Invention Application
- Patent Title: METHODS AND SYSTEMS FOR IDENTIFYING INK
- Patent Title (中): 识别墨水的方法和系统
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Application No.: US13765131Application Date: 2013-02-12
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Publication No.: US20130221277A1Publication Date: 2013-08-29
- Inventor: Zeying Ma , Gary William Larson , Lufei Lin
- Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY L.P.
- Applicant Address: US CO Fort Collins
- Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee Address: US CO Fort Collins
- Main IPC: C09D11/02
- IPC: C09D11/02
Abstract:
An ink composition includes a colorant visible under visible light and a tagging composition, including a carrier and a detectable marker dispersed or dissolved in the carrier. The detectable marker is an isotope of an element, the isotope being present in the ink composition in a concentration ranging from about 1 parts per billion (ppb) to about 1000 ppb.
Public/Granted literature
- US08669536B2 Methods and systems for identifying ink Public/Granted day:2014-03-11
Information query
IPC分类:
