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Inventor: Itabashi; Tadashi
Address: Tokyo, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5854323 |
Pigment dispersing agent, composition containing the same, and aqueous pigment dispersion |
December 29, 1998 |
| The present invention provide an aqueous type pigment dispersing agent having one portion which has a high affinity with a pigment and which has at least one type of selected from the group consisting of an organic dye, anthraquinone and acridone and only at a terminal end or at both ter |
| 5698618 |
Coating composition |
December 16, 1997 |
| A coating composition is formed from an acid-set coating varnish and a pigment composition. The pigment composition includes a specific organic dyestuff derivative and a specific basic-group-containing resin-type pigment dispersant. The coating composition excels in pigment dispersib |
| 5635552 |
Method for dispersing pigment and water-based pigment dispersion |
June 3, 1997 |
| A method is disclosed for dispersing a pigment to obtain a pigment dispersion. The method involves dispersing 100 parts by weight of a pigment, 0.1 to 30 parts by weight of a specific pigment dispersing agent and 5 to 300 parts by weight of a water-based resin in 100 to 2,000 parts b |
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