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:
Apr. 14, 2020
Filed:
Dec. 31, 2018
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);
Joseph Michael Dennis, San Jose, CA (US);
SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
A polyimide oligomer of the formula wherein G is a group having a valence of t, each R is independently a Cdivalent bridging group, a Calkylene-X, or a Carylene-X wherein —X is —O-M', —C(O)O-M′, —OC(O)O-M′, —S-M′, —S(O)-M′, —S(O)-M′, —OS(O)-M′, or —OP(O)-M′ wherein each M′ is independently Li, Na, K, Cs, Mg, Ca, Sr, Cr, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, In, Ge, Sn, Pb, As, or Sb, provided that at least one R is Calkylene-X or Carylene-X, q is 0 or 1, m is 0 or 1, d is 0 or 1, p is 1 or 2, t is 1 to 6, and each n is independently 1 to 1,000, the total of all values of n is greater than 4, the polyimide oligomer is thermoplastic, and Q, M, D, and V are as provided herein.