Patents by Inventor George M. Zody

George M. Zody 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).

  • Publication number: 20210115183
    Abstract: The invention relates to polymer comprising structural units according to formula (I), R1—X—(C?O)—NH—R2—NH—(C?O)—O—POA-R3—(O—POA-R4)n wherein R1 represents an organic group terminated by a hydrocarbyl group having 6 to 50 carbon atoms, X represents O or N—R5, wherein R5 represents a hydrogen atom or a hydrocarbyl group having 1 to 30 carbon atoms, R2 represents an aliphatic hydrocarbyl group having 4 to 40 carbon atoms, POA represents a polyoxyalkylene group, R3 represents an organic group having 2 to 40 carbon atoms, n is an integer from 1 to 6, R4 is independently selected from —(C?O)—NH—R2—NH—(C?O)—X—R1, —(C?O)—NH—R1, —R6, wherein R6 represents a hydrogen atom or an aliphatic or aromatic group having 1 to 24 carbon atoms, and wherein the polymer has an average of at least 1.8 end groups R1 per molecule, a number average molecular weight in the range of 2000 to 100000 Daltons, a polydispersity in the range of 1.0 to 5.0, wherein the quotient of the polydispersity divided by (n+1) is less than 1.
    Type: Application
    Filed: April 12, 2018
    Publication date: April 22, 2021
    Inventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
  • Publication number: 20200377723
    Abstract: The invention relates to polymer comprising structural units according to formula (I), R1—X—(C?O)—NH—R2—NH—(C?O)—O—POA-R3—(O—POA-R4)n wherein R1 represents an organic group terminated by a hydrocarbyl group having 6 to 50 carbon atoms, X represents O or N—R5, wherein R5 represents a hydrogen atom or a hydrocarbyl group having 1 to 30 carbon atoms, R2 represents a hydrocarbyl group comprising an aromatic group and having 6 to 40 carbon atoms, POA represents a polyoxyalkylene group, R3 represents an organic group having 2 to 40 carbon atoms, n is an integer from 1 to 6, R4 is independently selected from —(C?O)—NH—R2—NH—(C?O)—NH—R1, —R6, wherein R6 represents a hydrogen atom or an aliphatic or aromatic group having 1 to 24 carbon atoms, and wherein the polymer has an average of at least 1.8 end groups R1 per molecule, a number average molecular weight in the range of 2000 to 100000 Daltons, and a polydispersity in the range of 1.0 to 5.
    Type: Application
    Filed: April 12, 2018
    Publication date: December 3, 2020
    Inventors: Dominika Bernert, René Nagelsdiek, Alan L. Steinmetz, Justin Adams, George M. Zody, Wesley A. Huff, Daniela Leutfeld
  • Patent number: 5233032
    Abstract: Polygalactomannans containing a hydroxybutyl ether substituent and a hydrophobic substituent can be used in the fracturing of subterranean formations.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: August 3, 1993
    Assignee: Stein, Hall & Co., Inc.
    Inventors: George M. Zody, Michael E. Morgan
  • Patent number: 5179083
    Abstract: Water-borne coating compositions are made, using as a thickening agent, a polygalactomannan having both hydrophilic and hydrophobic substituents.
    Type: Grant
    Filed: July 5, 1990
    Date of Patent: January 12, 1993
    Assignee: Stein, Hall & Co., Inc.
    Inventors: George M. Zody, Michael E. Morgan
  • Patent number: 5128462
    Abstract: Alkyl and hydroxyalkyl ethers of polygalactomannans are further modified with long chain haloalkanoic acids. The resulting derivatized polygalactomannans are useful as thickening agents in aqueous systems, particularly in combination with surfactants at acidic pH.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: July 7, 1992
    Assignee: Rhone-Poulenc Inc.
    Inventor: George M. Zody
  • Patent number: 4870167
    Abstract: Alkyl ethers of polygalactomannans wherein the alkyl groups contain 1 to 4 carbon atoms are further modified with long chain aliphatic epoxides wherein the long chains contain 8 to about 28 carbon atoms. The resulting derivatized polygalactomannans are particularly useful as thickening agents for aqueous systems.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: September 26, 1989
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: George M. Zody, Michael E. Morgan
  • Patent number: 4647385
    Abstract: The viscosity of thickened aqueous solutions of water-soluble polymers is reduced by the addition of alkali metal and alkaline earth metal salts of hypochlorous acid and tertiary amines. The combination of the salt and the tertiary amine is much more efficient in speed of reduction in viscosity and in the completeness of the degradation of the polymer than the use of the metal salt alone. The process of this invention is particularly useful in fracturing of oil wells.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: March 3, 1987
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: Martin M. Williams, Martha A. Phelps, George M. Zody