Global Patent Index - EP 1084157 A1

EP 1084157 A1 2001-03-21 - METHOD FOR HYDROGENATING AROMATIC POLYMERS IN THE PRESENCE OF BRANCHED HYDROCARBONS

Title (en)

METHOD FOR HYDROGENATING AROMATIC POLYMERS IN THE PRESENCE OF BRANCHED HYDROCARBONS

Title (de)

VERFAHREN ZUR HYDRIERUNG AROMATISCHER POLYMERE IN GEGENWART VERZWEIGTER KOHLENWASSERSTOFFE

Title (fr)

PROCEDE D'HYDROGENATION DE POLYMERES AROMATIQUES EN PRESENCE D'HYDROCARBURES RAMIFIES

Publication

EP 1084157 A1 (DE)

Application

EP 99914556 A

Priority

  • DE 19815737 A
  • EP 9902138 W

Abstract (en)

[origin: DE19815737A1] The invention relates to a method for hydrogenating polymers, optionally in the presence of catalysts, whereby branched hydrocarbons are used as solvents, possessing no more than one hydrogen atom at the branch point and having a boiling temperature above 45 DEG C and an ignition temperature (DIN 51794) of above 280 DEG C, or a mixture of such hydrocarbons with solvents that are suitable for hydrogenating reactions.

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

C08F 8/04; C08G 85/00

IPC 8 full level (invention and additional information)

C08G 85/00 (2006.01); C08F 8/04 (2006.01)

CPC (invention and additional information)

C08F 8/04 (2013.01)

Combination set (CPC)

C08F 8/04 + C08F 12/00

Citation (search report)

See references of WO 9952953A1

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL

EPO simple patent family

DE 19815737 A1 19991014; AU 3332899 A 19991101; AU 747670 B2 20020516; BR 9909491 A 20001212; CA 2327485 A1 19991021; CN 1296498 A 20010523; DE 19980629 D2 20010426; EP 1084157 A1 20010321; JP 2002511501 A 20020416; TW 499452 B 20020821; WO 9952953 A1 19991021; ZA 200004818 B 20010829

INPADOC legal status


2002-10-16 [18W] WITHDRAWN

- Date of withdrawal: 20020823

2001-03-21 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001108

2001-03-21 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE ES FR GB IT LI NL