Patenton — panteon of patents

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RU

(11)

2 285 687

(13)

C1

(51)

IPC

C07C7/20(2006-01-01)

C09K15/08(2006-01-01)

C09K15/30(2006-01-01)

(21) (22)

Application

2005117314/04, 2005-06-06

(24)

Start date

2005-06-06

(22)

Actual filing date

2005-06-06

(45)

Published

2006-10-20

(72)

Inventor

Burganov Tabriz Gil'MutdinovichZagidullin Irnis RavkhatovichBorejko Natal'Ja PavlovnaJafizova Valentina PetrovnaTrifonova Ol'Ga Mikhajlovna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD FOR INHIBITING TARRING OF AROMATIC HYDROCARBONS Russian patent published in 2006 - IPC C07C7/20 C09K15/08 C09K15/30 

Abstract RU 2285687 C1

FIELD: petrochemical processes.

SUBSTANCE: inhibition of tarring of aromatic hydrocarbons during their isolation is accomplished by adding phenol-type inhibitor and inhibitor based on 2,2,6,6'-tetramethyl-4-oxopiperidin-1-oxyl.

EFFECT: enhanced tarring inhibition efficiency.

1 tbl, 11 ex

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RU 2 285 687 C1

Authors

Burganov Tabriz Gil'Mutdinovich

Zagidullin Irnis Ravkhatovich

Borejko Natal'Ja Pavlovna

Jafizova Valentina Petrovna

Trifonova Ol'Ga Mikhajlovna

Dates

2006-10-20—Published

2005-06-06—Filed

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