Bleaching and dyeing; fluid treatment and chemical modification – Organic additive for dye composition – dye composition... – Polymeric additive
Reexamination Certificate
2005-01-25
2005-01-25
Einsmann, Margaret (Department: 1751)
Bleaching and dyeing; fluid treatment and chemical modification
Organic additive for dye composition, dye composition...
Polymeric additive
C008S094240, C008S673000, C008S680000, C008S588000, C008S594000, C008S924000
Reexamination Certificate
active
06846336
ABSTRACT:
The present invention relates to acid-resistant solutions containing aromatic formaldehyde condensation products having sulfonate and/or carboxylate groups, aliphatic carboxylic acids, aromatic sulfonic acids, and glycol ether solvents, to the preparation thereof, and to their use as leveling agents, dispersants or fastness improvers in textile finishing, as tanning agents for leather, and in the stain resist finishing of textile materials.
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patent: 4302202 (1981-11-01), Sumner et al.
patent: 4355996 (1982-10-01), Dilling et al.
patent: 4883839 (1989-11-01), Fitzgerald et al.
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patent: 3905083 (1990-08-01), None
**Database WPI, Section Ch, Week 198921, Derwent Publications Ltd., London, GB; AN 1989-157418, XP002163394 & SU 1 435 671 A (Kaun Poly), Nov. 7, 1988 Zusammenfassung.
Ehlert Hans Albert
Gerle Michael
Heinen Ralf
Walz Klaus
Akorli Godfried R.
Bayer Aktiengesellschaft
Einsmann Margaret
Eyl Diderico van
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