Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1998-01-09
1999-11-02
Jagannathan, Vasu
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
106 3164, 106 3166, 106 3113, C09D 1100, C09D 1116, C09D 1118
Patent
active
059772115
ABSTRACT:
A ball point pen filled with an erasable ink which comprises a resin or rubber having a filming temperature of 0.degree. C. or lower or a glass transition temperature of 0.degree. C. or lower, pigment particles and water. The erasability and the writing feeling are improved by further blending the ink with a gelatinizer and a lubricant.
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Jagannathan Vasu
Mitsubishi Pencil Kabushiki Kaisha
Shosho Callie E.
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