Global patent index - EP 0817887 B1

EP 0817887 B1 2000-11-02 - PROCESS FOR THE PRODUCTION OF A WEB OF MATERIAL

Title (en)

PROCESS FOR THE PRODUCTION OF A WEB OF MATERIAL

Title (de)

VERFAHREN ZUR HERSTELLUNG EINER MATERIALBAHN

Title (fr)

PROCEDE DE FABRICATION D'UNE BANDE DE MATERIAU

Publication

EP 0817887 B1 (DE)

Application

EP 97901544 A

Priority

  • EP 97901544 A
  • EP 9700214 W
  • EP 96101070 A

Abstract (en)

[origin: EP0786551A1] A process for manufacture of a web of material (1) entails producing a plastic layer (5, 6) on at least one side of a carrier (2) from a mixture of plastic material and granular soluble pieces, and afterwards dissolving out at least some of the pieces by a solvent against which the plastic is resistant while forming permeable channels. Plastic powder is prepared, mixed with the small soluble pieces and applied to the carrier. The plastic layer (5, 6) is formed from the mixture by heat and pressure treatment before dissolving at least some of the pieces.

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

D21F 7/08; D21F 1/00

IPC 8 full level (invention and additional information)

D21F 1/00 (2006.01); D21F 7/08 (2006.01)

CPC (invention and additional information)

D21F 7/083 (2013.01); D21F 1/0063 (2013.01)

Designated contracting state (EPC)

FI GR IE

EPO simple patent family

EP 0786551 A1 19970730; EP 0786551 B1 20000119; AT 189017 T 20000215; AU 1542297 A 19970820; AU 702029 B2 19990211; BR 9704640 A 19980609; CA 2214003 A1 19970731; CA 2214003 C 20001121; CZ 287859 B6 20010214; CZ 9702998 A3 19971217; DE 59604228 D1 20000224; DK 0786551 T3 20000626; EP 0817887 A1 19980114; EP 0817887 B1 20001102; ES 2144163 T3 20000601; GR 3035184 T3 20010430; KR 100257804 B1 20000601; MX 9707251 A 19980830; MY 119139 A 20050430; NO 311809 B1 20020128; NO 974422 A 19970924; NO 974422 D0 19970924; PL 182279 B1 20011231; PL 322379 A1 19980119; PT 786551 E 20000630; SI 817887 T1 20010228; SK 129997 A3 19980603; SK 279862 B6 19990413; TR 9701031 T1 19971221; US 6017583 A 20000125; WO 9727361 A1 19970731; ZA 9700597 B 19970804

INPADOC legal status

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