Moisture holding pigment and a cosmetic containing such a pigmen

Details Moisture holding pigment and a cosmetic containing such a pigmen Moisture holding pigment and a cosmetic containing such a pigmen

1989-08-03

1992-02-25

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

106499, 106501, 424 69, C08K 509, A61K 700

Patent

active

050910132

ABSTRACT:
A pigment (or body) composed of particles having surfaces covered with a high molecular substance containing a group of the formula --COOR, where R stands for a hydrogen or metal atom, and having an acid value of at least 200 when the R in the formula stands for a hydrogen atom. It has a high power of absorbing and holding moisture. The surfaces of the pigment particles are alternatively covered with both such a high molecular substance and a substance which makes the surfaces hydrophobic. This pigment has a good affinity for oil and yet a high power of absorbing and holding moisture. A cosmetic containing any such pigment has a high moisturizing power and provides a long makeup life.

REFERENCES:
patent: 3545995 (1970-12-01), Hattori et al.
patent: 4205997 (1980-06-01), Hesse et al.
patent: 4246040 (1981-01-01), Okumura et al.
patent: 4606914 (1986-08-01), Miyoshi
patent: 4622074 (1986-11-01), Miyoshi et al.
patent: 4640943 (1987-02-01), Meguro et al.
patent: 4648908 (1987-03-01), Takasuka et al.
patent: 4710375 (1987-12-01), Takasuka et al.
patent: 4775229 (1988-07-01), Armanini
patent: 4775420 (1988-10-01), Gonnet et al.

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