Water soluble crayon compositions

Details Water soluble crayon compositions Water soluble crayon compositions

1989-12-19

1992-01-28

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523436, 525523, 524451, C09D 1300, C08L 6300

Patent

active

050844938

ABSTRACT:
This invention relates to water soluble crayon compositions which are comprised of (i) one or more water soluble block polymers characterized by an ABCBA structure and (ii) a coloring agent, and to crayons produced therefrom. This invention also relates to processes for the production of water soluble crayon compositions and for the manufacture of crayons.

REFERENCES:
patent: 2872432 (1959-02-01), Metzger
patent: 3670045 (1972-06-01), Koleske et al.
patent: 3933708 (1976-01-01), Brinkman
patent: 3957495 (1976-05-01), Teranishi et al.
patent: 4102795 (1978-07-01), Minegishi et al.
patent: 4212786 (1980-07-01), Muraksami
patent: 4411775 (1983-10-01), McCoy et al.
patent: 4741774 (1988-05-01), Lazar
patent: 4840669 (1989-06-01), Hughes et al.
patent: 4840670 (1989-06-01), Hughes et al.
patent: 4859242 (1989-08-01), Hughes et al.

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