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:
Dec. 08, 1981
Filed:
Dec. 19, 1980
Applicant:
Inventor:
Leo M Landoll, Wilmington, DE (US);
Assignee:
Hercules Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528419 ; 568624 ; 568625 ; 260 / ;
Abstract
Disclosed are copolymers of ethylene oxide and epoxy-n-alkane of 12 to 25 carbon atoms. These copolymers exhibit greater viscosity in water or in aqueous acid solutions than do ethylene oxide homopolymers of comparable molecular weight and this greater viscosity is more stable to mechanical shear.
Landoll, Leo. (1981). Copolymers of ethylene oxide with long chain epoxides (U.S. Patent No. 4304902). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4304902
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile