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:
May. 02, 1989
Filed:
Dec. 29, 1987
Applicant:
Inventor:
Pui K Wong, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525539 ; 525 61 ; 5253288 ; 525383 ; 526 72 ; 528392 ;
Abstract
Reaction of a linear alternating copolymer of carbon monoxide and ethylene with a 1,2-dihydroxyalkane of up to 1 additional hydroxyl group produce polydioxolanes having dioxolane moieties attached to the polymer chain through a common carbon atom and furan moieties within the polymer chain.