Hydrolysis resistant polyester films

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9416225
APP PUB NO 20120227801A1
SERIAL NO

13394623

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A biaxially oriented polyester film including polyethylene terephthalate (PET) and at least one hydrolysis stabilizer selected from a glycidyl ester of a branched monocarboxylic acid, wherein the monocarboxylic acid has from 5 to 50 carbon atoms, wherein the hydrolysis stabilizer is present in the film in the form of its reaction product with at least some of the end-groups of the polyester; a process for making the same; and use of the film as a layer in a photovoltaic cell.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
DUPONT TEIJIN FILMS U S LIMITED PARTNERSHIPCHESTNUT RUN PLAZA 730 974 CENTRE ROAD WILMINGTON DE 19805

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brennan, William J Middlesbrough, GB 14 99
Lovatt, Allan Middlesbrough, GB 9 57
Mortlock, Simon V Dumfries, GB 3 21
Phillips, David Cleveland, GB 83 970
Turner, David R Newcastle-Upon-Tyne, GB 15 200

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 16, 2028
Fee Large entity fee small entity fee micro entity fee
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