Method for making optical devices from homopolymers

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United States of America Patent

PATENT NO 6673275
SERIAL NO

09686498

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An improved optical film having a continuous/disperse phase morphology and a method for making the same is provided. At least one of the continuous and disperse phases comprises a blend of homopolymers which are inter-reacted, as by transesterification. The resulting films exhibit a higher degree of birefringence for a given level of strain than analogous films in which the blend is replaced by a random copolymer.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allen, Richard C Lilydale, MN 113 4195
Condo, Peter D Lake Elmo, MN 47 982
Cross, Elisa M Woodbury, MN 33 1523
Gangi, Joseph A St. Paul, MN 3 21
Hebrink, Timothy J Woodbury, MN 165 2919
Johnson, Stephen A Woodbury, MN 165 1769
Kent, Susan L Shorewood, MN 24 222
Merrill, William Ward White Bear Lake, MN 44 1324
Tabar, Ronald J St. Paul, MN 16 546

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