US PATENT SUBCLASS 585 / 941
.~ Isotope exchange process


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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

*  DD  SPECIAL CHEMICAL CONSIDERATIONS {9}
941.~ Isotope exchange process


DEFINITION

Classification: 585/941

Isotope exchange process:

Collection of documents (under unnumbered subclass SPECIAL CHEMICAL CONSIDERATIONS) which disclose the replacement of a carbon atom or a hydrogen atom of a hydrocarbon compound by a specified or unusual isotope of carbon or hydrogen, e.g., carbon-14, deuterium, etc.

SEE OR SEARCH CLASS

23, Chemistry: Physical Processes,

230.6, for test methods involving isotope exchange.