Title:
ボールペン用擬似塑性水性インク
Document Type and Number:
Japanese Patent JP5002116
Kind Code:
B2
Abstract:
A pseudoplastic water based ink for a ball-point pen comprising at least a colorant, water and an associative type viscosity control system, whereby the viscosity of the ink is comprised in a range from 20 to 40 mPa.s, when it is subjected to a shear rate of 1000 s<-1>, and between 10,000 and 12,000 mPa.s, when the shear rate is 1 s<-1>.
Inventors:
Massimiliano Buzzetti
Application Number:
JP2004099487A
Publication Date:
August 15, 2012
Filing Date:
March 30, 2004
Export Citation:
Assignee:
REINOL SPA
International Classes:
C09D11/18
Domestic Patent References:
| JP2002256179A | ||||
| JP2251580A | ||||
| JP2002235025A |
Attorney, Agent or Firm:
Aoyama Aoi
Muneo Yamamoto
Masaishi Nishishita
Muneo Yamamoto
Masaishi Nishishita