Method for producing a polymer, polymer solution and polymer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9862793
APP PUB NO 20150299370A1
SERIAL NO

14440776

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention provides a method for producing a polymer by efficiently removing residue of metals such as titanium, aluminum and lithium from a polymer solution containing the residue of these metals to successfully obtain a purified polymer solution containing a smaller amount of the metal residue and having satisfactory color tone and transparency, a polymer solution and a polymer obtained by the production method.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ASAHI KASEI CHEMICALS CORPORATION1-105 KANDA JINBOCHO CHIYODA-KU TOKYO 101-8101

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shibuya, Kenta Tokyo, JP 9 24
Shimizu, Daisuke Tokyo, JP 113 573
Suzuki, Takuya Tokyo, JP 147 938

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 Jul 9, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 9, 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