymerized therein thermally stable near infrared flourophoric compounds. The polymers are useful in coating or ink compositions, which are in turn useful for marking articles for identification/authentication purposes. Also provided is a method for invisibly marking such articles and a method for detecting and sorting articles by utilizing the near infrared flourophoric ink or coating compositions.Type: GrantFiled: May 5, 1994Date of Patent: June 13, 1995Assignee: Eastman Chemical CompanyInventors: James J. Krutak, Michael R. Cushman, William W. Parham, Clarence A. Coates, Max A. Weaver, Gabor Patonay
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Patent number: 5397819Abstract: Provided is a method for tagging thermoplastic containers using near infrared fluorescing compounds or copolymerized residues readily capable of detection. Also provided is a method for identifying a thermoplastic container. Also provided are thermoplastic polymer compositions comprised of the near infrared fluorescing compounds or residues and articles comprised of such compositions. Also provided are new compounds useful as near infrared fluorophoric markers in the practice of this invention. The methods, compositions, and compounds of the present invention thus provide a total system useful for marking, for identification purposes, the various classes of thermoplastic wastes, so that they can be identified, sorted, and subsequently recycled.Type: GrantFiled: November 24, 1993Date of Patent: March 14, 1995Assignee: Eastman Chemical CompanyInventors: James J. Krutak, Michael R. Cushman, Clarence A. Coates, William W. Parham, Max A. Weaver, Gabor Patonay
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Patent number: 5376650Abstract: Provided are light-absorbing polymers which contain backbone unsaturations and which are produced by knoevenagel condensation and which are useful for imparting color and/or ultraviolet light screening properties to thermoplastic resins. The polymeric colorants or UV absorbers may be added during the formation of the uncolored thermoplastic polymer or melt or solution blended with other thermoplastic polymers.Type: GrantFiled: March 3, 1994Date of Patent: December 27, 1994Assignee: Eastman Chemical CompanyInventors: Max A. Weaver, James J. Krutak, Clarence A. Coates, Wayne P. Pruett, Samuel D. Hilbert
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Patent number: 5374419Abstract: Disclosed are sunscreen compositions containing certain poly-methine compounds having the formula ##STR1## wherein each R.sup.1 is independently selected from cyano; carboxy; alkenyloxycarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R.sup.2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from --O-- or --S--; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom.Type: GrantFiled: December 18, 1992Date of Patent: December 20, 1994Assignee: Eastman Chemical CompanyInventors: James J. Krutak, Max A. Weaver, Clarence A. Coates, Jr., Samuel D. Hilbert, Terry A. Oldfield, William W. Parham, Wayne P. Pruett
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Patent number: 5336714Abstract: Provided are water-dissipatable, sulfo-containing polyesters and polyester-amides having copolymerized therein thermally stable near infrared flourophoric compounds. The polymers are useful in coating or ink compositions, which are in turn useful for marking articles for identification/authentication purposes. Also provided is a method for invisibly marking such articles and a method for detecting and sorting articles by utilizing the near infrared flourophoric ink or coating compositions.Type: GrantFiled: December 30, 1993Date of Patent: August 9, 1994Assignee: Eastman Chemical CompanyInventors: James J. Krutak, Michael R. Cushman, William W. Parham, Clarence A. Coates, Max A. Weaver, Gabor Patonay
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Patent number: 5302740Abstract: Disclosed are certain poly-methine compounds having the formula ##STR1## wherein each R.sup.1 is independently selected from cyano; carboxy; alkenyloxycarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R.sup.2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from --O-- or --S--; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom.Type: GrantFiled: October 30, 1992Date of Patent: April 12, 1994Assignee: Eastman Kodak CompanyInventors: James J. Krutak, Max A. Weaver, Clarence A. Coates, Jr., Samuel D. Hilbert, Terry A. Oldfield, William W. Parham, Wayne P. Pruett
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Patent number: 5292855Abstract: Provided are water-dissipatable, sulfo-containing polyesters and polyester-amides having copolymerized therein thermally stable near infrared flourophoric compounds. The polymers are useful in coating or ink compositions, which are in turn useful for marking articles for identification/authentication purposes. Also provided is a method for invisibly marking such articles and a method for detecting and sorting articles by utilizing the near infrared flourophoric ink or coating compositions.Type: GrantFiled: February 18, 1993Date of Patent: March 8, 1994Assignee: Eastman Kodak CompanyInventors: James J. Krutak, Michael R. Cushman, William W. Parham, Clarence A. Coates, Max A. Weaver, Gabor Patonay
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Patent number: 5281659Abstract: Provided are polyester compositions having thermally stable colorants copolymerized therein, said colorants comprised of at least one electron-rich aromatic moiety attached to a negatively substituted 2,5-dioxypyrrolin-3-yl moiety and containing at least one, and preferably, two polyester reactive groups. Also provided are polyester color concentrates and blends of the colored polyester compositions with other thermoplastic polymers and shaped or formed articles comprised of same.Type: GrantFiled: November 2, 1992Date of Patent: January 25, 1994Assignee: Eastman Kodak CompanyInventors: Max A. Weaver, Clarence A. Coates, William W. Parham, Samuel D. Hilbert, James J. Krutak, Wayne P. Pruett
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Patent number: 5274072Abstract: Provided are certain novel substituted 2(5H)furanone compounds which are useful as ultraviolet/visible light absorbing compounds. Also provided are polyester compositions having such compounds copolymerized therein and shaped or formed articles comprised of such polyester compositions.Type: GrantFiled: May 4, 1992Date of Patent: December 28, 1993Assignee: Eastman Kodak CompanyInventors: Max A. Weaver, James J. Krutak, Clarence A. Coates, Jr., William W. Parham, Wayne P. Pruett, Samuel D. Hilbert
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Patent number: 5254625Abstract: Provided are polymers containing methine linkages. Also provided are shaped or formed articles comprised of the light absorbing polymers either alone or admixed with other thermoplastic polymers to form a light absorbing thermoplastic polymer composition.Type: GrantFiled: May 26, 1992Date of Patent: October 19, 1993Assignee: Eastman Kodak CompanyInventors: Max A. Weaver, James J. Krutak, Clarence A. Coates, Wayne P. Pruett, Samuel D. Hilbert
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Patent number: 5194571Abstract: Provided are polyester compositions having thermally stable colorants copolymerized therein, said colorants comprised of at least one electron-rich aromatic moiety attached to a negatively substituted 2,5-dioxypyrrolin-3-yl moiety and containing at least one, and preferably, two polyester reactive groups. Also provided are polyester color concentrates and blends of the colored polyester compositions with other thermoplastic polymers and shaped or formed articles comprised of same.Type: GrantFiled: August 19, 1991Date of Patent: March 16, 1993Assignee: Eastman Kodak CompanyInventors: Max A. Weaver, Clarence A. Coates, William W. Parham, Samuel D. Hilbert, James J. Krutak, Wayne P. Pruett
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Patent number: 5106942Abstract: Disclose are polyester color concentrates, especially amorphous and partially-crystalline, polyester color concentrates, comprising a polyester having copolymerized therein colored residues of at least one polyester-reactive, thermally-stable methine colorant compound. The color concentrates may be used to impart yellow shades and colors to various polymeric materials, shaped articles fabricated of and coatings formulated from such polymeric materials and, especially, personal, medical and home care products where non-extractability of the colorant material is essential. Also disclosed are colored semicrystalline powders derived from the color concentrates.Type: GrantFiled: January 8, 1990Date of Patent: April 21, 1992Assignee: Eastman Kodak CompanyInventors: James J. Krutak, William W. Parham, Max A. Weaver, Clarence A. Coates, Jr., Terry A. Oldfield
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Patent number: 5102980Abstract: Provided are novel polyester compositions containing copper phthalocyanine sulfonamide colorants copolymerized therein. Also provided are amorphous color concentrates, partially-crystalline color concentrates and semi-crystalline color concentrates. These polyester compositions are particularly useful for use as colored packaging materials and for colorants for personal, medical, and home care products where non-extractability of the colorant residue is important.Type: GrantFiled: April 1, 1991Date of Patent: April 7, 1992Assignee: Eastman Kodak CompanyInventors: James J. Krutak, Max A. Weaver, Clarence A. Coates, William W. Parham, Terry A. Oldfield, Wayne P. Pruett, Samuel D. Hilbert
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Patent number: 5091501Abstract: This invention provides a process for producing 2H-1-benzopyran-2-ones (coumarins) from optionally-substituted o-halocinnamic acids or esters under polyester-forming conditions. When the coumarins contain appropriately reactive functional groups, and desired monomers are present, a colored or UV-absorbing coumarin/polyester copolymer is provided in one step.Type: GrantFiled: October 4, 1990Date of Patent: February 25, 1992Assignee: Eastman Kodak CompanyInventors: Max A. Weaver, Samuel D. Hilbert, Wayne P. Pruett, Clarence A. Coates, Jr.
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Patent number: 5057594Abstract: Disclosed are certain poly-methine compounds having the formula ##STR1## wherein each R.sup.1 is independently selected from cyano; carboxy; alkenyloxycarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R.sup.2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from --O-- or --S--; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom.Type: GrantFiled: August 17, 1989Date of Patent: October 15, 1991Assignee: Eastman Kodak CompanyInventors: James J. Krutak, Max A. Weaver, Clarence A. Coates, Jr., Samuel D. Hilbert, Terry A. Oldfield, William W. Parham, Wayne P. Pruett