Phenolic compounds and recording materials containing the same

Details Phenolic compounds and recording materials containing the same Phenolic compounds and recording materials containing the same

2006-03-14

2006-03-14

Kumar, Shailendra (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C106S031280, C106S031430, C430S552000, C568S027000, C568S028000, C568S042000, C568S043000

Reexamination Certificate

active

07012159

ABSTRACT:
Phenolic compounds of general formula (I);and recording materials characterized by containing one of them and exhibiting high light stability wherein R1and R2are each hydrogen or C1-C6alkyl; m is an integer of 1 to 6; n is an integer of 0 to 2; p and t are each an integer of 0 to 3 with the proviso that not both are simultaneously 0; R3and R4are each nitro, carboxyl, halogeno, C1-C6alkyl, or the like; q and u are each an integer of 0 to 2 with the proviso that when q or u is 2, R3s or R4s may be different from each other; and Y is CO or NR5CO (wherein R5is hydrogen or the like), with the proviso that when Y is CO, p is 1 and that when p is 0 and Y is NR5CO, n is not 0.

REFERENCES:
patent: 4075227 (1978-02-01), Jones et al.
patent: 4988662 (1991-01-01), Tsuchiya et al.
patent: 5071876 (1991-12-01), Mueller et al.
patent: 5614357 (1997-03-01), Lau et al.
patent: 0190682 (1988-08-01), None
patent: 61-27955 (1986-02-01), None
patent: 1-72891 (1989-03-01), None
patent: 64-72891 (1989-03-01), None
patent: 2-204091 (1990-08-01), None
patent: 3-293195 (1991-12-01), None
patent: 4-173775 (1992-06-01), None
patent: 4-217657 (1992-08-01), None
patent: WO 92/07825 (1992-05-01), None
patent: WO 00/28332 (2000-05-01), None

Affiliated with

Also associated with

Rating

Phenolic compounds and recording materials containing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Phenolic compounds and recording materials containing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Phenolic compounds and recording materials containing the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3559977