Pentaerythritol in dry developers

Details Pentaerythritol in dry developers Pentaerythritol in dry developers

1980-02-22

1981-10-20

Gron, Teddy S.

Measuring and testing

Surface and cutting edge testing

25230119, 252408, 23230R, C09K 300, G01N 1908, G01N 3300

Patent

active

042953626

ABSTRACT:
A method and composition for detecting surface flaws in workpieces by means of the penetrant inspection process, the invention being concerned with an improved dry developer composition for use in such process, the developer containing substantial amounts of pentaerythritol, usually in combination with a finely divided inert powder.

REFERENCES:
patent: 2676487 (1954-04-01), Clarke
patent: 2764556 (1956-09-01), Sockman et al.
patent: 2806959 (1957-09-01), De Forest et al.
patent: 3433062 (1969-03-01), Molina
patent: 3456110 (1969-07-01), Diperstein
patent: 3538016 (1970-11-01), Borucki
patent: 3560399 (1971-02-01), Irsak
patent: 3561262 (1971-02-01), Borucki et al.
patent: 3642655 (1972-02-01), Borucki
patent: 3803051 (1974-04-01), Molina
patent: 4000422 (1976-12-01), Kuzmima et al.
Eastman Organic Chemicals, Catalog, No. 47, Eastman Kodak Co., Rochester, N.Y., p. 170, (1974).

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