Invention Grant
- Patent Title: Method of formulating ink having minimal visible coloration
- Patent Title (中): 配制具有最小可见着色的油墨的方法
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Application No.: US13118460Application Date: 2011-05-30
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Publication No.: US08110030B2Publication Date: 2012-02-07
- Inventor: Sutharsiny Indusegaram , Graciel Gonzaga , Simone Charlotte Vonwiller , Scott Matthew Starling , Lachlan Everett Hall , Damon Donald Ridley , Kia Silverbrook
- Applicant: Sutharsiny Indusegaram , Graciel Gonzaga , Simone Charlotte Vonwiller , Scott Matthew Starling , Lachlan Everett Hall , Damon Donald Ridley , Kia Silverbrook
- Applicant Address: AU Balmain, New South Wales
- Assignee: Silverbrook Research Pty Ltd
- Current Assignee: Silverbrook Research Pty Ltd
- Current Assignee Address: AU Balmain, New South Wales
- Main IPC: C09D11/00
- IPC: C09D11/00
Abstract:
A method of formulating an aqueous ink having minimal visible coloration. The method includes the steps of: providing an aqueous ink formulation containing a sulfonated water-soluble IR-absorbing naphthalocyanine dye having a central metal atom moiety; and adjusting a pH of the formulation to a pH value in the range of 4 to 6.5 so as to minimize visible coloration of the formulation.
Public/Granted literature
- US20110226156A1 METHOD OF FORMULATING INK HAVING MINIMAL VISIBLE COLORATION Public/Granted day:2011-09-22
Information query
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