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:
Oct. 15, 2002
Filed:
Aug. 08, 2000
Applicant:
Inventors:
Scott K. Palm, Santa Barbara, CA (US);
Bo Wang, Lompoc, CA (US);
Christopher Hayward, Santa Maria, CA (US);
John S. Roulston, Lompoc, CA (US);
Assignee:
Advanced Minerals Corporation, Santa Barbara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 7/26 ; B01D 2/400 ; B01D 3/906 ;
U.S. Cl.
CPC ...
C08K 7/26 ; B01D 2/400 ; B01D 3/906 ;
Abstract
Expanded perlite products having controlled particle size distribution, methods of producing the expanded perlite products, and methods of use thereof are provided. The expanded perlite product has, for example, a low ratio of standard deviation of particle size distribution to median particle size (for example, less than 0.63) and low median particle size (for example, less than 50 microns). The expanded perlite product may be used in a variety of applications including filter applications.