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Yu Du
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Colorado Springs, CO, US
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last 30 patents
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Patent Grant
Yellow thermochromic dyes, inks composition and level indicators
Patent number
9,745,487
Issue date
Aug 29, 2017
Chromatic Technologies, Inc.
Ruizheng Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Red thermochromic dyes and their ink compositions
Patent number
9,580,603
Issue date
Feb 28, 2017
Chromatic Technologies, Inc.
Ruizheng Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Yellow thermochromic dyes, inks composition and level indicators
Patent number
9,399,716
Issue date
Jul 26, 2016
Chromatic Technologies Inc.
Ruizheng Wang
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Yellow Thermochromic Dyes, Inks Composition And Level Indicators
Publication number
20160333210
Publication date
Nov 17, 2016
CHROMATIC TECHNOLOGIES, INC.
Ruizheng Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
RED THERMOCHROMIC DYES AND THEIR INK COMPOSITIONS
Publication number
20150090159
Publication date
Apr 2, 2015
CHROMATIC TECHNOLOGIES, INC.
Ruizheng Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
YELLOW THERMOCHROMIC DYES, INKS COMPOSITION AND LEVEL INDICATORS
Publication number
20150018441
Publication date
Jan 15, 2015
CHROMATIC TECHNOLOGIES, INC.
Ruizheng Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...