USPC Class Details

Description: 435 chemistry: molecular biology and microbiology / 435 chemistry: molecular biology and microbiology/(41) micro-organism, tissue cell culture or enzyme using process to synthesize a desired chemical compound or composition (43) preparing compound having a 1-thia-4-aza-bicyclo (3.2.0) heptane ring system (e.g., penicillin, etc.) (45) by acylation of the substituent in 6-position

Hierarchy/Derived subclasses

435 / 41-> 43-> 45

uspto searches

Patent Apps in 435/45

Granted Patents in 435/45

Use the links above or do an advanced search in ppubs for:
(435/45.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.
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