Stock material or miscellaneous articles – Structurally defined web or sheet – Fold at edge
Patent
1995-12-21
1998-06-02
Marquis, Melvyn I.
Stock material or miscellaneous articles
Structurally defined web or sheet
Fold at edge
524364, 524507, 524771, 525123, 525424, 525453, 525455, B32B 304
Patent
active
057596662
ABSTRACT:
The invention provides novel macromonomer and carboxyl functional polyurethanes having a high carboxyl content. The invention further provides dispersions, coatings and magnetic recording media comprising these polyurethanes, or blends or copolymers of these polyurethanes with quaternary ammonium compounds. The invention further provides novel dispersions, coatings and magnetic recording media comprising combinations of carboxyl functional polyurethanes having a high carboxyl content with quaternary ammonium polymers.
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Anderson Jeffrey T.
Blagev Albena V.
Carlson James G.
Rotto Nelson T.
Spawn Carol-Lynn
Dowdall Janice L.
Marquis Melvyn I.
Minnesota Mining and Manufacturing Company
Schulte Daniel C.
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