The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 24, 1980
Filed:
Feb. 02, 1978
Applicant:
Inventors:
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; B01D / ;
U.S. Cl.
CPC ...
521 33 ; 525343 ;
Abstract
A process of sulfonating a crosslinked copolymer to yield a cation exchange resin using liquid sulfur trioxide dissolved in a chlorinated hydrocarbon solvent as the sulfonating reagent.
Akiyama, Hiroshi. (1980). Sulphonation method for manufacture of a cation exchange resin (U.S. Patent No. 4209592). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4209592
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile