Polyimide comprising sulfonic acid group at the terminal of...

Details Polyimide comprising sulfonic acid group at the terminal of... Polyimide comprising sulfonic acid group at the terminal of...

2005-02-08

2008-12-16

Sergent, Rabon (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S312000, C528S313000, C528S314000, C528S317000, C528S350000, C528S353000, C528S356000, C528S364000, C528S480000, C528S481000, C528S482000, C528S483000, C525S421000, C525S422000

Reexamination Certificate

active

07465780

ABSTRACT:
The present invention is related to a polyimide, which has high ionic conductivity and good structural stability, does not decompose even under low humidity, and is inexpensive, and a polymer electrolyte and a fuel cell using the same. In particular, the polyimide of the present invention has a repeating unit of Formula (1) below and also includes a reactive blocking group derived from a monoamine compound or monoanhydride compound having at least one carbon-carbon double bond at a terminal or at both terminals:

REFERENCES:
patent: 2003/0035991 (2003-02-01), Colombo et al.
patent: 2004/0096773 (2004-05-01), Jung et al.
patent: 2004/0097695 (2004-05-01), Yoon
Encylclopedia of Polym Sci and Tech , “Polyimides”, p. 19, 2002, Wiley and Sons, 2002.

Affiliated with

Also associated with

Rating

Polyimide comprising sulfonic acid group at the terminal of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyimide comprising sulfonic acid group at the terminal of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyimide comprising sulfonic acid group at the terminal of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4042058