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:
Dec. 10, 1991
Filed:
Jul. 12, 1989
Applicant:
Inventor:
Howard J Rutherford, Highlands, NJ (US);
Assignee:
International Flavors & Fragrances, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24D / ; A24D / ;
U.S. Cl.
CPC ...
131335 ; 131270 ; 131273 ; 222-3 ; 222-4 ;
Abstract
Articles for providing controlled release of materials such as flavoring and fragrance compositions into an environment, the articles comprising a core of a functional organoleptic composition dispersed within a first polymeric composition and a barrier polymer of a second polymeric substance covering a portion of the total surface area of the core or cores, the uncovered portion of the core directly contacting the environment around the article, with the average molecular weight of the functional composition being greater than 100, and the core comprising a water-soluble polymer mixed with a surfactant or fabric softener.