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.

Date of Patent:
Jan. 06, 1987

Filed:

May. 06, 1985
Applicant:
Inventor:

Donald G Prier, Baton Rouge, LA (US);

Assignee:

The Dow Chemical Company, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525462 ; 525403 ; 525409 ; 525394 ; 525433 ; 525439 ; 525535 ; 525537 ; 527300 ; 527400 ; 528370 ;
Abstract

The invention is a block copolymer useful in the preparation of polyurethanes. The polyether polycarbonate block copolymer comprises


Find Patent Forward Citations

Quick Actions:

Prier, Donald. (1987). Novel polyether polycarbonate block copolymers and polyurethanes (U.S. Patent No. 4634743). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4634743

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…