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US 8,894,763 B2Granted
Pigment composition
AssigneeTaisho Pharmaceutical Co., Ltd.
InventorsToshiki Nakajima, Masakiyo Urabe, Mariko Numao, Hiroki Tada, Kenji Yamabe
Life of this patent
Estimating the term…
Abstract
The present invention relates to a pigment composition containing a pigment and chondroitin sulfate or its salt, in which a content of chondroitin sulfate or its salt is equal to or larger than 0.1 part by weight (pbw) over 1 pbw of the pigment, and such pigment composition is available in the use for drug medicines and the like, and exhibits better dispersibility.
Claims2
A pigment composition comprising a pigment and chondroitin sulfate or its salt dispersed in a liquid medium,
- wherein a content of chondroitin sulfate or its salt is equal to or larger than 0.1 part by weight (pbw) over 1 pbw of the pigment wherein the pigment is an aluminum lake pigment.
Dependencies are inferred from the claim text.