Very finely divided rare earth sulfide colorant compositions

Details Very finely divided rare earth sulfide colorant compositions Very finely divided rare earth sulfide colorant compositions

1998-02-25

1999-10-19

Marcheschi, Michael

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106400, 10628732, 1062867, 10628735, 428689, 428704, C09C 102

Patent

active

059682477

ABSTRACT:
Unique colorant compositions, well suited for the pigmentation of a wide variety of coatings and substrates, e.g., cosmetics, plastics, paints and rubbers, comprise (1) at least one crystalline rare earth metal sulfide or sesquisulfide, for example cubic cerium sesquisulfide Ce.sub.2 S.sub.3, and (2) a dopant amount of at least one alkali metal, and wherein the at least one rare earth metal sulfide or sesquisulfide comprises whole (unground) monocrystalline grains thereof having a mean particle size of at most 1.5 .mu.m.

REFERENCES:
patent: 3748095 (1973-07-01), Henderson et al.
patent: 4619792 (1986-10-01), Saunders et al.
patent: 5279801 (1994-01-01), Colombet et al.
patent: 5348581 (1994-09-01), Chopin et al.
patent: 5401309 (1995-03-01), Chopin et al.
Adachi et al., "Preparation & Structure of Sodium Rare Sulfides;" Materials Research Bulletin, 19(9):1215-1220 (1984). (No Month).

Affiliated with

Also associated with

Rating

Very finely divided rare earth sulfide colorant compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Very finely divided rare earth sulfide colorant compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Very finely divided rare earth sulfide colorant compositions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2050659