Patents by Inventor Paul Gordon Haines

Paul Gordon Haines 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).

  • Non-blooming accelerator and process for vulcanization of EPDM elastomers
    Patent number: 4118378
    Abstract: Thiuram Sulfides of oxazolidines and thiazolidines are disclosed herein and shown to be useful as non-blooming accelerators in the vulcanization of ethylene-propylene-diene-terpolymers.
    Type: Grant
    Filed: September 30, 1977
    Date of Patent: October 3, 1978
    Assignee: Pennwalt Corporation
    Inventors: Ivan Christoff Popoff, Everett A. Mailey, Paul Gordon Haines
  • Non-blooming accelerator and process for vulcanization of EPDM elastomers
    Patent number: 4099003
    Abstract: Thiuram sulfides of oxazolidines and thiazolidines are disclosed herein and shown to be useful as non-blooming accelerators in the vulcanization of ethylene-propylene-diene-terpolymers.
    Type: Grant
    Filed: June 11, 1976
    Date of Patent: July 4, 1978
    Assignee: Pennwalt Corporation
    Inventors: Ivan Christoff Popoff, Everett A. Mailey, Paul Gordon Haines
  • Oxazolidine and thiazolidine carbodithioates
    Patent number: 4008244
    Abstract: Oxazolidine and thiazolidine carbodithioates of sodium, potassium and specified alkyl substituted ammonium which are useful as vulcanization accelerators for EPDM elastomers while demonstrating non-blooming characteristics.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: February 15, 1977
    Assignee: Pennwalt Corporation
    Inventors: Ivan Christoff Popoff, Paul Gordon Haines
  • Process for the vulcanization of EPDM elastomers
    Patent number: 3987017
    Abstract: Oxazolidine and thiazolidinecarbodithioates, and pyridine adducts thereof, are accelerators for the vulcanization of EPDM elastomers, wherein they exhibit non-blooming characteristics.
    Type: Grant
    Filed: January 24, 1975
    Date of Patent: October 19, 1976
    Assignee: Pennwalt Corporation
    Inventors: Ivan Christoff Popoff, Paul Gordon Haines
  • Pyridine adducts of oxazolidine and thiazolidine-derived carbodithioates
    Patent number: 3976648
    Abstract: Oxazolidine and thiazolidinecarbodithioates, and pyridine adducts thereof, are accelerators for the vulcanization of EPDM elastomers, wherein they exhibit non-blooming characteristics.
    Type: Grant
    Filed: January 24, 1975
    Date of Patent: August 24, 1976
    Assignee: Pennwalt Corporation
    Inventors: Ivan Christoff Popoff, Paul Gordon Haines
  • Oxazolidine and thiazolidine derived carbodithioate compositions useful as vulcanization accelerators
    Patent number: 3943143
    Abstract: Oxazolidine and thiazolidinecarbodithioates, and pyridine adducts thereof, are accelerators for the vulcanization of EPDM elastomers, wherein they exhibit non-blooming characteristics.
    Type: Grant
    Filed: February 1, 1974
    Date of Patent: March 9, 1976
    Assignee: Pennwalt Corporation
    Inventors: Ivan Christoff Popoff, Paul Gordon Haines