Patents by Inventor Arend Zwanenburg

Arend Zwanenburg 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).

  • Process for obtaining oryzanol
    Publication number: 20010047101
    Abstract: Process for the obtaining of an oryzanol concentrate from an oryzanol containing fatty substance which preferably is a crude oil, by the steps of
    Type: Application
    Filed: July 3, 2001
    Publication date: November 29, 2001
    Applicant: Lipton, Division of Conopco, Inc.
    Inventors: Marnix P. van Amerongen, Cornelis Hofman, Arend Zwanenburg
  • Mild refining of triglyceride oil
    Patent number: 6147237
    Abstract: Process for refining a triglyceride oil comprising stripping a triglyceride oil with an inert gas, characterized in that the refining process further comprises the preceding exposure of the triglyceride oil to an aqueous solution of ascorbic acid. Hydroperoxides are destroyed at a temperature <120.degree. C. and within one hour.
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: November 14, 2000
    Assignee: Lipton, Inc.
    Inventors: Arend Zwanenburg, Marcho Stefanov Kouumdjiev, Jose Anibal Trujillo-Quijano
  • Process for refining soap-containing crude polyol fatty-acid polyester reaction products
    Patent number: 5250155
    Abstract: A process for refining soap-containing crude polyol fatty-acid polyester reaction product, the process including one or more high-temperature refining treatments and as the first step in the refining process, contacting the crude reaction product with an acid to substantially convert the soap into its corresponding free fatty acids, and the subsequent step of substantially removing from the crude reaction product any salts therein prior to said one or more high-temperature refining treatments.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: October 5, 1993
    Assignee: Van den Bergh Foods Co., Division of Conopco, Inc.
    Inventors: Arend Zwanenburg, Bart Barmentlo
  • Process for refining soap-containing crude polyol fatty-acid polyester reaction products
    Patent number: 5239097
    Abstract: The present invention pertains to a process for refining soap-containing crude polyol fatty-acid polyester reaction product, comprising the step of contacting the crude reaction product with an aqueous acid solution to substantially convert the soap into its corresponding free fatty acids, the subsequent step of drying said crude reaction product to substantially remove any free-water therein, and the step of substantially removing from the dried crude reaction product any salts therein.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: August 24, 1993
    Assignee: Van den Bergh Foods, Co., Division of Conopco, Inc.
    Inventors: Frederik D. Barkey Wolf, Bart Barmentlo, Anton R. Immerseel, Otto E. Rosier, Arend Zwanenburg