US PATENT SUBCLASS 525 / 134
.~.~.~.~ Contacting with aldehyde or aldehyde-type reactant or polymer therefrom


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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
50  DF  .~ MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS {32}
55  DF  .~.~ At least one solid polymer derived from ethylenic reactants only {25}
132  DF  .~.~.~ With saturated phenolic reactant or polymer thereof; or with solid copolymer derived from at least one phenolic reactant wherein at least one of the reactants forming the solid copolymer is saturated; or with SPFI wherein at least one of the necessary ingredients is a phenolic reactant or with a reaction product thereof; or with a SICP containing a phenolic group Si-H or Si-C bond {8}
134.~.~.~.~ Contacting with aldehyde or aldehyde-type reactant or polymer therefrom {9}
135  DF  .~.~.~.~.~> At least two distinct phenols, phenol ethers, inorganic phenolates, or mixtures thereof prior to reaction with aldehyde or aldehyde-type reactant derived from tall oil
136  DF  .~.~.~.~.~> Phenolic reactant prior to contact with aldehyde or aldehyde-type reactant contains an atom other than C, H, or O
137  DF  .~.~.~.~.~> Phenolic reactant prior to contact with aldehyde or aldehyde-type reactant contains at least two aryl rings each of which contains phenolic substituents
138  DF  .~.~.~.~.~> With nonethylenic, nonaldehyde, or nonaldehyde-type reactant containing an atom other than C, H, or O
139  DF  .~.~.~.~.~> Solid polymer derived from ethylenic reactants only is derived from reactant containing at least two ethylenic groups {2}
142  DF  .~.~.~.~.~> Solid polymer derived from ethylenic reactants only is derived from a nitrogen-containing reactant
143  DF  .~.~.~.~.~> Solid polymer derived from ethylenic reactants only is derived from a reactant containing a carboxylic acid or derivative thereof
144  DF  .~.~.~.~.~> Solid polymer derived from ethylenic reactants only is derived from a reactant containing at least one halogen atom
145  DF  .~.~.~.~.~> Solid polymer derived from ethylenic reactants only is derived from an acyclic hydrocarbon


DEFINITION

Classification: 525/134

Contacting additionally with aldehyde or aldehyde-type reactant or polymer therefrom:

(under subclass 132) Subject matter wherein the solid polymer from ethylenic reactants only is contacted, in addition, with an aldehyde or aldehyde-type reactant or polymer thereof.

SEE OR SEARCH CLASS

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