Main > POLYMERS > Poly(Urethane) > Film > Image Bearing Retroreflective Sheet

Product USA. A

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 04.00
PATENT ASSIGNEE Avery Dennison
PATENT CLAIMS PU film-forming mixt comprising
- An aliphatic PU derived from an aliphatic polyisocyanate
& polyester polyol prepd from a mixt comprising at least
one polyol comp & at least one dicarboxylic acid or anhy
dride comp selected from the group consisting of phthalic
acid or anhydride, adipic acid, azelaic acid, suberic acid
& cyclohexane dicarboxylic acid provided that when the
dicarboxylic acid or anhydride comp comprises a mixt of
acids &/or anhydrides, isophthalic acid or anhydride is not
the major dicarboxylic acid or anhydride present in the mixt
- Hydroxy-contg imidazoline
PATENT PHOTOCOPY Available on request

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