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. 31, 1989
Filed:
May. 16, 1988
Applicant:
Inventors:
Dennis D Keith, Montclair, NJ (US);
Chung-Chen Wei, Cedar Knolls, NJ (US);
Manfred Weigele, North Caldwell, NJ (US);
Assignee:
Hoffman-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
540312 ; 540314 ; 540335 ; 540338 ; 540339 ; 540342 ;
Abstract
There are presented compounds of the formula ##STR1## wherein R.sub.2, R.sub.3, R.sub.4 and m are as described herein.
Quick Actions:
Keith, Dennis. (1989). Methylene penam and derivatives thereof (U.S. Patent No. 4801704). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4801704
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