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. 22, 1998
Filed:
May. 13, 1996
Applicant:
Inventors:
Craig R Bruns, San Ramon, CA (US);
Thomas S Blake, Danville, CA (US);
Mark S Fernwood, Danville, CA (US);
Assignee:
Danville Engineering, San Ramon, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
433 88 ; 433216 ; 424 49 ;
Abstract
The present invention describes a novel composition and system for use for removal of organic and inorganic materials from a variety of substrates, including a tooth surface, without damage occurring to the substrate. The disclosed composition comprises a friable abrasive particle which when propelled by a gas stream at a surface for a time sufficient departs adequate energy to remove organic and inorganic materials from the surface without causing any significant ablation of the surface.