Patents by Inventor Fred David Martin

Fred David Martin 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: 4053323
    Abstract: Methods of using aqueous hydraulic cement compositions containing polyamido-sulfonic compounds as flow-property-improving and turbulence-inducing additives are disclosed.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: October 11, 1977
    Assignee: Calgon Corporation
    Inventors: Sally Lee Adams, Michael M. Cook, Fred David Martin
  • Patent number: 4040854
    Abstract: Methods of using aqueous hydraulic cement compositions containing phosphonobutane tricarboxylic acid as a flow-property-improving and turbulence-inducing additive are disclosed.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: August 9, 1977
    Assignee: Calgon Corporation
    Inventors: Leonard J. Persinski, Fred David Martin, Sally Lee Adams
  • Patent number: 4036660
    Abstract: Methods of using aqueous hydraulic cement compositions containing sulfonated copolymers of styrene-maleic anhydride as flow-property-improving and turbulence-inducing additives are disclosed.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: July 19, 1977
    Assignee: Calgon Corporation
    Inventors: Leonard J. Persinski, Fred David Martin, Sally Lee Adams
  • Patent number: 4011909
    Abstract: Methods of using aqueous hydraulic cement compositions containing polyamido-sulfonic compounds as flow-property-improving and turbulence-inducing additives are disclosed.
    Type: Grant
    Filed: January 29, 1976
    Date of Patent: March 15, 1977
    Assignee: Calgon Corporation
    Inventors: Sally Lee Adams, Fred David Martin, Michael M. Cook
  • Patent number: 4012327
    Abstract: Alcohols, particularly anhydrous alcohols, thickened with aminomethylated polyacrylamide, used as fracturing fluids for stimulating well production.
    Type: Grant
    Filed: February 12, 1975
    Date of Patent: March 15, 1977
    Assignee: Calgon Corporation
    Inventors: Jerry Emile Boothe, Fred David Martin
  • Patent number: 3994852
    Abstract: Improved cementing compositions and their use in well cementing operations is disclosed, wherein polyvinylpyrrolidone-polyacrylamide triblock polymers are used as fluid loss additives for aqueous hydraulic cement slurries.
    Type: Grant
    Filed: July 17, 1975
    Date of Patent: November 30, 1976
    Assignee: Calgon Corporation
    Inventors: Sally Lee Adams, Lawrence James Guilbault, Fred David Martin
  • Patent number: 3993134
    Abstract: Aqueous hydraulic cement compositions containing polymaleic anhydride as a flow-property-improving and turbulence-inducing additive and their use in cementing wells is disclosed.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: November 23, 1976
    Assignee: Calgon Corporation
    Inventors: Sally L. Adams, Michael M. Cook, Fred David Martin
  • Patent number: 3964921
    Abstract: Aqueous hydraulic cement compositions containing phosphonobutane tricarboxylic acid as a flow-property-improving and turbulence-inducing additive and its use in cementing wells is disclosed.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: June 22, 1976
    Assignee: Calgon Corporation
    Inventors: Leonard J. Persinski, Fred David Martin, Sally Lee Adams
  • Patent number: 3953341
    Abstract: Use of methylolated water-soluble polymers to maintain or increase solution viscosity of polymer compositions useful in oil recovery processes.
    Type: Grant
    Filed: May 8, 1974
    Date of Patent: April 27, 1976
    Assignee: Calgon Corporation
    Inventor: Fred David Martin
  • Patent number: 3952805
    Abstract: Aqueous hydraulic cement compositions containing sulfonated copolymers of styrene-maleic anhydride as flow-property-improving and turbulence-inducing additives and their use in cementing wells is disclosed.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: April 27, 1976
    Assignee: Calgon Corporation
    Inventors: Leonard J. Persinski, Fred David Martin, Sally Lee Adams
  • Patent number: 3953342
    Abstract: Use of dialdehydes to maintain or increase solution viscosity of polymer compositions useful in oil recovery processes. In particular, the dialdehydes are used to maintain or enhance the effectiveness of polymers used as viscosity increasing agents in aqueous oil displacement media in the secondary and tertiary recovery of oil.
    Type: Grant
    Filed: May 8, 1974
    Date of Patent: April 27, 1976
    Assignee: Calgon Corporation
    Inventors: Fred David Martin, Lawrence James Guilbault
  • Patent number: 3945929
    Abstract: Use of aminomethylated, water-soluble polymers to maintain or increase solution viscosity of polymer compositions useful in oil recovery processes.
    Type: Grant
    Filed: May 8, 1974
    Date of Patent: March 23, 1976
    Assignee: Calgon Corporation
    Inventor: Fred David Martin
  • Patent number: 3943060
    Abstract: Use of poly (dimethylaminomethyl acrylamide) as a friction reducer for aqueous fluids flowing through a conduit, especially for the aqueous hydraulic fracturing of subterranean formations.
    Type: Grant
    Filed: July 26, 1974
    Date of Patent: March 9, 1976
    Assignee: Calgon Corporation
    Inventors: Fred David Martin, Jerry Emile Boothe
  • Patent number: 3943083
    Abstract: Aqueous hydraulic cement compositions containing polymaleic anhydride as a flow-property-improving and turbulence-inducing additive and their use in cementing wells is disclosed.
    Type: Grant
    Filed: May 1, 1974
    Date of Patent: March 9, 1976
    Assignee: Calgon Corporation
    Inventors: Sally L. Adams, Michael M. Cook, Fred David Martin
  • Patent number: 3936408
    Abstract: Aqueous hydraulic cement compositions containing polyamido-sulfonic compounds as flow-property-improving and turbulence-inducing additives and their use in cementing wells is disclosed.
    Type: Grant
    Filed: May 1, 1974
    Date of Patent: February 3, 1976
    Assignee: Calgon Corporation
    Inventors: Sally L. Adams, Michael M. Cook, Fred David Martin
  • Patent number: RE29595
    Abstract: Aqueous hydraulic cement compositions containing polyamido-sulfonic compounds as flow-property-improving and turbulence-inducing additives and their use in cementing wells is disclosed.
    Type: Grant
    Filed: April 20, 1977
    Date of Patent: March 28, 1978
    Assignee: Calgon Corporation
    Inventors: Sally Lee Adams, Fred David Martin, Michael M. Cook