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. 21, 1999
Filed:
Jul. 15, 1996
Applicant:
Inventor:
John J Discko, Jr, Hamden, CT (US);
Assignee:
Centrix, Inc., Shelton, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C09K / ;
U.S. Cl.
CPC ...
252 791 ; 252 792 ; 252 794 ;
Abstract
This disclosure relates to an anhydrous dental etchant composition that includes a mixture of phosphoric acid or an equivalent and anhydrous glycerin having a final acid concentration in the range of 10% to 40%, and having a trace of a color indicator therein; and a unit package and dispenser for the anhydrous dental etch that includes an applicator and a predetermined amount of anhydrous etchant which is self contained for single patient application and which can be readily disposed of after use.