Thermal cracking process using tubes, pipes, and coils made...

Details Thermal cracking process using tubes, pipes, and coils made... Thermal cracking process using tubes, pipes, and coils made...

2007-01-02

2007-01-02

Caidarola, Glenn (Department: 1764)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

C208S04800Q, C208S106000, C148S327000, C373S111000, C420S067000

Reexamination Certificate

active

10955760

ABSTRACT:
A thermal cracking process using tubes, pipes, and coils made of.An outermost surface covering not less than 55% of stainless steel, said surface having a thickness from 0.1 to 15 microns and being a spinel of the formula MnxCr3-xO4wherein x is from 0.5 to 2 is not prone to coking and is suitable for hydrocarbyl reactions such as furnace tubes for cracking.

REFERENCES:
patent: 3864093 (1975-02-01), Wolfla
patent: 4078949 (1978-03-01), Boggs
patent: 5536338 (1996-07-01), Metivier et al.
patent: 5630887 (1997-05-01), Benum
patent: 5693155 (1997-12-01), Mousseaux et al.
patent: 5944981 (1999-08-01), Sievert

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