Gelatin composition

Details Gelatin composition Gelatin composition

1976-10-18

1978-02-07

Weisstuch, Aaron

Compositions

Organic luminescent material containing compositions

Synthetic resin containing

96 82, 106137, 260 2EN, C09K 1100

Patent

active

040726240

ABSTRACT:
The invention provides a compound obtained by chemically reacting a gelatin-compatible polymer having a multiplicity of functional groups with an optical brightening agent having only a single functional group reactive with the said functional groups of the polymer. The resulting compound can be mixed with gelatin to give a gelling system for the formation of gels, e.g. coating films, which are resistant to washing or leaching out of the optical brightening agent, thus overcoming the problem of the lack of substantivity of the agent in systems involving a simple mixture of gelatin with optical brightening agent.

REFERENCES:
patent: 3181949 (1965-05-01), Koerber et al.
patent: 3423483 (1969-01-01), Anyos et al.
patent: 3462388 (1969-08-01), Horiguchi et al.
patent: 3580720 (1971-05-01), Ohyama et al.
patent: 3615544 (1971-10-01), Amano et al.
patent: 3666680 (1972-05-01), Briggs
patent: 3677762 (1972-07-01), Amano et al.
patent: 3749707 (1973-07-01), Vrancken et al.
patent: 3838063 (1974-09-01), Foss

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