Materials and methods utilizing a temporary visual indicator

Details Materials and methods utilizing a temporary visual indicator Materials and methods utilizing a temporary visual indicator

1996-07-01

1998-11-17

Dodson, Shelley A.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Method of use, kit, or combined with marking instrument or...

273363, 273418, 424 59, 428 341, 428 357, 428 3692, 4283211, 4283215, 514470, 549308, B41M 500, B32B 106, A61K 3134, A61K 742

Patent

active

058376453

ABSTRACT:
This invention relates to novel compositions containing temporary visual indicators and methods for using these compositions. Specifically, this invention relates to a sunscreen composition containing an indicator that is visible when the substance is applied to the skin, but becomes invisible shortly after application. The continued presence of the indicator allows the indicator to be reactivated temporarily to the visible form so that a user can verify the presence of the sunscreen. The visible indicator ensures that the sunscreen is applied evenly and completely to the area to be protected, but becomes invisible so as not to interfere with the action of the sunscreen or discolor the skin.

REFERENCES:
patent: 2366759 (1945-01-01), Thomas et al.
patent: 2496270 (1950-02-01), Coler
patent: 2948657 (1960-08-01), Siccama
patent: 4678658 (1987-07-01), Casey et al.
patent: 4954544 (1990-09-01), Chandaria
Naigai Ink Mfg., (Dec. 1976) Abstract for Japanese Patent No. 51046446, Database WPI, Derwent Publications, Ltd., London, Great Britain.
Club Kosumechitsukusu KK, (Feb. 2, 1993) Abstract for Japanese Patent No. 05025030, Patent Abstracts of Japan vol. 17, No. 309.

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