Global Patent Index - EP 1080272 A1

EP 1080272 A1 2001-03-07 - A PROCESS FOR THE PRODUCTION OF PAPER

Title (en)

A PROCESS FOR THE PRODUCTION OF PAPER

Title (de)

VERFAHREN ZUR HERSTELLUNG VON PAPIER

Title (fr)

PROCEDE DE PRODUCTION DE PAPIER

Publication

EP 1080272 A1 (EN)

Application

EP 99927016 A

Priority

  • EP 99927016 A
  • EP 98850067 A
  • SE 9900677 W
  • US 8325398 P

Abstract (en)

[origin: EP0953680A1] The invention relates to a process for the production of paper from a suspension containing cellulosic fibres, and optional fillers, which comprises adding to the suspension a drainage and/or retention aid comprising a cationic organic polymer, forming and dewatering the suspension on a wire, wherein the cationic organic polymer has an aromatic group and the suspension which is dewatered on the wire has a conductivity of at least 2.0 mS/cm.

IPC 1-7 (main, further and additional classification)

D21H 23/08

IPC 8 full level (invention and additional information)

C08F 220/34 (2006.01); C08F 220/56 (2006.01); D21F 1/66 (2006.01); D21H 11/00 (2006.01); D21H 17/24 (2006.01); D21H 17/28 (2006.01); D21H 17/29 (2006.01); D21H 17/32 (2006.01); D21H 17/44 (2006.01); D21H 17/45 (2006.01); D21H 17/67 (2006.01); D21H 17/68 (2006.01); D21H 21/10 (2006.01); D21H 23/00 (2006.01); D21H 23/04 (2006.01); D21H 23/08 (2006.01); D21H 23/14 (2006.01); C08F 20/56 (2006.01); D21H 11/14 (2006.01); D21H 17/01 (2006.01); D21H 17/37 (2006.01); D21H 23/10 (2006.01)

CPC (invention and additional information)

D21H 23/08 (2013.01); D21H 21/10 (2013.01); D21H 11/14 (2013.01); D21H 17/01 (2013.01); D21H 17/24 (2013.01); D21H 17/28 (2013.01); D21H 17/32 (2013.01); D21H 17/375 (2013.01); D21H 17/455 (2013.01); D21H 17/68 (2013.01); D21H 23/10 (2013.01)

Citation (search report)

See references of WO 9955965A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB IT LI NL PT SE

EPO simple patent family

EP 0953680 A1 19991103; AT 243281 T 20030715; AT 243282 T 20030715; AT 257530 T 20040115; AU 4301499 A 19991116; AU 4401599 A 19991116; AU 4401699 A 19991116; AU 747089 B2 20020509; AU 748735 B2 20020613; AU 750335 B2 20020718; BR 9909945 A 20001226; BR 9909945 B1 20090811; BR 9909946 A 20010306; BR 9909946 B1 20091201; BR 9909947 A 20001226; CA 2329027 A1 19991104; CA 2329027 C 20050215; CA 2329028 A1 19991104; CA 2329028 C 20051122; CA 2329191 A1 19991104; CA 2329191 C 20060627; CN 1139691 C 20040225; CN 1155754 C 20040630; CN 1205386 C 20050608; CN 1298466 A 20010606; CN 1299425 A 20010613; CN 1300332 A 20010620; CZ 20003937 A3 20011212; CZ 20003938 A3 20010711; CZ 20003939 A3 20011212; CZ 301092 B6 20091104; CZ 301693 B6 20100526; DE 69908938 T2 20031218; DE 69908939 T2 20040513; DE 69914078 T2 20041014; DK 1080271 T3 20030922; DK 1080272 T3 20031006; DK 1084295 T3 20040426; EP 1080271 A1 20010307; EP 1080271 B1 20030618; EP 1080272 A1 20010307; EP 1080272 B1 20030618; EP 1084295 A2 20010321; EP 1084295 B1 20040107; ES 2196815 T3 20031216; ES 2201725 T3 20040316; ES 2211166 T3 20040701; ID 27307 A 20010322; ID 27490 A 20010412; ID 27899 A 20010503; JP 2002513102 A 20020508; JP 2002513103 A 20020508; JP 2002513104 A 20020508; JP 3890194 B2 20070307; JP 4307721 B2 20090805; NZ 507604 A 20030926; NZ 507605 A 20030131; NZ 507606 A 20030725; PL 200673 B1 20090130; PL 200811 B1 20090227; PL 201054 B1 20090331; PL 344040 A1 20010924; PL 344053 A1 20010924; PL 344079 A1 20010924; PT 1080271 E 20031031; PT 1080272 E 20031031; PT 1084295 E 20040430; RU 2000129670 A 20040327; RU 2185470 C1 20020720; RU 2194106 C2 20021210; RU 2194818 C2 20021220; WO 9955962 A2 19991104; WO 9955962 A3 19991216; WO 9955964 A1 19991104; WO 9955965 A1 19991104; ZA 200005550 B 20010511; ZA 200005551 B 20010511; ZA 200005552 B 20010511

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- Opponent name: RAISIO CHEMICALS LTD.

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- Opponent name: RAISIO CHEMICALS LTD.TIEDTKE-BUEHLING-KINNE & P

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- Representative's name: BOVARD AG PATENTANWAELTE

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