Antigelling agent for hydrocarbon mixture containing...

Details Antigelling agent for hydrocarbon mixture containing... Antigelling agent for hydrocarbon mixture containing...

2005-01-11

2005-01-11

Griffin, Walter D. (Department: 1764)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

C208S0480AA, C208S092000, C208S184000, C585S003000, C585S004000, C585S005000, C252S397000, C252S400200, C252S405000, C252S401000, C252S407000

Reexamination Certificate

active

06841061

ABSTRACT:
An Anti-gelling agent for a hydrocarbon mixture containing a conjugated diene, which comprises (a) at least one compound selected from the group consisting of compounds having an NO radical in the molecule, and precursor compounds capable of forming an NO radical, (b) a phosphorus-containing compound, and (c) at least one compound selected from the group consisting of heterocyclic aldehydes, aromatic aldehydes and condensates of these aldehydes. Clogging in an apparatus for separating and refining a hydrocarbon mixture containing a conjugated diene can be prevented by adding the anti-gelling agent in the apparatus.

REFERENCES:
patent: 4292414 (1981-09-01), Saito et al.
patent: 6579442 (2003-06-01), Eldin
patent: 2 166 126 (1973-04-01), None
patent: 0 061 059 (2000-12-01), None
patent: 10-251662 (1998-09-01), None
patent: 10-251663 (1998-09-01), None
patent: WO 9944972 (1999-09-01), None

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