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:
Jan. 18, 2000
Filed:
Jan. 14, 1998
Applicant:
Inventors:
Peter Van Vlasselaer, Sunnyvale, CA (US);
Shirin W Hasan, Sunnyvale, CA (US);
Assignee:
Dendreon Corporation, Seattle, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ; C08K / ;
U.S. Cl.
CPC ...
522 84 ; 522 85 ; 524837 ; 524838 ; 2523132 ; 252314 ; 2523152 ; 2523156 ; 435-2 ;
Abstract
A method of preparing an aqueous suspension of organosilanized colloidal silica particles is disclosed. Such particles are used in a variety of applications including density gradient separation media, anti-abrasion coatings and toner materials. The disclosed process is environmentally safe and produces a product that is aqueous and non-toxic to most biological cells.
Van Vlasselaer, Peter. (2000). Process for making silanized colloidal silica (U.S. Patent No. 6015843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6015843
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile