Isomerization of normal paraffins

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12030845
APP PUB NO 20220402838A1
SERIAL NO

17807024

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Isomerization of normal paraffins to form branched paraffins may be complicated by significant cracking of C7+ paraffins under isomerization reaction conditions. This issue may complicate upgrading of hydrocarbon feeds having significant quantities of heavier normal paraffins. Cracking selectivity may be decreased by combining one or more naphthenic compounds with a feed mixture comprising at least one C7+ normal paraffin and/or by utilizing tungstated zirconium catalysts having decreased tungsten loading. Further, C5 and C6 normal paraffins may undergo isomerization in the presence of C7+ normal paraffins. Methods for isomerizing normal paraffins may comprise: providing a feed mixture comprising at least C5-C7 normal paraffins and lacking normal paraffins larger than C8; and contacting the feed mixture with a bifunctional mixed metal oxide catalyst under isomerization reaction conditions effective to form a product mixture comprising one or more branched paraffins formed from each of the C5-C7 normal paraffins.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY22777 SPRINGWOODS VILLAGE PKWY SPRING TX 77389-1425

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aimino, Carolyn M Milford, US 1 0
Cao, Guang Princeton, US 80 821
Carcuffe, Brandon M Hackettstown, US 6 0
Dakka, Jihad M Whitehouse Station, US 132 696
Golias, Jason M Clinton, US 3 4
Sattler, Wesley Parsippany, US 18 3
Weigel, Scott J Allentown, US 68 285
Witzke, Megan E Bedminster, US 5 0
Yu, Xinrui Furlong, US 28 12

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
3.5 Year Payment $1600.00 $800.00 $400.00 Jan 9, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 9, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 9, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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