Optical brighteners

Details Optical brighteners Optical brighteners

2007-04-03

2007-04-03

Koslow, C. Melissa (Department: 1755)

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

C252S301210, C162S135000, C162S162000, C544S193200, C442S130000, C008S648000, C008S921000, C008S924000, C008S926000, C008S516000, C008S517000, C008S515000, C008S518000

Reexamination Certificate

active

10496190

ABSTRACT:
The present invention relates to the use of compounds of formula (I)wherein all substituents are as defined in the claims as optical brighteners as well as to new mixtures of optical brighteners.

REFERENCES:
patent: 2875106 (1959-02-01), Adams et al.
patent: 6025490 (2000-02-01), Feldhues et al.
patent: 6121444 (2000-09-01), Feldhues et al.
patent: 2003/0010459 (2003-01-01), Farrar et al.
patent: 2003/0013628 (2003-01-01), Farrar et al.
patent: 0905317 (1999-03-01), None
patent: WO 99/42454 (1999-08-01), None
patent: WO 9942454 (1999-08-01), None

Affiliated with

Also associated with

Rating

Optical brighteners does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical brighteners, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical brighteners will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3757352