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. 02, 2014
Filed:
Sep. 07, 2012
Applicant:
Nevin Naguib Sant, Aurora, IL (US);
Inventor:
Nevin Naguib Sant, Aurora, IL (US);
Assignee:
Cabot Microelectronics Corporation, Aurora, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B24B 37/04 (2012.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a polishing composition containing a pyrrolidone polymer, an aminophosphonic acid, a tetraalkylammonium salt, and water, wherein the composition has a pH of about 7 to about 11.7. The invention further provides a method of using such a polishing composition to polish a substrate, especially a substrate containing silicon.
Naguib Sant, Nevin. (2014). Polypyrrolidone polishing composition and method (U.S. Patent No. 8821215). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8821215
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile