Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > 1-thia-4-aza-bicyclo (3.2.0) heptane ring containing (including dehydrogenated) (e.g., penicillins, etc.) > 6,6-di-substituted > Patents - Class: 514/194, Page: 2

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Class Information
Number: 514/194
Name: Drug, bio-affecting and body treating compositions > Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > 1-thia-4-aza-bicyclo (3.2.0) heptane ring containing (including dehydrogenated) (e.g., penicillins, etc.) > 6,6-di-substituted
Description: Subject matter wherein the bicyclo heptane ring system contains two substituents other than hydrogen in 6-position.

Patents under this class:

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Patent Number	Title Of Patent	Date Issued
4189482	Penicillins having an imino substituted piperazindioncarbonylamino acyl sidechain	Feb. 19, 1980
4154845	Derivatives of 6-aminopenicillanic acid	May. 15, 1979
4147693	.beta.Lactam antibiotics and process for their use	Apr. 3, 1979
4048320	Penicillins	Sep. 13, 1977
4031229	Penicillins and processes for their preparation and use	Jun. 21, 1977

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