Patents by Inventor Frederick F. Guzik

Frederick F. Guzik 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).

  • Synthesis of monochloroethyl chloroformates by free radical initiated chlorination of ethyl chloroformate
    Patent number: 5298646
    Abstract: Ethyl chloroformate is chlorinated in the rectifying zone of a distillation reactor to produce 1-chloroethyl chloroformate and 2-chloroethyl chloroformate.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: March 29, 1994
    Assignee: PPG Industries, Inc.
    Inventors: Frederick F. Guzik, James A. Manner, Suresh B. Damle
  • Method for purifying waste water using surface modified silica
    Patent number: 5137639
    Abstract: Disclosed is a process for preparing surface modified silica sorption agent suitable for purifying contaminated aqueous liquid, the sorption agent comprising amorphous, precipitated, silica having surface deposited thereon an organic quaternary ammonium compound.
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: August 11, 1992
    Assignee: PPG Industries, Inc.
    Inventors: Frederick F. Guzik, Suresh B. Damle, William W. Carlin
  • Process of preparation of substituted diphenyl ethers
    Patent number: 4424393
    Abstract: This invention relates to a process for preparing herbicidally active substituted diphenylethers. Also, this invention provides novel intermediates useful in the production of said diphenylethers.
    Type: Grant
    Filed: August 24, 1981
    Date of Patent: January 3, 1984
    Assignee: PPG Industries, Inc.
    Inventors: Frederick F. Guzik, Steven E. Pamer, Sidney B. Richter
  • Preparation of haloaniline
    Patent number: 4197259
    Abstract: Haloaniline is produced in high yield by reacting halobenzene with a mixture containing a metal amide and a controlled molar excess of liquid ammonia based on the moles of halobenzene.
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: April 8, 1980
    Assignee: PPG Industries, Inc.
    Inventor: Frederick F. Guzik
  • S-p-methoxyphenyl N,N-diallylthiolcarbamate and S-p-methoxyphenyl N,N-bis(2,3-dibromopropyl)thiolcarbamate
    Patent number: 4132800
    Abstract: Disclosed are S-p-methoxyphenyl N,N-diallylthiolcarbamate and S-p-methoxyphenyl N,N-bis(2,3-dibromopropyl)thiolcarbamate. The latter compound possesses systemic nematocidal properties particularly against Meloidogyne species.
    Type: Grant
    Filed: November 13, 1975
    Date of Patent: January 2, 1979
    Assignee: PPG Industries, Inc.
    Inventor: Frederick F. Guzik