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:
Aug. 27, 2013
Filed:
Dec. 05, 2007
Patrizia Balmelli, Gentilino, CH;
Beat Kilcher, Bosco Luganese, CH;
Patrizia Balmelli, Gentilino, CH;
Beat Kilcher, Bosco Luganese, CH;
KerrHawe SA, Bioggio, CH;
Abstract
A prophylactic (prophy) paste composition comprising about 40 percent by weight to about 55 percent by weight expanded perlite comprising perlite granules in the range of about 20 μm to about 70 μm and floaters. The prophy paste composition further comprises no more than 5 percent by weight of a surfactant, and greater than about 10 percent by weight water. In some embodiments, the inventive paste also contains a humectant and optionally, may contain coloring agents, preservative agents, alcohol, flavoring agents, viscosity increasing agents, and sodium fluoride. The present invention also provides methods for controlling the floater content of the expanded perlite used in the inventive paste and methods of packaging the expanded perlite paste composition in a tube. The present invention also provides a prophy paste product comprising the inventive prophy paste contained within a squeezable tube.