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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0200002 B1 19890125 - PAPER-SIZING AGENTS AND THEIR USE

Title (en)

PAPER-SIZING AGENTS AND THEIR USE

Publication

EP 0200002 B1 19890125 (DE)

Application

EP 86104329 A 19860328

Priority

DE 3513249 A 19850413

Abstract (en)

[origin: EP0200002A1] 1. Paper sizing agents based on colophony dispersions, characterized in that they additionally contain polyaluminum hydroxychlorides and optionally retention agents and/or fixing agents and/or wetstrength agents, the components having been premixed such as to avoid agglomeration.

IPC 1-7

D21H 3/00

IPC 8 full level

D21H 17/62 (2006.01); D21H 17/66 (2006.01)

CPC (source: EP)

D21H 17/21 (2013.01); D21H 17/62 (2013.01); D21H 17/66 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0200002 A1 19861105; EP 0200002 B1 19890125; EP 0200002 B2 19931027; AT E40429 T1 19890215; DE 3661948 D1 19890302

DOCDB simple family (application)

EP 86104329 A 19860328; AT 86104329 T 19860328; DE 3661948 T 19860328