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1. 发明专利

DE3726865A1 未知
公开(公告)号：DE3726865A1
公开(公告)日：1988-02-18
申请号：DE3726865
申请日：1987-08-12
申请人： FUJI PHOTO FILM CO LTD
发明人： NARUO KYOICHI , OHTANI SUMIO , ETOH MASAHIRO , MORIYA IKURO
IPC分类号： B01D25/26 , B01D63/08 , B01D27/04
摘要： A filter cartridge for removing particles of the order of submicrons from a solution, comprising at least two filtering films laid in parallel with the inner peripheral portions bonded fixedly to an inner rim of the core and with the outer peripheral portions joined together, thus defining a path of a solution to be filtered, and providing a relatively large effective filtering area.

2. 发明专利

DE3740871A1 未知
公开(公告)号：DE3740871A1
公开(公告)日：1988-06-16
申请号：DE3740871
申请日：1987-12-02
申请人： FUJI PHOTO FILM CO LTD
发明人： SASAKI JUN , ADACHI ATSUSHI , NARUO KYOICHI , SHINAGAWA YUKIO , OHTANI SUMIO
IPC分类号： B01D67/00 , B01D69/02 , B01D69/06 , B01D13/00 , B01D13/04 , C08J5/18
摘要： A fine porous membrane having a pore size distribution in the thickness direction and having a layer having a minimum pore size in the interior thereof, wherein the ratio of maximum pore size to the average pore size, each as determined according to ASTM-316-80, is not more than 1.8. The fine porous membrane is produced by a process comprising casting a film-forming solution, comprising a polymer in a solvent having incorporated therein a swelling agent and a non-solvent, on a casting carrier while being in a solution state, directing air having a temperature of from 15 DEG to 60 DEG C. and a relative humidity of from 10 to 80% onto the surface of the cast film at a velocity of from 0.2 to 4 m/sec for a period of from 2 to 17 seconds to cause coacervation of the cast film while controlling the evaporation loss of the solvent from the cast film and the absorption of non-solvent vapors in the air, dipping the case film in a coagulating bath to cause phase separation and coagulation to form a fine porous membrane, and stripping off the membrane from the casting carrier. The fine porous membranes has a low filtration resistance, a great filtration flow rate, a high efficiency in trapping fine particles and bacteria, and a long life.

3. 发明专利

GB2101136A PROCESS FOR PRODUCING A CELLULOSE ESTER SOLUTION AND FILM 未知
公开(公告)号：GB2101136A
公开(公告)日：1983-01-12
申请号：GB8212941
申请日：1982-05-05
申请人： FUJI PHOTO FILM CO LTD
发明人： YABE MASAO , ONO KAZUHIRO , NARUO KYOICHI
IPC分类号： C08J5/18 , G03C1/795 , C08B3/22
摘要： A process for producing a cellulose ester support is described which comprises producing said support from an organic solvent solution of a cellulose ester containing 30 ppm or less alkaline earth metal.

4. 发明专利

DE3206109A1 未知
公开(公告)号：DE3206109A1
公开(公告)日：1982-11-04
申请号：DE3206109
申请日：1982-02-19
申请人： FUJI PHOTO FILM CO LTD
发明人： YAMAMOTO NOBUYUKI , NARUO KYOICHI , OKITA TSUTOMU , NISHIKAWA YASUO
IPC分类号： G11B5/725 , G11B5/73 , G11B5/72 , C07C119/042 , C09D3/72 , C23C13/02 , B05D5/00
摘要： A magnetic recording medium comprises a non-magnetic base, e.g. of plastics film, bearing a layer of magnetic metal, preferably vapor deposited; and on either or both surfaces of the medium, a layer of an isocyanic acid ester of formula alkyl- NCO, preferably the alkyl being straight chain and of 8 or more C atoms or a compound having at least 2, preferably at least 3, isocyanate groups per molecule, in a dry weight of 1-100 mg/m . The isocyanic or isocyanate compound can be applied by coating a solution in an organic solvent. A coating of an isocyanate compound may also contain 0.2-30 wt.% of a polymer or a lubricant e.g. an aliphatic acid of 10 or more C atoms. The thin layer of isocyanic ester or isocyanate improves the running properties, wear-resistance and electro-to-magnetic conversion characteristics of the tape, even after repeated use.

5. 发明专利

GB2101136B PROCESS FOR PRODUCING A CELLULOSE ESTER SOLUTION AND FILM 未知
公开(公告)号：GB2101136B
公开(公告)日：1985-11-13
申请号：GB8212941
申请日：1982-05-05
申请人： FUJI PHOTO FILM CO LTD
发明人： YABE MASAO , ONO KAZUHIRO , NARUO KYOICHI
IPC分类号： C08J5/18 , G03C1/795 , C08B3/22
摘要： A process for producing a cellulose ester support is described which comprises producing said support from an organic solvent solution of a cellulose ester containing 30 ppm or less alkaline earth metal.

6. 发明专利

DE3328741A1 未知
公开(公告)号：DE3328741A1
公开(公告)日：1984-02-16
申请号：DE3328741
申请日：1983-08-09
申请人： FUJI PHOTO FILM CO LTD
发明人： OKITA TSUTOMU , NARUO KYOICHI , HASHIMOTO HIROSHI
IPC分类号： C09D5/23 , C09D101/18 , C09D175/00 , C09D175/04 , G11B5/702 , G11B5/68 , G11B5/84 , B05D5/12 , H01F10/10 , B32B5/16
摘要： A magnetic recording medium comprised of a support having a magnetic layer coated thereon is disclosed. The magnetic layer is comprised of a binder composition having a ferromagnetic powder dispersed therein. The binder composition is cured by an electron beam. The composition is comprised of 50 to 400 parts by weight of a compound having 2 or more acryloyl groups or methacryloyl groups in the molecule and 100 parts by weight of a mixture of 20 to 80 parts by weight of a thermoplastic resin having a thermal deformation temperature of 70 DEG C. or more and 20 to 80 parts by weight of a rubber type resin. The material has excellent electromagnetic properties after repeated use. Further, the medium has high physical strength and excellent wear resistance.

7. 发明专利

GB2102305A Magnetic recording medium and process for producing the same 未知
公开(公告)号：GB2102305A
公开(公告)日：1983-02-02
申请号：GB8214779
申请日：1982-05-20
申请人： FUJI PHOTO FILM CO LTD
发明人： MASUDA TOSHIYUKI , YAMAMOTO NOBUYUKI , NARUO KYOICHI
IPC分类号： G11B5/64 , G11B5/72 , G11B5/84 , G11B5/66 , B32B15/18 , B32B27/36 , B32B27/38
摘要： A magnetic recording medium comprises a non-magnetic support, e.g. polyethylene terephthalate, coated with a thin layer of ferromagnetic Fe, Co or Ni or ferromagnetic alloy, and on at least one surface a layer of an epoxy resin formed by curing a two-part composition, usually a condensate of bisphenol A and epichlorohydrin, having an epoxy equivalent of 400 to 3,000, together with a curing agent. Another polymer (cellulose derivative, polyurethane or vinyl polymer) may be present in the layer. The resin layer preferably contains or is coated with a lubricant, e.g. an aliphatic acid or amide or ester thereof, higher alcohol or metal soap. The medium can be used for video recording; it has good running properties, wear resistance and electro-to-magnetic conversion.

8. 发明专利

DE3728825A1 未知
公开(公告)号：DE3728825A1
公开(公告)日：1988-03-03
申请号：DE3728825
申请日：1987-08-28
申请人： FUJI PHOTO FILM CO LTD
发明人： NARUO KYOICHI , OHTANI SUMIO , ETOH MASAHIRO , TSURUTA MASAO , MORIYA IKURO , ISHIGURO MASANORI , MATSUMOTO AKIRA
IPC分类号： B01D25/26 , B01D63/08 , B01D27/04

9. 发明专利

GB2102305B MAGNETIC RECORDING MEDIUM AND PROCESS FOR PRODUCING THE SAME 未知
公开(公告)号：GB2102305B
公开(公告)日：1984-10-10
申请号：GB8214779
申请日：1982-05-20
申请人： FUJI PHOTO FILM CO LTD
发明人： MASUDA TOSHIYUKI , YAMAMOTO NOBUYUKI , NARUO KYOICHI
IPC分类号： G11B5/64 , G11B5/72 , G11B5/84 , G11B5/66 , B32B15/18 , B32B27/36 , B32B27/38
摘要： A magnetic recording medium comprises a non-magnetic support, e.g. polyethylene terephthalate, coated with a thin layer of ferromagnetic Fe, Co or Ni or ferromagnetic alloy, and on at least one surface a layer of an epoxy resin formed by curing a two-part composition, usually a condensate of bisphenol A and epichlorohydrin, having an epoxy equivalent of 400 to 3,000, together with a curing agent. Another polymer (cellulose derivative, polyurethane or vinyl polymer) may be present in the layer. The resin layer preferably contains or is coated with a lubricant, e.g. an aliphatic acid or amide or ester thereof, higher alcohol or metal soap. The medium can be used for video recording; it has good running properties, wear resistance and electro-to-magnetic conversion.

10. 发明专利

DE3220066A1 未知
公开(公告)号：DE3220066A1
公开(公告)日：1982-12-16
申请号：DE3220066
申请日：1982-05-27
申请人： FUJI PHOTO FILM CO LTD
发明人： MASUDA TOSHIYUKI , YAMAMOTO NOBUYUKI , NARUO KYOICHI
IPC分类号： G11B5/64 , G11B5/72 , G11B5/84
摘要： A magnetic recording medium comprises a non-magnetic support, e.g. polyethylene terephthalate, coated with a thin layer of ferromagnetic Fe, Co or Ni or ferromagnetic alloy, and on at least one surface a layer of an epoxy resin formed by curing a two-part composition, usually a condensate of bisphenol A and epichlorohydrin, having an epoxy equivalent of 400 to 3,000, together with a curing agent. Another polymer (cellulose derivative, polyurethane or vinyl polymer) may be present in the layer. The resin layer preferably contains or is coated with a lubricant, e.g. an aliphatic acid or amide or ester thereof, higher alcohol or metal soap. The medium can be used for video recording; it has good running properties, wear resistance and electro-to-magnetic conversion.

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