Patent · US Active

Block copolymer composition and methods relating thereto

US8822615B1 · kind B1 · utility

8Cited by

3References

12Claims

0Family size

Assignees

Rohm and Haas Electronic Materials LLC · US
DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Peter Trefonas, III · Medway, US
Phillip D. Hustad · Manvel, US
Xinyu Gu · Hangzhou City, CN
Erin B. Vogel · Midland, US
Valeriy V. Ginzburg · Midland, US
Shih-Wei Chang
Daniel J. Murray · Midland, US

Key dates

Filing date	Feb 8, 2013
Grant date	Sep 2, 2014
Priority date	—
Expiry date	Apr 26, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG03F7/0002
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A copolymer composition is provided including a block copolymer having a poly(acrylate) block and a poly(silyl acrylate) block; wherein the block copolymer exhibits a number average molecular weight, MN, of 1 to 1,000 kg/mol; and, wherein the block copolymer exhibits a polydispersity, PD, of 1 to 2. Also provided are substrates treated with the copolymer composition.

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