Indacene based metallocene catalysts useful in the production of propylene polymers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11472828
SERIAL NO

17067222

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

This invention relates homogeneous (typically solution) polymerization of propylene and optional olefin comonomer using metallocene catalyst compounds having a 1,5,6,7-tetrahydro-s-indacenyl moiety bridged to another indacenyl moiety or bridged to a substituted or unsubstituted indenyl moiety.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
EXXONMOBIL CHEMICAL PATENTS INC22777 SPRINGWOODS VILLAGE PKWY TECH & IP LAW SPRING TX 77389

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jiang, Peijun Katy, US 157 2911
Yang, Jian Houston, US 606 6431

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 Apr 18, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 18, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 18, 2034
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