Compositions for solid writing materials and writing implements

Details Compositions for solid writing materials and writing implements Compositions for solid writing materials and writing implements

1979-02-13

1980-07-15

Nielsen, Earl A.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

106271, 106272, C09D 1300

Patent

active

042126762

ABSTRACT:
This invention relates to solid writing materials capable of giving writings, drawings or markings which are readily erasable with a dry eraser such as a blackboard eraser, dry fabric, etc.
This invention provides compositions for such solid writing materials comprising (i) an emulsifiable polyethylene wax, (ii) a liquid organic compound substantially incompatible with the component (i) and having a specified boiling point and viscosity, (iii) an organic solvent capable of dissolving or uniformly dispersing the components (i) and (ii) and having a specified boiling point and (iv) a pigment.

REFERENCES:
patent: 3249448 (1966-05-01), Coburn et al.
patent: 3767444 (1973-10-01), Zeisberger
patent: 3957495 (1976-05-01), Teranishi et al.

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