US PATENT SUBCLASS 524 / 302
.~.~.~.~.~.~.~ Sulfur, e.g., factice, etc.


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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
1  DF  .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
80  DF  .~.~.~ DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon {4}
81  DF  .~.~.~.~ Organic DNRM {21}
284  DF  .~.~.~.~.~ Carboxylic acid or derivative and wherein the derivative is other than a metal salt DNRM {3}
300  DF  .~.~.~.~.~.~ Two or more carbon atoms {8}
302.~.~.~.~.~.~.~ Sulfur, e.g., factice, etc. {1}
303  DF  .~.~.~.~.~.~.~>.~ Only two carboxylic acid or ester groups, e.g., distearyl thiodipropionate, etc. {1}


DEFINITION

Classification: 524/302

Sulfur, e.g., factice, etc.:

(under subclass 300) Subject matter wherein the carboxylic acid or derivative contains a sulfur atom, e.g., thioglycolic acid, etc.

(1) Note. Included herein is factice which is vulcanized drying oil usually produced by treatment of drying oil with sulfur or SC12.

SEE OR SEARCH THIS CLASS, SUBCLASS:

155+, for a sulfur containing organic compound having a sulfur atom directly bonded to oxygen.

280, for thio carbonic acids.

282, for thio acids.