The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 1997
Filed:
May. 27, 1993
Applicant:
Inventors:
Robert W Fusi, Stockton, NJ (US);
Gary H Kestenbaum, Highland Mills, NY (US);
Sigmund L Klug, Monroe, NY (US);
Assignee:
Kraft Foods, Inc., Northfield, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A23L / ; A23L / ;
U.S. Cl.
CPC ...
426540 ; 426250 ; 426262 ; 426268 ;
Abstract
Selected high molecular weight gallotannins are incorporated into FD&C dye-containing foodstuffs to prevent staining of polymeric substrates such as wool or nylon rugs and clothing. Gallotannins from sumac leaves and Chinese nut galls are effective at levels of 50 ppm or below.