Patents by Inventor Angel J. Carchi

Angel J. Carchi 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).

  • Alkyl aldonolactone esters and a process for their manufacture
    Patent number: 5529768
    Abstract: C.sub.8-18 alkyl aldonolactone esters which have anionic and nonionic surfactant characteristics are disclosed. A process for preparing the esters enzymatically as well as personal product, cosmetic, detergent and oral hygiene compositions containing the compounds which take advantage of their dual surfactant quality, are also disclosed.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: June 25, 1996
    Assignee: Lever Brothers Company
    Inventors: David J. Pocalyko, Angel J. Carchi, Bijan Harichian, Robert C. Vermeer
  • Straight chain saturated or unsaturated C.sub.8 -C.sub.18 alkyl aldonolactone esters and an enzymatic process for their preparation
    Patent number: 5505938
    Abstract: C.sub.8-18 alkyl aldonolactone esters which have anionic and nonionic surfactant characteristics are disclosed. A process for preparing the esters enzymatically as well as personal product, cosmetic, detergent and oral hygiene compositions containing the compounds which take advantage of their dual surfactant quality, are also disclosed.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: April 9, 1996
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: David J. Pocalyko, Angel J. Carchi, Bijan Harichian, Robert C. Vermeer