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1. 发明专利

JPS5840087A IMMOBILIZATION OF GLUCOSE ISOMERASE 失效
公开(公告)号：JPS5840087A
公开(公告)日：1983-03-08
申请号：JP13910381
申请日：1981-09-03
申请人： KOGYO GIJUTSUIN , NICHIBI KK
发明人： ICHIJIYOU HISAO , SUEHIRO TETSUROU , YAMAUCHI AIZOU , OGAWA SHIGEO , SHIRASAKA AKIHISA , YAMADA SETSUO
IPC分类号： C12N9/92 , C12N11/08
摘要： PURPOSE:Cobalt ion and magnesium ion are added to the coagulation bath to give an immobilized glucose isomerase with stabilized activity for a long period of time. CONSTITUTION:A water-soluble cobalt compound and a magnesium compound are added to a glucose isomerase aqueous solution of an arbitrary concentration so that the concentration of the cobalt ion becomes 1-70 preferably 5-50, micrograms per 1mg of the protein of glucose isomerase enzyme and magnesium ion, 3-350, preferably 10-100 micrograms. Then, a fibrous or powdery support, preferably having amino groups, is dipped into the resultant immobilization bath and stood one overnight at about 30 deg.C.

2. 发明专利

JPS5910793B2 JPS5910793B2 - 失效
公开(公告)号：JPS5910793B2
公开(公告)日：1984-03-12
申请号：JP13910381
申请日：1981-09-03
申请人： Kogyo Gijutsu Incho , Nichibi Kk
发明人： ICHIJO HISAO , SUEHIRO TETSURO , YAMAUCHI AIZO , OGAWA SHIGEO , SHIRASAKA AKIHISA , YAMADA SETSUO
IPC分类号： C12N9/92 , C12N11/08

3. 发明专利

JPS6317691A IMMOBILIZED ENZYME FOR PRODUCING ASPARTAME 失效
公开(公告)号：JPS6317691A
公开(公告)日：1988-01-25
申请号：JP15979986
申请日：1986-07-09
申请人： AGENCY IND SCIENCE TECHN , NICHIBI KK
发明人： ICHIMURA KUNIHIRO , MIYAMATSU NORIHISA , YAMADA SETSUO
IPC分类号： C12N11/08 , C12P21/02
摘要： PURPOSE:To efficiently produce Z-aspartame from Z-L-aspartic acid, by using a photocrosslinked polyvinyl alcohol, having specific functional groups and saponification degree and containing immobilized thermolysin. CONSTITUTION:Stilbazolium groups in an amount of 0.5-10mol%, preferably 0.8-4mol% are introduced into polyvinyl alcohol having >=80mol%, particularly >=85mol% saponification degree and preferably 1,000-2,000 polymerization degree to give photocrosslinkable polyvinyl alcohol. 10-50wt% thermolysin is added to an aqueous solution of the above-mentioned photocrosslinkable polyvinyl alcohol to provide a mixed solution, which is then molded into the form of a film or fiber, dried and irradiated with light to form a photocrosslinked material and afford an immobilized enzyme having preferably 10-50mum thickness or diameter of the molded article. The above-mentioned immobilized enzyme is capable of catalyzing condensation reaction of Z-L- aspartic acid with L-phenylalanine methyl ester and producing Z-aspartame.

4. 发明专利

JPH042877A ANTIBACTERIAL FIBER AND PRODUCTION THEREOF 失效
公开(公告)号：JPH042877A
公开(公告)日：1992-01-07
申请号：JP33629489
申请日：1989-12-27
申请人： NICHIBI KK
发明人： MIYAMATSU NORIHISA , FUJII NOBUO , YAMADA SETSUO
IPC分类号： D06M11/00 , D06M11/83 , D06M15/333 , D06M23/00
摘要： PURPOSE:To obtain the subject fiber having a stable antibacterial property without deteriorating the physical properties of the fiber by forming on the fiber a coating layer comprising a crosslinked water-soluble polymer containing an antibacterial metal colloid. CONSTITUTION:Fibers, e.g. PVA fibers, are impregnated and treated with a treating solution to coat the surfaces of the fibers with a metal particles colloid for providing the fibers with an excellent antibacterial performance, the treating solution being prepared by dissolving a water-soluble polymer, e.g. polymers containing >=50wt.% of PVA, in water, mixing the solution with a solution containing a metal colloid produced by adding a reducing agent (e.g. hydrazine hydrate) to the aqueous solution of a metal salt selected from the salts of tin, lead, copper, silver, etc., and further adding a crosslinking agent (e.g. glutaraldehyde) for the water-soluble polymer.

5. 发明专利

JPH0345709A ANTIMICROBIAL FIBER AND PRODUCTION THEREOF 失效
公开(公告)号：JPH0345709A
公开(公告)日：1991-02-27
申请号：JP17550489
申请日：1989-07-10
申请人： NICHIBI KK
发明人： MIYAMATSU NORIHISA , FUJII NOBUO , YAMADA SETSUO
IPC分类号： D01F6/50
摘要： PURPOSE:To obtain the title fiber exhibiting no lowering of physical performance of a fiber itself, having resistance to abrasion and stable antimicrobial physical performance free from falling off, by adding a reducing agent to a mixed aqueous solution of PVA and specific water soluble salt of a metal of tin, etc., to form a metal colloid and then spinning the mixed solution. CONSTITUTION:A reducing agent (e.g. formaldehyde or hydrazine) is added to a mixed aqueous solution of PVA and at least one or more water soluble salts of metal selected from Sn, Pb, Cu and Ag to form a metal colloid. Then the mixed solution is spun to provide the aimed fiber. Furthermore, the content of metal colloid particles is preferably 0.0001-5.0wt.

6. 发明专利

JPS63214356A HYDROPHILIC ION EXCHANGE MATERIAL 失效
公开(公告)号：JPS63214356A
公开(公告)日：1988-09-07
申请号：JP4520887
申请日：1987-03-02
申请人： NICHIBI KK
发明人： MIYAMATSU NORIHISA , YAMADA SETSUO
IPC分类号： B01D15/04 , B01J39/20 , B01J41/14 , B01J43/00
摘要： PURPOSE:To enhance the capacity to adsorb and separate enzyme and chemical resistance to a large extent, by using an extremely thick and extremely short porous fiber obtained by the phase separation spinning of polyvinyl alcohol and introducing a specific amount of an ion exchange group in said fiber. CONSTITUTION:Polyvinyl alcohol and a water-soluble polymer non-compatible therewith are mixed and spun in a solution form so that the former show a sea phase and the latter show an island phase and the spun fiber is stretched and heat-treated if necessary. This fiber is cut into a predetermined fiber length and the latter water soluble polymer is eluted and removed to obtain an extremely thick porous body composed of polyvinyl alcohol having an outer short columnar shape having a diameter of 100-5,000mum and a length/diameter ratio of 0.3-3 as well as a pore structure having pore groups with a pore size of 0.01mum or more at the cut surface thereof vertical to the axis of the porous body communicating in the axial direction and a void ratio of 20-80%. This porous body is subjected to insolubilizing treatment if necessary and an ion exchange group is introduced into the porous body so as to obtain ion exchange capacity of 0.3meq/g or more.

7. 发明专利

JPS63214350A HYDROPHILIC ADSORBENT 失效
公开(公告)号：JPS63214350A
公开(公告)日：1988-09-07
申请号：JP4520787
申请日：1987-03-02
申请人： NICHIBI KK
发明人： MIYAMATSU NORIHISA , YAMADA SETSUO
IPC分类号： B01J20/26
摘要： PURPOSE:To enhance the capacitor for adsorbing, separating and purifying macromolecules, by constituting a short columnar substance having a specific range of diameter and length/diameter ratio of an ultrafine fiber bundle having a specific fiber diameter and a cylindrical body receiving said fiber bundle at the open end thereof. CONSTITUTION:An aqueous solution having polyvinyl alcohol and partially saponified polyvinyl alcohol mixed and dissolved therein is spun into an extremely thick fiber which is, in turn, extruded into a coagulation bath. After the extremely thick fiber is treated with a strong alkaline aqueous solution, the treated fiber is cut into a predetermined length and washed to obtain a polyvinyl alcohol porous body. An ion exchange group is introduced into said porous body to prepare an adsorbent. This adsorbent has a short columnar shape having a diameter of 100-5,000mum and a length/diameter ratio of 0.3-3 and is formed of ultrafine fiber bundles each having a fiber diameter of 0.01-10mum arranged in the axial direction and a cylindrical film with a thickness of 5-50mum receiving said fiber bundles opened at both ends and the ion exchange group thereof is 0.3meq/g or more.

8. 发明专利

JPH0257918B2 失效
公开(公告)号：JPH0257918B2
公开(公告)日：1990-12-06
申请号：JP15979986
申请日：1986-07-09
申请人： KOGYO GIJUTSU INCHO , NICHIBI KK
发明人： ICHIMURA KUNIHIRO , MYAMATSU NORIHISA , YAMADA SETSUO
IPC分类号： C12N11/08 , C12P21/02

9. 发明专利

JPH01168912A WATER ABSORBING SHRINKABLE YARN OF POLYVINYL ALCOHOL BASE AND PRODUCTION THEREOF 失效
公开(公告)号：JPH01168912A
公开(公告)日：1989-07-04
申请号：JP32673087
申请日：1987-12-25
申请人： NICHIBI KK
发明人： MIYAMATSU NORIHISA , YAMADA SETSUO
IPC分类号： B41N7/04 , D01F6/34 , D01F6/36 , D01F6/50
摘要： PURPOSE:To obtain the title yarn having rapid shrink properties, high shrinkage factors and shrinkage stress, by preparing an aqueous solution of specific two polyvinyl alcohols and a hydrophilic amine, subjecting to dry spinning, drawing and heat-treating. CONSTITUTION:A mixture, used as a raw material, comprising (A) 20-70wt.% modified polyvinyl alcohol containing 1-5 mol% based on a vinyl alcohol unit of an acidic group consisting of sulfonic group and/or carboxylic group, (B) 1.5-10.0wt.% ethanol amine or polyoxyethylene alkyl amine and (C) the rest of a highly saponified polyvinyl alcohol having 1200-3000 average degree of polymerization and >=99.0 mol% saponification degree, is dissolved in water to prepare a spinning dope. Then, this spinning dope is subjected to dry spinning, >=4 times drawn and heat-treated at 130-200 deg.C to afford the aimed water absorbing shrinkable yarn.

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