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. 03, 2012
Filed:
Nov. 09, 2009
Applicants:
Ellen Klegraf, Brig-Glis, CH;
Thomas Grützner, Brig, CH;
Jan Keller, Visp, CH;
Inventors:
Assignee:
Lonza Ltd., Basel, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01C 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of ethanedinitrile, by reading hydrocyanic acid in the liquid phase with nitric acid in the presence of a cupric ion catalyst.
Klegraf, Ellen. (2012). Process for the preparation of ethanedinitrile (U.S. Patent No. 8088351). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8088351
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile