DE1494819A1 - Fettungsmittel fuer Leder - Google Patents
Fettungsmittel fuer LederInfo
- Publication number
- DE1494819A1 DE1494819A1 DE19651494819 DE1494819A DE1494819A1 DE 1494819 A1 DE1494819 A1 DE 1494819A1 DE 19651494819 DE19651494819 DE 19651494819 DE 1494819 A DE1494819 A DE 1494819A DE 1494819 A1 DE1494819 A1 DE 1494819A1
- Authority
- DE
- Germany
- Prior art keywords
- leather
- acid
- component
- fatliquor
- groups
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010985 leather Substances 0.000 title claims description 33
- 239000002253 acid Substances 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 11
- 125000003700 epoxy group Chemical group 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Substances OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 4
- 238000006735 epoxidation reaction Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 description 17
- 239000003925 fat Substances 0.000 description 10
- 235000019197 fats Nutrition 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 239000004593 Epoxy Substances 0.000 description 6
- -1 carbon atoms Fatty alcohols Chemical class 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- 239000003549 soybean oil Substances 0.000 description 6
- 235000012424 soybean oil Nutrition 0.000 description 6
- QPXDCWRAUMXWMG-KTKRTIGZSA-N 2-hydroxy-2-[2-[(z)-octadec-9-enoxy]-2-oxoethyl]butanedioic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCOC(=O)CC(O)(C(O)=O)CC(O)=O QPXDCWRAUMXWMG-KTKRTIGZSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 235000019198 oils Nutrition 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000011007 phosphoric acid Nutrition 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- UUSZKRHFJPNZBO-FQEVSTJZSA-N (2S)-2-(octadec-1-enylamino)butanedioic acid Chemical compound C(=CCCCCCCCCCCCCCCCC)N[C@@H](CC(=O)O)C(=O)O UUSZKRHFJPNZBO-FQEVSTJZSA-N 0.000 description 1
- HZRZJJCJRNJMCL-AWEZNQCLSA-N (2s)-2-(dodecylamino)butanedioic acid Chemical compound CCCCCCCCCCCCN[C@H](C(O)=O)CC(O)=O HZRZJJCJRNJMCL-AWEZNQCLSA-N 0.000 description 1
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- XUJLWPFSUCHPQL-UHFFFAOYSA-N 11-methyldodecan-1-ol Chemical compound CC(C)CCCCCCCCCCO XUJLWPFSUCHPQL-UHFFFAOYSA-N 0.000 description 1
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 1
- XACKAZKMZQZZDT-MDZDMXLPSA-N 2-[(e)-octadec-9-enyl]butanedioic acid Chemical compound CCCCCCCC\C=C\CCCCCCCCC(C(O)=O)CC(O)=O XACKAZKMZQZZDT-MDZDMXLPSA-N 0.000 description 1
- SRQLHOBQSMSYEP-KTKRTIGZSA-N 2-hydroxy-2-[2-[[(z)-octadec-9-enyl]amino]-2-oxoethyl]butanedioic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCNC(=O)CC(O)(C(O)=O)CC(O)=O SRQLHOBQSMSYEP-KTKRTIGZSA-N 0.000 description 1
- RRZLYTLRXDGNJS-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O RRZLYTLRXDGNJS-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000021323 fish oil Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 229960002969 oleic acid Drugs 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- WBHHMMIMDMUBKC-QJWNTBNXSA-N ricinoleic acid Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC(O)=O WBHHMMIMDMUBKC-QJWNTBNXSA-N 0.000 description 1
- 229960003656 ricinoleic acid Drugs 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 235000021081 unsaturated fats Nutrition 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
- C14C9/02—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes using fatty or oily materials, e.g. fat liquoring
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Lubricants (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0082021 | 1965-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1494819A1 true DE1494819A1 (de) | 1969-12-04 |
Family
ID=6981342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651494819 Pending DE1494819A1 (de) | 1965-05-20 | 1965-05-20 | Fettungsmittel fuer Leder |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3485573A (forum.php) |
| AT (1) | AT262491B (forum.php) |
| BE (1) | BE681325A (forum.php) |
| CH (1) | CH467863A (forum.php) |
| DE (1) | DE1494819A1 (forum.php) |
| ES (1) | ES326906A1 (forum.php) |
| FI (1) | FI43329C (forum.php) |
| FR (1) | FR1480573A (forum.php) |
| GB (1) | GB1138146A (forum.php) |
| NL (1) | NL6605446A (forum.php) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2123073A1 (en) * | 1970-11-13 | 1972-09-08 | Henry Jacques | Transfer printed leather - by hot pressing tanned leather against a support printed with sublimable dyes |
| US3957426A (en) * | 1973-03-08 | 1976-05-18 | Henkel & Cie G.M.B.H. | Fatty acid ester mixtures liquid at low temperatures and process |
| JPS51134950A (en) * | 1975-05-20 | 1976-11-22 | Matsushita Electric Ind Co Ltd | High-frequency heating device |
| AT358706B (de) | 1977-02-04 | 1980-09-25 | Boehme Chem Fab Kg | Verfahren zur herstellung von pelzfellen |
| US5653789A (en) * | 1994-05-23 | 1997-08-05 | Permagrain Products, Inc. | Water base conditioner for acrylic wood flooring |
| US5853427A (en) * | 1995-07-12 | 1998-12-29 | The United States Of America As Represented By The Secretary Of Agriculture | Use of polymerizable oil for leather fatliquor |
| JP2000506050A (ja) * | 1996-03-04 | 2000-05-23 | バクスター・インターナショナル・インコーポレイテッド | 生物学的組織を架橋するための非ポリマー性エポキシ化合物およびそれにより調製される生体補綴移植片 |
| US6106555A (en) | 1998-12-15 | 2000-08-22 | Av Healing Llc | Method for tissue fixation |
| CA2410036C (en) * | 2000-05-24 | 2009-06-30 | Armstrong Dlw Ag | Composition based on renewable raw materials |
| US20060090393A1 (en) * | 2004-10-29 | 2006-05-04 | Rowland Robert G | Epoxidized ester additives for reducing lead corrosion in lubricants and fuels |
| WO2017142841A1 (en) * | 2016-02-15 | 2017-08-24 | Boasso Walter | Method and apparatus for erosion control and environmental protection |
| BE1027800B1 (nl) * | 2019-11-28 | 2021-06-28 | Orineo BV | Coating van uitgehard epoxyhars |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE973930C (de) * | 1953-11-09 | 1960-07-28 | Boehme Fettchemie G M B H | Fettungsmittel zur Herstellung weisser und hellfarbiger Leder sowie von Pelzfellen |
| US2872428A (en) * | 1955-01-31 | 1959-02-03 | Shell Dev | Polyepoxide emulsions and method of treating textiles therewith |
| BE574919A (forum.php) * | 1958-01-20 | |||
| US3101238A (en) * | 1960-06-11 | 1963-08-20 | Bohme Fettchemie Gmbh | Fat liquoring with reaction product of epoxidized esters and polybasic inorganic acids |
| US3291557A (en) * | 1963-01-07 | 1966-12-13 | Battelle Development Corp | Alkyl dicarboxylic acid treatment of leather |
-
1965
- 1965-05-20 DE DE19651494819 patent/DE1494819A1/de active Pending
-
1966
- 1966-04-22 NL NL6605446A patent/NL6605446A/xx unknown
- 1966-05-06 US US548058A patent/US3485573A/en not_active Expired - Lifetime
- 1966-05-17 CH CH717466A patent/CH467863A/de unknown
- 1966-05-18 FR FR62183A patent/FR1480573A/fr not_active Expired
- 1966-05-18 AT AT471966A patent/AT262491B/de active
- 1966-05-18 ES ES0326906A patent/ES326906A1/es not_active Expired
- 1966-05-19 GB GB22220/66A patent/GB1138146A/en not_active Expired
- 1966-05-20 BE BE681325D patent/BE681325A/xx unknown
- 1966-05-20 FI FI661324A patent/FI43329C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| BE681325A (forum.php) | 1966-11-21 |
| US3485573A (en) | 1969-12-23 |
| FI43329B (forum.php) | 1970-11-30 |
| ES326906A1 (es) | 1967-07-01 |
| NL6605446A (forum.php) | 1966-11-21 |
| CH467863A (de) | 1969-01-31 |
| AT262491B (de) | 1968-06-10 |
| GB1138146A (en) | 1968-12-27 |
| FR1480573A (fr) | 1967-05-12 |
| FI43329C (fi) | 1971-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EI | Miscellaneous see part 3 |