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. 11, 1984
Filed:
Jul. 14, 1982
Applicant:
Inventors:
Derek H Barton, Gif S. Yvette, FR;
John D Elliott, Bures S. Yvette, FR;
Stephan D Gero, Les Ulis, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
564240 ; 564241 ; 560116 ; 560117 ;
Abstract
Compounds of the formula ##STR1## in which R.sub.1, R.sub.1 ', R.sub.2, R.sub.2 ' and R.sub.3 independently represent a C.sub.1-6 alkyl radical, in addition to which R.sub.3 may represent a hydrogen atom, the alkyl radicals together containing in all at least 8 carbon atoms, are provided for use as highly sterically hindered bases in chemical syntheses.
Barton, Derek. (1984). Highly sterically hindered guanidines and process for the production (U.S. Patent No. 4471137). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4471137
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile