Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1999-01-14
2000-11-14
Gupta, Yogendra
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
523160, 523161, 106 316, C09D 1102, C09D 1108
Patent
active
061470414
ABSTRACT:
A removable ink composition comprising (A) at least one of a urethane resin and an acrylic resin and (B) a vehicle including as a main component one or more substances selected from the group consisting of a styrene-acrylic acid copolymer, a styrene-maleic acid resin, a rosin-maleic acid resin and a phenol resin. A process for removing an ink composition from printed articles which comprises treating articles printed with this ink composition with an aqueous alkali solution. Prints of the ink composition on plastic films and plastic containers can be removed and decolorized in a short time by treating the ink composition with a dilute aqueous alkali solution having a concentration of 1 to 3%.
REFERENCES:
patent: 5098478 (1992-03-01), Krishnan et al.
patent: 5473006 (1995-12-01), Hutter et al.
patent: 5534049 (1996-07-01), Wallstrom et al.
Database WPI, Section CH, Week 8937, Derwent Publications Ltd., London, GB, Class A97, AN 89-266927 of JP 01 193378 (Aug. 3, 1989).
Awaya Kathufumi
Iiboshi Katsufumi
Kondo Masahiro
Mizumoto Takao
Ogisu Yasuyuki
Boyer Charles
Dainichiseika Color & Chemicals Mfg. Co. Ltd.
Gupta Yogendra
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