AT270141T

Novel blend polymer membranes for use in fuel cells

Abstract

The invention relates to a taking the sulfonation aryl residue polymer and base function polymer, taking amination or the nitration polyether sulfone and/or polyether ether sulfone and base sheet polymer and plasticizer novel polymer polyblend film, and they as the fuel battery, comprising a low temperature fuel battery by polymer electrolytic protoplasmic film.

Term

Term ended

Expired 1 March 2021, 5.6 years ago.

18 members in 12 offices

This recordMember, by publication datePriority claim2 more offices are in the list below

Priority claims2

Priority claims
Document	Office	Kind	Date
10010001	Germany	A	2000-03-02
0102311	European Patent Office (EPO)	W	2001-03-01

Members18

Family members, oldest first
Document	Office	Kind
DE10010001A1	Germany	A1	2001-09-06
CA2401838A1	Canada	A1	2001-09-07
WO0164322A1	World Intellectual Property Organization (WIPO)	A1	2001-09-07
KR20020084165A	Republic of Korea	A	2002-11-04
EP1268045A1	European Patent Office (EPO)	A1	2003-01-02
MXPA02008584A	Mexico	A	2003-02-24
CN1406150A	China	A	2003-03-26
JP2003526716A	Japan	A	2003-09-09
US2003187081A1	United States of America	A1	2003-10-02
EP1268045B1	European Patent Office (EPO)	B1	2004-06-30
AT270141TThis record	Austria	T	2004-07-15
DE50102740D1	Germany	D1	2004-08-05
DK1268045T3	Denmark	T3	2004-11-15
US6869980B2	United States of America	B2	2005-03-22
ES2228818T3	Spain	T3	2005-04-16
CN1227056C	China	C	2005-11-16
KR100734800B1	Republic of Korea	B1	2007-07-03
CA2401838C	Canada	C	2007-09-18

2 legal events, as the office reported them to INPADOC

Over the term

Point at a mark for the event

Events

Legal events, newest first
	Event	Code
2011-12-15	Ceased due to non-payment of the annual feeCeasedREN	REN
2006-02-15	Change in the person of patent ownerEEIH	EEIH