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:
May. 05, 1998
Filed:
Oct. 17, 1996
Applicant:
Inventor:
William H Mullee, Portland, OR (US);
Assignee:
Advanced Micro Devices, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C / ;
U.S. Cl.
CPC ...
423352 ;
Abstract
A process for obtaining an ultra-high purity aqueous ammonium hydroxide solution according to the invention includes the steps of reacting highly pure, typically electronics grade, ammonia (NH.sub.3) with ultrapure water (upw) under conditions effective to produce an ultra-high purity stream of aqueous ammonium hydroxide (NH.sub.4 OH) which is available for immediate use in a wide variety of applications especially those requiring high purity aqueous solutions of ammonium hydroxide.
Quick Actions:
Mullee, William. (1998). Process for manufacture of ultra-high purity ammonium hydroxide (U.S. Patent No. 5746993). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5746993
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile