Microprecipitated methine oxonol filter dye dispersions

Details Microprecipitated methine oxonol filter dye dispersions Microprecipitated methine oxonol filter dye dispersions

1991-12-20

1993-12-28

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

430522, C07D23120, C07D23122, C07D23126

Patent

active

052741095

ABSTRACT:
A microprecipitated dispersion comprising a methine oxonol filter dye is provided which has the formula ##STR1## wherein n is 0, 1, or 2; R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are the same or different substituted or unsubstituted alkyl or aryl groups, one or more of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 contains carboxy substituent --CO.sub.2 Z, wherein Z.sup.+ is a statistical mixture of hydrogen (H.sup.+) and alkali or tetraalkylammonium cations (M.sup.+) such that Z.sup.+ =xH.sup.+ +(1-x)M.sup.+, where x is a decimal ranging from about 0.33 to about 0.95, and photographic elements containing them.

REFERENCES:
patent: 3865817 (1975-02-01), Kobayushi et al.
patent: 3933798 (1976-01-01), Curtis et al.
patent: 4092168 (1978-05-01), Lemahieu et al.
patent: 4179294 (1979-12-01), Sugiyama et al.
patent: 4266014 (1981-05-01), Moelants et al.
patent: 4288534 (1981-09-01), Lemahieu et al.
patent: 4440852 (1984-04-01), Onishi et al.
patent: 4770984 (1988-09-01), Ailliet et al.
patent: 4833246 (1989-05-01), Adachi et al.
patent: 4855221 (1989-08-01), Factor et al.
patent: 4877721 (1989-10-01), Diehl et al.
patent: 4895786 (1990-01-01), Kurematsu et al.
patent: 4904565 (1990-02-01), Schmidt et al.
patent: 4933268 (1990-06-01), Ohno et al.
patent: 4933270 (1990-06-01), Bagchi
patent: 4940654 (1990-07-01), Diehl et al.

Affiliated with

Also associated with

Rating

Microprecipitated methine oxonol filter dye dispersions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Microprecipitated methine oxonol filter dye dispersions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Microprecipitated methine oxonol filter dye dispersions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1544004