Use of brighteners for the preparation of coating slips

Details Use of brighteners for the preparation of coating slips Use of brighteners for the preparation of coating slips

2007-08-21

2007-08-21

Koslow, C. Melissa (Department: 1755)

Compositions

Organic luminescent material containing compositions

Synthetic resin containing

C252S301210, C252S301220, C252S301260, C427S158000, C162S135000, C162S158000, C162S162000, C162S169000, C162S168100, C524S503000, C524S523000, C524S524000, C524S502000

Reexamination Certificate

active

10417041

ABSTRACT:
The use of optical brighteners of the formula (II):in whichY denotes a radical of the formulaand the other substituents have the meaning stated in the description, for brightening aqueous coating slips comprising at least one latex binder and at least one synthetic co-binder differing therefrom.

REFERENCES:
patent: 4405751 (1983-09-01), Muller et al.
patent: 4717502 (1988-01-01), Schmid
patent: 5976410 (1999-11-01), Rohringer et al.
patent: 6025490 (2000-02-01), Feldhues et al.
patent: 6165973 (2000-12-01), Baker
patent: 6426381 (2002-07-01), Koenig et al.
patent: 2001/0009938 (2001-07-01), Eckstein et al.
patent: 896533 (1962-05-01), None
patent: 1391593 (1975-04-01), None
patent: WO98/42865 (1998-10-01), None
patent: WO 01/11140 (2001-02-01), None
patent: 02/097193 (2002-12-01), None
Delivery Note Leucophor LCP (German-to-English Translation); Dec. 7, 2000; 1 page.
Opposition Document (German-to-English Translation); European Patent No. 1 355 004 B1; Dec. 19, 2006; 6 pages.

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