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:
Jun. 04, 2002
Filed:
Sep. 14, 1999
Applicant:
Inventor:
Peter W. Stanier, Sandbach, GB;
Assignee:
Crosfield Limited, Warrington, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/300 ; C01B 3/312 ; C01B 3/318 ; C01B 3/3187 ; C01B 3/3193 ;
U.S. Cl.
CPC ...
A61K 3/300 ; C01B 3/312 ; C01B 3/318 ; C01B 3/3187 ; C01B 3/3193 ;
Abstract
An amorphous silica having an RDA value of between 40 and 70, an oil absorption capacity of between 90 and 145 cc/100 g and a moisture loss of less than 7% w/w, can be incorporated at a 10% to 25% loading into a transparent toothpaste having a refractive index of below 1.445, this toothpaste having an RDA value of less than 60.