Patents by Inventor William J. Trzaskos

William J. Trzaskos 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).

  • Use of water-soluble polymers in aqueous chemical light formulations
    Patent number: 4859369
    Abstract: Aqueous chemiluminescent systems have been found to exhibit improved chemiluminescence due to the presence of minor amounts of a water-soluble polymer.
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: August 22, 1989
    Assignee: American Cyanamid Company
    Inventors: Bruce H. Baretz, William J. Trzaskos
  • Method for the synthesis of sulfonated rubrene
    Patent number: 4696770
    Abstract: An improved process for the production of sulfonated rubrene is disclosed whereby fuming sulfuric acid is employed as the sulfonating agent. The resultant sulfonated rubrene is used as a fluorescer in water-soluble chemiluminescent mixtures e.g. in combination with a water-soluble amide of oxalic acid and hydrogen peroxide or a source of hydrogen peroxide.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: September 29, 1987
    Assignee: American Cyanamid Company
    Inventors: David L. Dauplaise, William J. Trzaskos
  • Synthesis of 10-hydroxymethyl-9-anthraldehyde
    Patent number: 4593130
    Abstract: This disclosure describes the catalyzed rearrangement of trans-dispiro (oxirane-2,9-(10'H)-anthracene)-10',2"-oxirane to 10-hydroxymethyl-9-anthraldehyde.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: June 3, 1986
    Assignee: American Cyanamid Company
    Inventors: Donald J. Casey, William J. Trzaskos