Method for oligomerization of ethylene

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9896392
SERIAL NO

14414403

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to a method for oligomerization of ethylene, comprising the steps:

    a) feeding ethylene, solvent and a catalyst composition comprising catalyst and cocatalyst into a reactor,b) oligomerizing ethylene in the reactor,c) discharging a reactor effluent comprising linear alpha-olefins including 1-butene, solvent, unconsumed ethylene dissolved in the reactor effluent, and catalyst composition from the reactor,d) separating ethylene and 1-butene collectively from the remaining reactor effluent, ande) recycling at least a part of the ethylene and the 1-butene separated in step d) into the reactor.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SABIC GLOBAL TECHNOLOGIES B VBERGEN OP ZOOM

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Al-Qahtani, Abdullah Riyadh, SA 4 32
Azam, Shahid Riyadh, SA 34 55
Bolt, Heinz Wolfratshausen, DE 10 63
Harff, Marco Munich, DE 14 57
Hofmann, Karl-Heinz Germering, DE 25 194
Iliyas, Abduljelil Riyadh, SA 8 51
Khurram, Shehzada Riyadh, SA 15 51
Meiswinkel, Andreas Munich, DE 48 140
Mueller, Wolfgang Munich, DE 158 2159
Wellenhofer, Anton Hohenschaftlam, DE 39 136
Woehl, Anina Munich, DE 7 44
Zander, Hans-Jorg Munich, DE 7 28

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 20, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 20, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00