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Class Information
Number: 549/327
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen as the only ring hetero atoms (class 540, subclass 1) > Oxygen containing hetero ring (e.g., dioxirane, etc.) > Lactones (i.e., -c(=x)o-, wherein x is chalcogen, is part of the hetero ring) > Acyclic carbon double bonded directly to a ring carbon of a four-membered lactone ring
Description: Compounds in which acyclic carbon is double bonded directly to a ring carbon of a four-membered lactone ring.
Patents under this class:
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