Cyclic organosilicon compounds as electron donors in Zeigler-Natta catalyst systems for producing propylene polymer having high melt-flowability

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11572425
APP PUB NO 20200277414A1
SERIAL NO

16875043

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Cyclic organosilicon compounds having a structure represented by the general formula

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • FORMOSA PLASTICS CORPORATION U.S.A.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fang, Yiqun Port Lavaca, US 14 50
Zhang, Lei Port Lavaca, US 2506 17995

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 Aug 7, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 7, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 7, 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