Patents by Inventor Edward F. Orwoll

Edward F. Orwoll 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: 4272441
    Abstract: Carbamates are prepared in one step by reacting an alcohol, phosgene, and an amine in the absence of an acid scavenger.
    Type: Grant
    Filed: March 13, 1980
    Date of Patent: June 9, 1981
    Assignee: FMC Corporation
    Inventors: Robert E. Keay, Edward F. Orwoll, John A. Price
  • Patent number: 4223159
    Abstract: 3-Methyl-2-butenyl 3,3-dimethyl-4-pentenoate, by-product in the condensation between 3-methyl-2-butene-1-ol and a lower alkyl orthoacetate, can be recycled into the condensation by alkoxylating it with a lower alkyl alcohol or orthoacetate in the presence of a basic ester exchange catalyst.
    Type: Grant
    Filed: April 26, 1979
    Date of Patent: September 16, 1980
    Assignee: FMC Corporation
    Inventors: John A. Price, Edward F. Orwoll
  • Patent number: 4111701
    Abstract: Flame-retarded regenerated cellulose filaments and filamentary articles having dispersed therein polymeric phosphazenes with P-O-P oxygen linkages that are prepared through the condensation of alkyl esters of phosphorus acids with acid halides of phosphorus acids with elimination of alkyl halides; and method for their preparation.
    Type: Grant
    Filed: October 1, 1976
    Date of Patent: September 5, 1978
    Assignee: Avtex Fibers Inc.
    Inventors: Borivoj Richard Franko-Filipasic, Edward F. Orwoll, Vithal C. Patel
  • Patent number: 3994996
    Abstract: A new class of polymeric phosphazenes with P--O--P oxygen linkages useful in rendering rayon flame retardant are prepared through the condensation of alkyl esters of phosphorus acids with acid halides of phosphorus acids with elimination of alkyl halides.
    Type: Grant
    Filed: April 5, 1974
    Date of Patent: November 30, 1976
    Assignee: FMC Corporation
    Inventors: Borivoj Richard Franko-Filipasic, Edward F. Orwoll, Vithal C. Patel
  • Patent number: T998005
    Abstract: Provided are stabilized compositions of benzoyl peroxide and a method for their preparation.The compositions comprise benzoyl peroxide and a desensitizer selected from the group consisting of a lower alkyl ester of 3,3-dimethyl-4-pentenoic acid and a lower alkyl ester of 4,6,6,6-tetrachloro-3,3-dimethylhexanoic acid, the desensitizer being present in an amount of at least 0.5 part by weight for each part by weight of benzoyl peroxide.
    Type: Grant
    Filed: March 15, 1979
    Date of Patent: September 2, 1980
    Assignee: FMC Corporation
    Inventors: Edward F. Orwoll, Richard R. Boettcher