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:
Aug. 04, 1981
Filed:
Oct. 21, 1975
Jan Verwey, Leiden, NL;
Hong S Tan, Bleiswijk, NL;
Gist-Brocades N.V., Delft, NL;
Abstract
New azetidine derivatives of the formula: ##STR1## wherein R.sub.1 represents a penicillin- or cephalosporin-amido group, R.sub.2 represents one of the groups of the following formulae: ##STR2## wherein R.sub.4, R.sub.5 and R.sub.6 are the same or different and each represents a hydrogen atom or a lower alkyl or alkenyl group, n represents 2 or 3 and--in case formula IIB represents a phenyl group--this group may carry one to four further substituents selected from the group consisting of halogen atoms and lower alkyl, lower alkenyl and phenyl groups,
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile