US PATENT SUBCLASS 528 / 127
.~.~.~ With nonketone- or nonphenolic-aldehyde or derivative as a reactant

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
86  DF  .~ FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE {15}
125  DF  .~.~ From ketone-containing phenolic reactant or with ketone-containing reactant {3}
127.~.~.~ With nonketone- or nonphenolic-aldehyde or derivative as a reactant

DEFINITION

Classification: 528/127

(under subclass 125) Subject matter wherein at least one phenol, phenol ether, or inorganic phenolate containing a ketone group is reacted with an aldehyde or derivative which is free of any ketone or phenolic group, or wherein a phenol, phenol ether, or inorganic phenolate is reacted with a ketone-containing reactant and with an aldehyde or derivative which is devoid of any phenolic or ketone groups.

SEE OR SEARCH THIS CLASS, SUBCLASS:

230, for a definition of the term "aldehyde derivative", and see the (2) Note thereunder.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, see the Glossary for definition of the term "aldehyde".