Patent information:

Patent:Utility 2,146,597
Patented:February 7, 1939
Applied:September 16, 1936
Title:Process of Treating Rubber
Description:Rubber treating process
Category:Rubber
Assigned to:General Electric Co.

Patentee Information:

SCHWARTZ, Emil W. Bridgeport, CT
CROASDALE, Evan T. Bridgeport, CT

Class and subclass information:

Class:523SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
Subclass:328 
Class:524SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
Subclass:571SYNTHETIC RESINS (Class 520, Subclass 1) 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) Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof or process of treating or composition thereof Polymer derived from ethylenic reactants only From hydrocarbon monomer Conjugated diene hydrocarbon monomer;
Class:528SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
Subclass:499 
Class:528SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
Subclass:932 

Known specimens:

None known