Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By c content reduction – e.g. – cracking – etc.
Reexamination Certificate
2006-05-23
2006-05-23
Griffin, Walter D. (Department: 1764)
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By c content reduction, e.g., cracking, etc.
C585S648000, C585S650000, C585S651000, C585S652000, C585S921000, C585S950000
Reexamination Certificate
active
07049477
ABSTRACT:
The present invention relates to a process for pyrolysis of hydrocarbons for olefin preparation, and particularly to a process for pyrolysis of hydrocarbons comprising pyrolyzing paraffin hydrocarbons in the presence of steam to prepare olefins, where the pyrolysis is conducted in a pyrolysis reaction tube in which a porous inorganic substance with a pore diameter of 1 μm˜5 mm, a porosity of 10˜80%, and a maximum specific surface area of 0.1 m2/g is inserted or filled. According to the present invention, in the hydrocarbon pyrolysis process, the porous inorganic substance is inserted or filled into the pyrolysis reaction tube, and thus the olefin yield can be improved compared to the conventional pyrolysis processes, a continuous operation period can be prolonged, and a life cycle of the pyrolysis reaction tube can be prolonged.
REFERENCES:
patent: 3872179 (1975-03-01), Andersen et al.
patent: 4342642 (1982-08-01), Bauer et al.
patent: 42 13 696 (1993-10-01), None
patent: 1 122 294 (2001-08-01), None
patent: 2 688 797 (1993-09-01), None
patent: 9-292191 (1997-11-01), None
patent: 11-199876 (1999-07-01), None
patent: 1011236 (1981-09-01), None
PCT International Search Report; International application No. PCT/KR02/02054; International filing date: Nov. 5, 2002; Date of Mailing: Feb. 17, 2003.
Chae Jong-Hyun
Jeong Sang-Mun
Kang Jun-Han
Lee Won-Ho
Bullock In Suk
Cantor & Colburn LLP
Griffin Walter D.
LG Chem Ltd.
LandOfFree
Process for pyrolysis of hydrocarbon does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for pyrolysis of hydrocarbon, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for pyrolysis of hydrocarbon will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3582893