Patents by Inventor John J. Huitson

John J. Huitson 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).

  • Preservative composition
    Patent number: 4220661
    Abstract: A liquid preservative composition comprising in aqueous solution a complex salt of an ion selected from NH.sub.4.sup.+ and a Group I or Group II metal ion and formic acid, the ratio of acid to cation being 4:1 on a chemical equivalent basis.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: September 2, 1980
    Assignee: BP Chemicals Limited
    Inventor: John J. Huitson
  • Certain complex salts of mono carboxylic acids used as preservatives
    Patent number: 4179522
    Abstract: This invention relates to a liquid composition comprising a C.sub.3 -C.sub.8 carboxylic acid, an ion selected from NH.sub.4.sup.+ and a Group I or Group II metal according to the Periodic Table due to Mendeleef, and water, the ratio of acid to cation is between 2.1 and 4:1 on a chemical equivalent basis.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: December 18, 1979
    Assignee: BP Chemicals Limited
    Inventor: John J. Huitson