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:
May. 12, 1992
Filed:
Nov. 30, 1990
Applicant:
Inventor:
Bryony E Coulson, Port Sunlight, GB;
Assignee:
Chesebrough-Pond's USA Co., division of Conopco, Inc., Greenwich, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 52 ; 424 57 ;
Abstract
The present invention relates to oral compositions such as dentifrices which contain hydroxyapatite as abrasive material. The compatibility of hydroxyapatite with fluorine-containing anti-caries agents is improved by providing a pH of the oral compositions of between 7.0 and 11.0.