Patents by Inventor Michele S. Ceh

Michele S. Ceh 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).

  • Organic peroxide compositions and process therefor
    Patent number: 5276202
    Abstract: A substantially water-free, non-dusting and flowable composition comprising an organic peroxide, a hydrocarbyl phthalate, and at least one phlegmatization agent is provided wherein the phlegmatization agent is selected from the group consisting of a polyester and a glycol-based aliphatic carboxylic acid ester, and mixtures thereof. The composition is prepared by: (1) substantially dissolving the hydrocarbyl phthalate and phlegmatization agent in a solvent to form a plasticizer mixture; (2) substantially dissolving the organic peroxide in the plasticizer mixture to form an organic peroxide-plasticizer mixture; (3) cooling the organic peroxide-plasticizer mixture whereby a crystallized composition is formed; and (4) recovering the crystallized composition.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: January 4, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Michele S. Ceh, Jim D. Byers