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. 12, 1990
Filed:
May. 19, 1989
Applicant:
Inventors:
Neil J Bristow, New South Wales, AU;
Peter Carter, Burton, GB;
Bryony E Coulson, Port Sunlight, GB;
Michael A Trevethan, Bebington, GB;
Assignee:
Unilever Patent Holdings B.V., Rotterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 57 ; 424 49 ;
Abstract
The present invention relates to oral compositions for treating sensitive teeth. These compositions comprise an agent for desensitizing sensitive teeth, such as potassium nitrate of strontium acetate, and a particulate abrasive material which is hydroxyapatite. The hydroxyapatite is compatible with the desensitizing agent.