【発明の名称】多縮合物の分子量増加 - Ciba Specialty Chemicals Holding Incorporated

Title:

【発明の名称】多縮合物の分子量増加

Document Type and Number:

Japanese Patent JPH10502099

Kind Code:

A

Abstract:

PCT No. PCT/EP95/02231 Sec. 371 Date Dec. 19, 1996 Sec. 102(e) Date Dec. 19, 1996 PCT Filed Jun. 9, 1995 PCT Pub. No. WO95/35343 PCT Pub. Date Dec. 28, 1995An increase in the molecular weight of virgin polycondensates and polycondensate recyclates can be achieved by heating to above the melting point or glass transition temperature and by the addition of diphosphonite.

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Inventors:

Faendner, Rudolf
Help strike, heinz
Hoffman, Kurz

Application Number:

JP50159696A

Publication Date:

February 24, 1998

Filing Date:

June 09, 1995

Export Citation:

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Assignee:

Ciba Specialty Chemicals Holding Incorporated

International Classes:

C08G69/46; C08G59/20; C08G63/78; C08G63/80; C08G63/91; C08G64/20; C08G64/42; C08G69/04; C08G69/48; C08G79/04; C08G85/00; C08K5/5393; (IPC1-7): C08G85/00; C08G63/91; C08G64/42; C08G69/46; C08G79/04

Domestic Patent References:

JPS543887A

1979-01-12

Attorney, Agent or Firm:

Nobuo Kaida (1 person outside)

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