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:
Nov. 24, 1992
Filed:
Oct. 18, 1991
Applicant:
Inventors:
Joo H Song, Northbrook, IL (US);
Charles M Copper, Westmont, IL (US);
Assignee:
Wm. Wrigley Jr. Company, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
A23G / ;
U.S. Cl.
CPC ...
426-5 ; 426548 ; 426804 ; 426516 ; 426 96 ; 426517 ;
Abstract
Gradual release structures for the release of active agents in chewing gum and a process for making such structures are provided. The gradual release structures are formed by extrusion techniques through slot dies and comprise an active agent and a wall material.