Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1990-02-27
1992-03-31
Ryan, Patrick J.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
428 65, 428913, 369283, 369288, 346 76L, 3461351, B32B 300
Patent
active
051007002
ABSTRACT:
An information recording medium comprising a substrate, and a recording layer formed thereon, which comprises as the main component a compound having the following formula:
REFERENCES:
patent: 4513071 (1985-04-01), Mey
patent: 4939013 (1990-07-01), Kimura et al.
patent: 4954379 (1990-09-01), Nishida et al.
patent: 5011723 (1991-04-01), Harigaya et al.
Harigaya Makoto
Ide Yukio
Iwasaki Hiroko
Yamada Katsuyuki
Evans Elizabeth
Ricoh & Company, Ltd.
Ryan Patrick J.
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