Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1978-12-13
1980-10-21
Garris, Bradley R.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
422186, 422198, 422199, 422241, 250544, 250547, 204164, B01K 100, C25B 100, C25B 1112
Patent
active
042293073
ABSTRACT:
Apparatus and method for preparing phosphorus compounds wherein phosphorus vapor containing P.sub.2 molecules is condensed at a temperature below the solidification point of red phosphorus and the resulting solid is then reacted with a phosphorus-reactive material. When the phosphorus-reactive material is water at an elevated temperature, phosphine is produced.
REFERENCES:
patent: 733316 (1903-07-01), Duncan
patent: 862092 (1907-07-01), Morehead
patent: 2800396 (1957-07-01), Udy
patent: 3053637 (1962-09-01), Williams
patent: 3207583 (1965-09-01), Brautigam et al.
patent: 3342715 (1967-09-01), Brissot et al.
patent: 3445191 (1969-05-01), Bruning et al.
Van Wazer; "Phosphorus & its Compounds"; Interscience; vol. II; pp. 1182-1202 (1961).
Lowe Edward J.
Ridgway Frederick A.
Casella Peter F.
Garris Bradley R.
Gosz William G.
Hooker Chemicals & Plastics Corp.
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