Patent · US Active

Tulipalin copolymers

US7932336B2 · kind B2 · utility

2Cited by

0References

16Claims

0Family size

Assignee

Sabic Innovative Plastics B.V. · NL

Inventors

James Edward Pickett · Schenectady, US
Qing Ye · Westborough, US
Daniel Steiger · San Francisco, US

Key dates

Filing date	Nov 25, 2008
Grant date	Apr 26, 2011
Priority date	—
Expiry date	Nov 25, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31935
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Copolymers are disclosed comprising structural units derived from α-methylene-γ-butyrolactone, styrene, methyl methacrylate and acrylonitrile. The copolymers may be used as protective layers in multilayer articles that include UV sensitive substrate materials. The multilayer articles may also include a silicone hardcoat.

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