Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-05-20
1998-12-22
Seidleck, James J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
528 61, 524840, C09D 500, C09D 1100
Patent
active
058520724
ABSTRACT:
An erasable ink composition contains a water-insoluble polymeric dye obtained from the polymerization of at least two coreactive polyfunctional monomers with at least one of the monomers possessing a dye moiety covalently bonded thereto. The ink is intended for use in any of a variety of marking instruments, in particular, a ball-point pen.
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Rosthauser et al., "Waterborne Polyurethanes", Excerpt from Advances in Urethane Science and Technology, K.C. Frisch and D. Klempner, Editors, vol. 10, pp. 121-162 (1987).
Banning Jeffery H.
Chadwick Barry W.
Chandler Wayne A.
Villiger David C.
Wang Aiying
Bic Corporation
Rajguru U. K.
Seidleck James J.
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