US PATENT SUBCLASS 522 / 902
AIR INHIBITION

Current as of: June, 1999
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522 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

902AIR INHIBITION

DEFINITION

Classification: 522/902

AIR INHIBITION:

Subject matter involving reaction problems due to the presence of air during a wave energy step.

SEE OR SEARCH THIS CLASS, SUBCLASS:

915, for the use of an inert gas, steam, nitrogen gas, or carbon dioxide as replacement atmospheres for air.