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:
Sep. 13, 1988
Filed:
Nov. 06, 1987
Applicant:
Inventor:
James N Greenshields, Wilmington, DE (US);
Assignee:
ICI Americas Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 49 ; 424 48 ; 424464 ; 549464 ; 514469 ;
Abstract
A blend of mono- and dialkyl-1,4:3,6-dianhydrosorbitol is made by alkylation of 1,4:3,6-dianhydrosorbitol with dialkyl carbonate in the presence of a base catalyst. Mono- and dialkylated blends obtained therefrom are useful in plaque inhibiting dentrifice compositions.
Greenshields, James. (1988). Process for the preparation of dianhydrosorbitol ethers (U.S. Patent No. 4770871). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4770871
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile