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:
Mar. 31, 2009
Filed:
Jul. 21, 2004
Daniel Alvarez, Jr., San Diego, CA (US);
Jeffrey J. Spiegelman, San Diego, CA (US);
Joshua T. Cook, Encinitas, CA (US);
Tram Doan Nguyen, Westminster, CA (US);
Daniel A. Lev, Somerville, MA (US);
Troy B. Scoggins, San Diego, CA (US);
Daniel Alvarez, Jr., San Diego, CA (US);
Jeffrey J. Spiegelman, San Diego, CA (US);
Joshua T. Cook, Encinitas, CA (US);
Tram Doan Nguyen, Westminster, CA (US);
Daniel A. Lev, Somerville, MA (US);
Troy B. Scoggins, San Diego, CA (US);
Entegris, Inc., Chaska, MN (US);
Abstract
A method for hydride gas purification uses materials having at least one lanthanide metal or lanthanide metal oxide. The method reduces contaminants to less than 100 parts per billion (ppb), preferably 10 ppb, more preferably 1 ppb. The material can also include transition metals and transition metal oxides, rare earth elements and other metal oxides. The invention also includes materials for use in the method of the invention.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile