Addition-fragmentation oligomers having high refractive index groups

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United States of America Patent

PATENT NO 9730864
APP PUB NO 20160346170A1
SERIAL NO

15112220

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Abstract

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Addition-fragmentation oligomers of the general formula Z—By-A-(B-A)x-B-A-By—Z, where the A monomers units are derived from a diester or diacid, the B monomer units are derived from a difunctional monomer having functional groups co-reactive with the acid or ester groups of the A monomer, x+y is zero to 60, Z comprises an ethylenically unsaturated, polymerizable group, A monomers comprise a 1-methylene-3,3-dimethylpropyl group, and at least one B monomer unit comprises a high refractive index group.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fornof, Ann R Austin, US 33 129
Joly, Guy D Shoreview, US 62 310
Moser, William H Edina, US 52 862

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