Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1993-06-15
1996-01-09
Resan, Stevan A.
Stock material or miscellaneous articles
Composite
Of polyamidoester
428694BU, 428694BY, 428694BL, 428694BB, 428900, 252 6254, G11B 500
Patent
active
054827779
ABSTRACT:
According to this invention, there is provided a binder containing a polyurethane resin having an urethane bond and formed by the reaction of a diisocyanate and a polyol, said resin containing on the average at least 2.3 isocyanate groups in a molecule, having a number average molecular weight of at least 2,000 but at most 10,000 and containing less than 20% of a component having a molecular weight of at most 1,000; a magnetic recording layer or back coat layer using same; and a magnetic recording medium having same. Said magnetic recording medium is excellent in magnetic characteristics, durability and running property.
REFERENCES:
patent: 4152485 (1979-05-01), Mizumura et al.
patent: 4328935 (1982-05-01), Steel
patent: 4439486 (1984-03-01), Yamada et al.
patent: 4937098 (1990-06-01), Nishikawa et al.
patent: 5069807 (1991-12-01), Ohkubo et al.
patent: 5071578 (1991-12-01), Ohkubo et al.
Yutaka Mizumura et al, Japanese Patent Publication No. 41565/Sep. 1983.
Masashi Somezawa, Japanese Laid-Open Patent Application No. 92422/Jun. 1982 with English Abstract.
Tatsuo Kamihori et al, Japanese Patent Publication No. 42486/Dec. 1973 and English translation of Claim 1.
Seiji Nishioka et al, Japanese Patent Publication No. 35525/Sep. 1977 with English translation of Claim 1.
Goro Akashi et al, Japanese Patent Publication No. 28048/Jul. 1972 and English translation of Claim 1.
Nishikawa, et al., Japanese Unexamined Patent Appln. Kokai 55-122,232, Patent Abstracts of Japan, P field, vol. 6, No. 137, Jul. 24, 1982.
Akiyama, Japanese Unexamined Patent Appln. Kokai 57-60,529, Patent Abstracts of Japan, P field, vol. 4, No. 180, Dec. 12, 1980.
Nakamura Katsuya
Yamakawa Masahiro
Nippon Zeon Co. Ltd.
Resan Stevan A.
LandOfFree
Magnetic recording media and composition containing a specified does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Magnetic recording media and composition containing a specified , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic recording media and composition containing a specified will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1301722