Polyphenylene-type polymers, preparation method thereof,...

Details Polyphenylene-type polymers, preparation method thereof,... Polyphenylene-type polymers, preparation method thereof,...

2011-01-11

2011-01-11

Eashoo, Mark (Department: 1796)

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

Synthetic resins

From ketone or ketene reactant

C528S391000, C521S027000

Reexamination Certificate

active

07868124

ABSTRACT:
The present invention relates to polymers comprising phenylene units, at least one of which bears a phenylene side group substituted with a perfluoro group or chain, which itself bears an —SO3H, —PO3H2or —CO2H group.Use of this polymer to make fuel cell membranes.

REFERENCES:
patent: 3816373 (1974-06-01), Hoogeboom
patent: 4657990 (1987-04-01), Daoust et al.
patent: 5081214 (1992-01-01), Schneller
patent: 5109110 (1992-04-01), Ogata et al.
patent: 5254223 (1993-10-01), Josowicz et al.
patent: 5403675 (1995-04-01), Ogata et al.
patent: 5668245 (1997-09-01), Marrocco et al.
patent: 5789521 (1998-08-01), Marrocco et al.
patent: 6025092 (2000-02-01), Doyle et al.
patent: 6069223 (2000-05-01), Liggat et al.
patent: 6242123 (2001-06-01), Nezu et al.
patent: 6743861 (2004-06-01), Matsumoto et al.
patent: 6790931 (2004-09-01), Cui et al.
patent: 6902801 (2005-06-01), Charnock et al.
patent: 2002/0045085 (2002-04-01), Formato et al.
patent: 2002/0064680 (2002-05-01), Spreitzer et al.
patent: 2003/0078363 (2003-04-01), Guo et al.
patent: 2003/0104259 (2003-06-01), Oguri et al.
patent: 2003/0129467 (2003-07-01), Morishima et al.
patent: 2004/0110051 (2004-06-01), Srinivas
patent: 2004/0162362 (2004-08-01), Armand et al.
patent: 2006/0166046 (2006-07-01), Dubitsky et al.
patent: 195 35 086 (1997-03-01), None
patent: 0 773 248 (1997-05-01), None
patent: WO 8912390 (1989-12-01), None
patent: WO 94/24717 (1994-10-01), None
patent: WO 96/28491 (1996-09-01), None
patent: WO 98/55534 (1998-12-01), None
patent: WO 0142336 (2001-06-01), None
patent: WO 0170858 (2001-09-01), None
Bloom and Sheares (Macromolecules 2001, 34, 1627-1633).
Ghassemi et al., Polymer, 2004, 5847-5854.
Colon et al. “Coupling of Aryl Chlorides by Nickel and Reducing Metals”J. Org. Chem. 51:2627-2637 (1986).
Pasquale et al. “Poly (p-phenylene) Derivatives via Ni-Catalyzed Coupling of Aromatic Dichlorides”Polymer Preprints38(1):170-171.
Bloom et al. Functional Derivatives of Poly(4′-Fluoro-2,5-Diphenylsulfone) Via Nucleophilic Aromatic SubstitutionPolymer Preprints, ACS40(2):567-568.
Takahashi et al. “Preparation of curable polyarylenes bearing sulfonic acid for proton-conductive membranes” Chemical Abstract XP002241914—Database accession No. 135:304937.

Affiliated with

Also associated with

Rating

Polyphenylene-type polymers, preparation method thereof,... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyphenylene-type polymers, preparation method thereof,..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyphenylene-type polymers, preparation method thereof,... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2648141