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, 1977
Filed:
Jan. 19, 1976
Applicant:
Inventors:
Kenneth Tomlinson, Bramhall, EN;
Edward John Duff, Sandbach, EN;
Assignee:
Colgate-Palmolive Company, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 52 ; 424 49 ; 424 57 ; 424128 ; 424140 ; 424145 ; 424151 ;
Abstract
Dental preparations containing materials having calcium and phosphate components are described. Such materials are typically fluorapatite, fluorohydroxyapatite, hydroxyapatite prepared by alternately changing the pH from about 7 to about 4 to about 7 several times, including such materials which have incorporated therein ions such as monofluorophosphate and carbonate or divalent ions such as zinc or fluoranions of a metal such as zinc, e.g. ZnF.sub.4.sup.-2.