Shock resistant ink compositions and writing instruments includi

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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401232, C09D 500

Patent

active

046862463

ABSTRACT:
Novel, improved aqueous based, shock resistant, shear-thinning ink compositions and writing instruments including the ink compositions. The ink compositions comprise a substantially uniform dispersion of colorant(s), a water dispersible polymeric shear-thinning material and a substantially water insoluble polymeric material in a polar solvent system.

REFERENCES:
patent: 4297260 (1981-10-01), Ferree, Jr. et al.
patent: 4353745 (1982-10-01), Ebbeler
patent: 4532276 (1985-07-01), Knable et al.
patent: 4545818 (1985-10-01), Inoue et al.

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