Patent · US Active

Optical compensation films of brominated styrenic polymers and related methods

US8435636B2 · kind B2 · utility

0Cited by

23References

7Claims

0Family size

Assignee

Akron Polymer Systems, Inc. · US

Inventors

Dong Zhang · Uniontown, US
Jiaokai Jing · Uniontown, US
Zhikuan Lu · Hudson, US
Thauming Kuo · Kingsport, US
Brian Michael King · Jonesborough, US
Xiaoliang Zheng · Hudson, US
Frank W. Harris · Akron, US
Ted Calvin Germroth · Kingsport, US

Key dates

Filing date	Apr 24, 2009
Grant date	May 7, 2013
Priority date	—
Expiry date	Mar 11, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31855
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Some embodiments include compositions and/or methods related to optical compensation films. More particularly, some embodiments can include brominated polystyrene compositions, and/or methods for their preparation, suitable for forming optical compensation films. In some embodiments, suitable brominated polystyrene compositions, and/or methods for their preparation, can include aromatic rings having one or more acyl moieties.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.