Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1998-11-06
2000-10-31
Pianalto, Bernard
Stock material or miscellaneous articles
Composite
Of inorganic material
4284259, 428694BU, 428702, 428900, G11B 566
Patent
active
061399825
ABSTRACT:
A magnetic recording medium comprising a magnetic layer provided upon a major surface of a substrate, wherein the magnetic layer includes a magnetic pigment, and a polymeric binder system containing a polyurethane having (1) a plurality of pendant phosphonate ester groups effective for promoting wetting of the magnetic pigment by the polymeric binder system, and (2) at least one quaternary ammonium group effective for promoting wetting of the magnetic pigment by the polymeric binder system.
REFERENCES:
patent: 4244987 (1981-01-01), Aydin et al.
patent: 4529661 (1985-07-01), Ninomiya et al.
patent: 4612244 (1986-09-01), Kaneda et al.
patent: 4770941 (1988-09-01), Imai et al.
patent: 4784913 (1988-11-01), Nakamura et al.
patent: 4784914 (1988-11-01), Matsufuji et al.
patent: 4830923 (1989-05-01), Sumiya et al.
patent: 4837082 (1989-06-01), Harrell et al.
patent: 4842942 (1989-06-01), Yatsuka et al.
patent: 4861683 (1989-08-01), Nakachi et al.
patent: 4876149 (1989-10-01), Ramharack
patent: 5008357 (1991-04-01), Nakachi et al.
patent: 5028676 (1991-07-01), Nakachi et al.
patent: 5064730 (1991-11-01), Takano et al.
patent: 5096774 (1992-03-01), Sano et al.
patent: 5098783 (1992-03-01), Watanabe et al.
patent: 5126202 (1992-06-01), Inaba et al.
patent: 5139892 (1992-08-01), Nakachi et al.
patent: 5482777 (1996-01-01), Yamakawa et al.
patent: 5491029 (1996-02-01), Evans et al.
patent: 5501903 (1996-03-01), Erkkila et al.
patent: 5712345 (1998-01-01), Erkkila et al.
Abstract of JP01073523A published Aug. 17, 1989.
Abstract of JP01106324A published Apr. 24, 1989.
Abstract of JP02012613A published Jan. 17, 1990.
Abstract of JP02053219A published Feb. 22, 1990.
Abstract of JP3041618 published Feb. 22, 1991.
Abstract of JP3141018 published Jun. 17, 1991.
Abstract of JP3203020 published Sep. 4, 1991.
Abstract of JP3224130A published Oct. 3, 1991.
Abstract of JP3224129A published Oct. 3, 1991.
Abstract of JP3224128A published Oct. 3, 1991.
Abstract of JP86026132 published Jun. 19, 1986.
Bottomley William E.
Erkkila Ruth M.
Mayo Philip I.
Buharin Amelia A.
Imation Corp.
Pianalto Bernard
Sherrill Michael S.
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