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:
Mar. 27, 1979
Filed:
Oct. 07, 1977
Applicant:
Inventor:
Thomas W Ritchey, Norwood, NJ (US);
Assignee:
Lever Brothers Company, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 49 ; 424154 ;
Abstract
A method and a composition for retarding calculus are disclosed. The composition includes aluminum compounds, which when titrated with NaF have an F/Al ratio of about 1.2 or greater, in combination with an orally acceptable vehicle. The vehicle is compatible with the aluminum compound used and with the pH desired. The method generally includes applying the aluminum compound at a pH of less than about 4.5 to the site of the calculus.