FI59120C - Foerfarande foer tillvaratagande av xylos ur havreskal genom upploesning i tvao steg - Google Patents
Foerfarande foer tillvaratagande av xylos ur havreskal genom upploesning i tvao steg Download PDFInfo
- Publication number
- FI59120C FI59120C FI3365/74A FI336574A FI59120C FI 59120 C FI59120 C FI 59120C FI 3365/74 A FI3365/74 A FI 3365/74A FI 336574 A FI336574 A FI 336574A FI 59120 C FI59120 C FI 59120C
- Authority
- FI
- Finland
- Prior art keywords
- solution
- xylose
- weight
- acetic acid
- residue
- Prior art date
Links
- PYMYPHUHKUWMLA-VPENINKCSA-N aldehydo-D-xylose Chemical compound OC[C@@H](O)[C@H](O)[C@@H](O)C=O PYMYPHUHKUWMLA-VPENINKCSA-N 0.000 title 1
- 108090000623 proteins and genes Proteins 0.000 title 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 57
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 claims description 43
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 35
- 239000000243 solution Substances 0.000 claims description 27
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 claims description 22
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 239000010903 husk Substances 0.000 claims description 17
- 230000007062 hydrolysis Effects 0.000 claims description 9
- 238000006460 hydrolysis reaction Methods 0.000 claims description 9
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 8
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 claims description 4
- 229960002218 sodium chlorite Drugs 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- VISKNDGJUCDNMS-UHFFFAOYSA-M potassium;chlorite Chemical compound [K+].[O-]Cl=O VISKNDGJUCDNMS-UHFFFAOYSA-M 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 30
- 244000075850 Avena orientalis Species 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 239000000706 filtrate Substances 0.000 description 6
- 229920005610 lignin Polymers 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 4
- 229910001919 chlorite Inorganic materials 0.000 description 4
- 229910052619 chlorite group Inorganic materials 0.000 description 4
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 4
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 240000000731 Fagus sylvatica Species 0.000 description 2
- 235000010099 Fagus sylvatica Nutrition 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 239000006188 syrup Substances 0.000 description 2
- 235000020357 syrup Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000000811 xylitol Substances 0.000 description 2
- 235000010447 xylitol Nutrition 0.000 description 2
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 2
- 229960002675 xylitol Drugs 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000011978 dissolution method Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 150000002972 pentoses Chemical class 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 125000000969 xylosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)CO1)* 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K13/00—Sugars not otherwise provided for in this class
- C13K13/002—Xylose
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732358472 DE2358472C3 (de) | 1973-11-23 | Verfahren zur Herstellung von XyloseHteungen | |
DE2358472 | 1973-11-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI336574A7 FI336574A7 (cs) | 1975-05-24 |
FI59120B FI59120B (fi) | 1981-02-27 |
FI59120C true FI59120C (fi) | 1981-06-10 |
Family
ID=5898901
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI3365/74A FI59120C (fi) | 1973-11-23 | 1974-11-21 | Foerfarande foer tillvaratagande av xylos ur havreskal genom upploesning i tvao steg |
FI3366/74A FI56711C (fi) | 1973-11-23 | 1974-11-21 | Foerfarande foer tillvaratagande av lignin och cellulosa |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI3366/74A FI56711C (fi) | 1973-11-23 | 1974-11-21 | Foerfarande foer tillvaratagande av lignin och cellulosa |
Country Status (8)
Country | Link |
---|---|
US (1) | US3970712A (cs) |
JP (2) | JPS5077553A (cs) |
CH (2) | CH598277A5 (cs) |
FI (2) | FI59120C (cs) |
FR (1) | FR2252407B3 (cs) |
GB (1) | GB1465597A (cs) |
IE (1) | IE40414B1 (cs) |
IT (1) | IT1025347B (cs) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1055127B (it) * | 1975-05-22 | 1981-12-21 | Sued Chemie Ag | Procedimento per la preparazione di soluzioni di xilosio |
CH585266A5 (cs) * | 1975-07-02 | 1977-02-28 | Sulzer Ag | |
DE2545111C3 (de) * | 1975-10-08 | 1980-07-17 | Sued-Chemie Ag, 8000 Muenchen | Verfahren zum zweistufigen Aufschließen von xylanhaltigen Naturprodukten zwecks Gewinnung von Xylose |
DE2545110C3 (de) * | 1975-10-08 | 1981-09-10 | Süd-Chemie AG, 8000 München | Verfahren zum zweistufigen Aufschließen der Hemicellulosen von xylanhaltigen Naturprodukten zwecks Gewinnung von Xylose |
DE2553647C3 (de) * | 1975-11-28 | 1978-11-02 | Sued-Chemie Ag, 8000 Muenchen | Verfahren zum zweistufigen Aufschließen der Hemicellulosen von xylanhaltigen Naturprodukten zwecks Gewinnung von Xylose |
US4038481A (en) * | 1976-05-24 | 1977-07-26 | Standard Brands Incorporated | Method for treatment of corn hulls |
US4321360A (en) * | 1979-02-21 | 1982-03-23 | Blount David H | Production of carbohydrates |
US4239906A (en) * | 1979-06-07 | 1980-12-16 | Standard Brands Incorporated | Method for obtaining a purified cellulose product from corn hulls |
NL8300947A (nl) * | 1983-03-16 | 1984-10-16 | Philips Nv | Optische bandeindedetektieinrichting. |
US5023103A (en) * | 1987-01-27 | 1991-06-11 | D. D. Williamson & Co., Inc. | Fiber and method of making |
CA1319853C (en) * | 1987-01-27 | 1993-07-06 | Setlur Ranganna Ramaswamy | Dietary fiber and method of making |
BR0301678A (pt) * | 2003-06-10 | 2005-03-22 | Getec Guanabara Quimica Ind S | Processo para a produção de xilose cristalina a partir de bagaço de cana-de-açucar, xilose cristalina de elevada pureza produzida através do referido processo, processo para a produção de xilitol cristalino a partir da xilose e xilitol cristalino de elevada pureza assim obtido |
US7815741B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
US7815876B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
ES2528125T3 (es) * | 2008-03-17 | 2015-02-04 | Bio Tech Ltd | Método de hidrólisis ácida continua de sustancias que contienen celulosa |
JP6114935B2 (ja) * | 2011-09-14 | 2017-04-19 | 桜宮化学株式会社 | リグノセルロース含有材料からの機能材料の製造方法 |
JP2014208803A (ja) * | 2013-03-29 | 2014-11-06 | ロイス・ドットコム株式会社 | リグニン回収方法 |
JP2020501595A (ja) | 2016-12-21 | 2020-01-23 | クリエイタス バイオサイエンシス インコーポレイテッド | キシリトールを生産するメチニコビア種 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2615883A (en) * | 1947-09-19 | 1952-10-28 | Iowa State College Res Found | Production of lignin, cellulose, and pentosans |
US2801955A (en) * | 1955-11-17 | 1957-08-06 | Nat Starch Products Inc | Process for extraction of hemicellulose |
US2835611A (en) * | 1956-06-28 | 1958-05-20 | Francis H Snyder | Production of sugars from wood products |
US3212933A (en) * | 1963-04-12 | 1965-10-19 | Georgia Pacific Corp | Hydrolysis of lignocellulose materials with solvent extraction of the hydrolysate |
US3251716A (en) * | 1964-05-28 | 1966-05-17 | Allied Chem | Hydrolysis of lignocellulose materials with concentrated hydrochloric acid |
DE1567335C3 (de) * | 1967-10-17 | 1979-03-29 | Rudolf Dipl.-Ing. 8000 Muenchen Eickemeyer | Verfahren und Vorrichtung zum chemischen Aufschluß cellulosehaltigen Materials |
US3565687A (en) * | 1968-02-26 | 1971-02-23 | Okamura Oil Mill | Manufacturing method of xylose with cottonseed hulls as material |
US3579380A (en) * | 1969-12-04 | 1971-05-18 | Sued Chemie Ag | Process for the production of xylose solutions |
US3784408A (en) * | 1970-09-16 | 1974-01-08 | Hoffmann La Roche | Process for producing xylose |
NO128174B (cs) * | 1971-09-23 | 1973-10-08 | Toten Cellulosefab As |
-
1974
- 1974-10-30 IT IT28989/74A patent/IT1025347B/it active
- 1974-11-13 US US05/523,456 patent/US3970712A/en not_active Expired - Lifetime
- 1974-11-18 IE IE2371/74A patent/IE40414B1/xx unknown
- 1974-11-18 GB GB4987974A patent/GB1465597A/en not_active Expired
- 1974-11-20 CH CH1543574A patent/CH598277A5/xx not_active IP Right Cessation
- 1974-11-20 CH CH1543474A patent/CH597348A5/xx not_active IP Right Cessation
- 1974-11-21 FI FI3365/74A patent/FI59120C/fi active
- 1974-11-21 FR FR7438253A patent/FR2252407B3/fr not_active Expired
- 1974-11-21 FI FI3366/74A patent/FI56711C/fi active
- 1974-11-22 JP JP49135070A patent/JPS5077553A/ja active Pending
- 1974-11-22 JP JP49135071A patent/JPS5083501A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2252407B3 (cs) | 1977-08-19 |
GB1465597A (en) | 1977-02-23 |
FI59120B (fi) | 1981-02-27 |
IE40414B1 (en) | 1979-05-23 |
DE2358472A1 (de) | 1975-05-28 |
JPS5083501A (cs) | 1975-07-05 |
FI56711B (fi) | 1979-11-30 |
IT1025347B (it) | 1978-08-10 |
CH597348A5 (cs) | 1978-03-31 |
IE40414L (en) | 1975-05-23 |
DE2358472B2 (de) | 1976-01-08 |
FR2252407A1 (cs) | 1975-06-20 |
FI56711C (fi) | 1980-03-10 |
JPS5077553A (cs) | 1975-06-24 |
US3970712A (en) | 1976-07-20 |
FI336574A7 (cs) | 1975-05-24 |
CH598277A5 (cs) | 1978-04-28 |
FI336674A7 (cs) | 1975-05-24 |
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