Indicator compositions

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1978-03-13

1979-07-10

Padgett, Benjamin R.

Measuring and testing

Surface and cutting edge testing

25230119, 252408, C09K 1106, G01N 1908, G01N 2116

Patent

active

041603753

ABSTRACT:
A water washable, wash resistant biodegradable dye penetrant composition is described. It comprises one or more dyes and at least 70% of a substantially linear primary alcohol ethoxylate containing 2 to 4.5 ethoxy groups per molecule.

REFERENCES:
patent: 2953530 (1960-09-01), Switzer
patent: 3647705 (1972-03-01), Mlot-Fijalkowski
patent: 3896664 (1975-07-01), Alburger
patent: 3915885 (1975-10-01), Molina
patent: 3915886 (1975-10-01), Molina
patent: 3981185 (1976-09-01), Molina

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