US PATENT SUBCLASS 522 / 69
.~.~.~.~ Phenolic, e.g., hydroquinone, etc.


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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ COMPOSITIONS TO BE POLYMERIZED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR COMPOSITIONS TO BE MODIFIED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR PROCESSES OF PREPARING OR TREATING A SOLID POLYMER UTILIZING WAVE ENERGY {27}
6  DF  .~.~ Compositions to be polymerized or modified by wave energy wherein said composition contains at least one specified rate-affecting material; or processes of preparing or treating a solid polymer utilizing wave energy in the presence of at least one specified rate-affecting material; e.g., nitrogen containing photosensitizer, oxygen containing photoinitiator, etc. wave energy in order to prepare a cellular product {14}
68  DF  .~.~.~ Specified rate-affecting material contains oxygen {1}
69.~.~.~.~ Phenolic, e.g., hydroquinone, etc.


DEFINITION

Classification: 522/69

Phenolic, e.g., hydroquinone, etc.:

(under subclass 68) Subject matter wherein the oxygen atom is part of a phenolic group.

(1) Note. See Class 520, Glossary, under "phenolic reactant" for a definition of the term "phenol".