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. 19, 1989
Filed:
Dec. 22, 1987
Applicant:
Inventor:
Lin-Chen Yu, Allison Park, PA (US);
Assignee:
Mine Safety Appliances Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558302 ;
Abstract
Phenyl isonitriles are prepared by reaction of substantially equimolar amounts on N-arylformimidates and a lithium dialkylamide.
Yu, Lin-Chen. (1989). Preparation of isonitriles (U.S. Patent No. 4868323). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4868323
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile