Unclouded metals passivation additive

Details Unclouded metals passivation additive Unclouded metals passivation additive

1989-02-16

1990-04-24

Thexton, Matthew A.

Compositions

Compositions containing a single chemical reactant or plural...

Inorganic reactant other than sulfur containing

208 48AA, 208 52CT, 502 22, 502168, 556 76, 556 80, C10G 1100

Patent

active

049198408

ABSTRACT:
Unclouded solutions of antimony hydrocarbylthiolate suitable for metals passivation are produced utilizing an amine. In one embodiment of the invention the amine is included with the antimony oxide and hydroxyhydrocarbylthiol reactants to produce the passivating agent. In another embodiment of the invention, the metals passivation additive is produced by combining antimony oxide with a hydroxyhydrocarbylthiol to produce a reaction mixture which is thereafter contacted with an amine. The resulting product is useful for the passivation of metals deposited on cracking catalysts.

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patent: 4830730 (1989-05-01), Boston

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