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:
Nov. 15, 2022
Filed:
Dec. 30, 2019
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Roy Ray Odle, Mt. Vernon, IN (US);
Ke Cao, Blacksburg, VA (US);
Guoliang Liu, Blacksburg, VA (US);
Timothy Edward Long, Blacksburg, VA (US);
SHPP GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
A polyimide oligomer of formula (1a), (1b), a copolymer thereof, or a combination thereof wherein each Gis independently the same or different, and is a cation group; each Gis independently the same or different, and is an anion group; each D is independently the same or different, and is a single bond or Cdivalent hydrocarbon group; each V is independently the same or different, and is a tetravalent Chydrocarbon group; each R is independently the same or different, and is a Cdivalent hydrocarbon group; each n is independently the same or different, and is 1 to 1000, provided that the total of all values of n is greater than 4; and t is 2 to 1000.