Combination of main-chain and side-chain sulfonation of...

Details Combination of main-chain and side-chain sulfonation of... Combination of main-chain and side-chain sulfonation of...

2010-04-16

2011-10-25

Lipman, Bernard (Department: 1762)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C526S250000, C526S252000, C526S253000, C526S254000

Reexamination Certificate

active

08044146

ABSTRACT:
A polymer useful as an ion conducting membrane for fuel cell applications includes both main chain and side chain protogenic groups. Methods for preparing the polymer include addition of the side chains both before and after addition of the protogenic groups.

REFERENCES:
patent: 5021602 (1991-06-01), Clement et al.
patent: 5037917 (1991-08-01), Babb et al.
patent: 5066746 (1991-11-01), Clement et al.
patent: 5159037 (1992-10-01), Clement et al.
patent: 5159038 (1992-10-01), Babb et al.
patent: 5910378 (1999-06-01), Debe et al.
patent: 6124060 (2000-09-01), Akita et al.
patent: 6183668 (2001-02-01), Debe et al.
patent: 6277512 (2001-08-01), Hamrock et al.
patent: 6444343 (2002-09-01), Prakash et al.
patent: 6523699 (2003-02-01), Akita et al.
patent: 6559237 (2003-05-01), Mao et al.
patent: 6847518 (2005-01-01), Fukuda et al.
patent: 6875537 (2005-04-01), Tani et al.
patent: 6926984 (2005-08-01), Asano et al.
patent: 6933068 (2005-08-01), Asano et al.
patent: 6953653 (2005-10-01), Smith et al.
patent: 6986962 (2006-01-01), Oyanagi et al.
patent: 7001929 (2006-02-01), Goto et al.
patent: 7045241 (2006-05-01), Akita et al.
patent: 2001/0018144 (2001-08-01), Watakabe et al.
patent: 2002/0014405 (2002-02-01), Arcella et al.
patent: 2003/0017379 (2003-01-01), Menashi
patent: 2004/0214058 (2004-10-01), Tada et al.
patent: 2004/0214065 (2004-10-01), Kanaoka et al.
patent: 2005/0014927 (2005-01-01), Akita
patent: 2005/0043487 (2005-02-01), Felix et al.
patent: 2005/0048342 (2005-03-01), Wakahoi et al.
patent: 2005/0053810 (2005-03-01), Kato et al.
patent: 2005/0058864 (2005-03-01), Goebel
patent: 2005/0064260 (2005-03-01), Otsuki et al.
patent: 2005/0100770 (2005-05-01), Sugawara et al.
patent: 2005/0106440 (2005-05-01), Komiya
patent: 2005/0116206 (2005-06-01), Kakuta et al.
patent: 2005/0130024 (2005-06-01), Otsuki et al.
patent: 2005/0142397 (2005-06-01), Wakahoi et al.
patent: 2005/0143530 (2005-06-01), Iwadate et al.
patent: 2005/0175886 (2005-08-01), Fukuda et al.
patent: 2005/0197467 (2005-09-01), Komiya et al.
patent: 2005/0227138 (2005-10-01), Fukuda et al.
patent: 2005/0233181 (2005-10-01), Wariishi et al.
patent: 2005/0260474 (2005-11-01), Asano et al.
patent: 2006/0019147 (2006-01-01), Fukuda et al.
patent: 2006/0127728 (2006-06-01), Otsuki et al.
patent: 2006/0177719 (2006-08-01), Fuller et al.
patent: 2007/0042242 (2007-02-01), Tada et al.
patent: 2007/0099054 (2007-05-01), Fuller et al.
patent: 2007/0141237 (2007-06-01), Okiyama et al.
patent: 2008/0027152 (2008-01-01), Maier et al.
patent: 2009/0278083 (2009-11-01), Fuller et al.
patent: 2009/0278091 (2009-11-01), MacKinnon et al.
patent: 2009/0281245 (2009-11-01), MacKinnon et al.
patent: 2009/0281262 (2009-11-01), MacKinnon et al.
patent: 2009/0281270 (2009-11-01), Fuller et al.
patent: 2003535929 (2003-12-01), None
patent: 2005129298 (2005-05-01), None
patent: 2005166557 (2005-06-01), None
patent: 2005179380 (2005-07-01), None
patent: 2009 249 487 (2009-10-01), None
patent: 2004/051776 (2004-06-01), None
patent: 2007/052954 (2007-05-01), None
Smith, D.W. et al., “Perfluorocyclobutane Aromatic Polyethers. Synthesis and Characterization of New Siloxane-Containing Fluoropolymers,” Macromolecules 1996, v. 29, pp. 852-860.
Smith, D.W. et al., “Perfluorocyclobutane (PFCB) polyaryl ethers: versatile coatings material,” J. of Fluorine Chem., v. 104, pp. 109-117 (2000).
Souzy, R. et al., “Functional fluoropolymers for fuel cell membranes,” Solid State Ionics, v. 176, pp. 2839-2848 (2005).
Souzy, R. et al., “Functional fluoropolymers for fuel cell membranes,” Prog. Polm. Sci. 30, 2005, pp. 644-687.
“Fluorel Technical Data Sheets,” MatWeb Material Property Data website, http://www.matweb.com/search/GetMatlsByTradename.aspx?navletter=F&tn=Fluorel%E2%84%A2, (2010).
Nafion perfluorinated resin, Sigma-Aldrich Online Catalog, http://www.sigmaaldrich.com/catalog/ProductDetail.do?lang=en&N4=495786|ALDRICH&N5=SEARCH—CONCAT—PNO|BRAND—KEY&F=SPEC, (2010).
Ford, L.A. et al., “New Aromatic Perfluorovinyl Ether Monomers Containing the Sulfonimide Acid Functionality,” Polymeric Materials Science & Eng., v. 83, 2000, pp. 10-11 (American Chemical Society).
Souzy, R. et al., “Synthesis and (co)polymerization of monofluoro, difluoro, trifluorostyrene and ((trifluorovinyl)oxy) benzene,” Prog. Polm. Sci. 29 (2004), pp. 75-106.

Affiliated with

Also associated with

Rating

Combination of main-chain and side-chain sulfonation 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 Combination of main-chain and side-chain sulfonation of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combination of main-chain and side-chain sulfonation of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4275885