Claims
- 1. Depressant composition comprising
- (a) a trithiocarbonate selected from the group consisting of M.sub.2 CS.sub.3 and M'CS.sub.3 wherein the components M which can be the same or different are selected from the group consisting of NH.sub.4 and alkali metals and M' is an alkaline earth metal, and
- (b) A composition selected from the group consisting of MSH, M'(SH).sub.2 and M'S, wherein M and M' have the same meaning as under (a).
- 2. Composition in accordance with claim 1 comprising Na.sub.2 CS.sub.3 and NaSH.
Parent Case Info
This is a division of application Ser. No. 436,883, filed Oct. 26, 1982, now U.S. Pat. No. 4,510,050, issued Apr. 9, 1985.
US Referenced Citations (7)
Foreign Referenced Citations (1)
Number |
Date |
Country |
80430 |
Mar 1971 |
DEX |
Non-Patent Literature Citations (3)
Entry |
Dyer, "Kinetic Study of the Acid Hydrolysis of Sodium Trithiocarbonate and Its Reaction With Formaldehyde," Tappi, 49(10), 447-52, (1966), (CA 66:3962). |
Bailar et al., Comprehensive Inorganic Chemistry, Pergamon, 1973, p. 1240. |
Gmelin Handbuch der Anorganischen Chemie, 8th Ed., "Kohlonstoft", pp. 216-226, (1977) and Natrium-pp. 203-205, (1964). |
Divisions (1)
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Number |
Date |
Country |
Parent |
436883 |
Oct 1982 |
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