Chemically digestive agents

Details Chemically digestive agents Chemically digestive agents

1976-07-15

1978-07-18

Padgett, Benjamin R.

Compositions

Oxidative bleachant, oxidant containing, or generative

Contains organic peroxide

96 361, 252 792, 252 94, 423272, C01B 1502, H04N 960

Patent

active

041014405

ABSTRACT:
A chemically digestive agent for releasing photoresist films comprising hydrogen peroxide and sulfamic acid is particularly suitable for the production of the fluorescent screen of a black matrix color television image receiving tube in that it has a strong releasing action for various photoresist films and low corrosiveness for machinery and appliances. The addition of a fixed amount of iron ion can further improve the characteristics of the chemically digestive agent.

REFERENCES:
patent: 3412023 (1968-11-01), Jenks
patent: 3442810 (1969-06-01), Elbreder
patent: 3483050 (1969-12-01), Banush
patent: 3953263 (1976-04-01), Ishikawa
patent: 3960560 (1976-06-01), Sato

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