DE2509791A1 - Copolyamide und deren verwendung als schmelzkleber - Google Patents
Copolyamide und deren verwendung als schmelzkleberInfo
- Publication number
- DE2509791A1 DE2509791A1 DE19752509791 DE2509791A DE2509791A1 DE 2509791 A1 DE2509791 A1 DE 2509791A1 DE 19752509791 DE19752509791 DE 19752509791 DE 2509791 A DE2509791 A DE 2509791A DE 2509791 A1 DE2509791 A1 DE 2509791A1
- Authority
- DE
- Germany
- Prior art keywords
- carbon atoms
- copolyamides
- weight
- acid
- diamines
- 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.)
- Withdrawn
Links
- 239000003292 glue Substances 0.000 title description 2
- 239000012943 hotmelt Substances 0.000 title 1
- 125000004432 carbon atom Chemical group C* 0.000 claims description 14
- -1 cyclic lactam Chemical class 0.000 claims description 13
- 150000004985 diamines Chemical class 0.000 claims description 7
- 239000004831 Hot glue Substances 0.000 claims description 4
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- MMEDJBFVJUFIDD-UHFFFAOYSA-N 2-[2-(carboxymethyl)phenyl]acetic acid Chemical compound OC(=O)CC1=CC=CC=C1CC(O)=O MMEDJBFVJUFIDD-UHFFFAOYSA-N 0.000 claims description 2
- PXJBCMWIAPDWAU-UHFFFAOYSA-N 2-piperidin-4-ylethanamine Chemical compound NCCC1CCNCC1 PXJBCMWIAPDWAU-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 2
- 150000004885 piperazines Chemical class 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- BVEGEKOBSPXUJS-UHFFFAOYSA-N piperazine adipate Chemical compound C1CNCCN1.OC(=O)CCCCC(O)=O BVEGEKOBSPXUJS-UHFFFAOYSA-N 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical compound NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- TXCZVPLUDHENOI-UHFFFAOYSA-N dodecanedioic acid;piperazine Chemical compound C1CNCCN1.OC(=O)CCCCCCCCCCC(O)=O TXCZVPLUDHENOI-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 150000003951 lactams Chemical class 0.000 description 2
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- MRERMGPPCLQIPD-NBVRZTHBSA-N (3beta,5alpha,9alpha,22E,24R)-3,5,9-Trihydroxy-23-methylergosta-7,22-dien-6-one Chemical compound C1C(O)CCC2(C)C(CCC3(C(C(C)/C=C(\C)C(C)C(C)C)CCC33)C)(O)C3=CC(=O)C21O MRERMGPPCLQIPD-NBVRZTHBSA-N 0.000 description 1
- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 description 1
- IGSBHTZEJMPDSZ-UHFFFAOYSA-N 4-[(4-amino-3-methylcyclohexyl)methyl]-2-methylcyclohexan-1-amine Chemical compound C1CC(N)C(C)CC1CC1CC(C)C(N)CC1 IGSBHTZEJMPDSZ-UHFFFAOYSA-N 0.000 description 1
- BDBZTOMUANOKRT-UHFFFAOYSA-N 4-[2-(4-aminocyclohexyl)propan-2-yl]cyclohexan-1-amine Chemical compound C1CC(N)CCC1C(C)(C)C1CCC(N)CC1 BDBZTOMUANOKRT-UHFFFAOYSA-N 0.000 description 1
- RQGBFVLTFYRYKB-UHFFFAOYSA-N 4-propylpiperidine Chemical compound CCCC1CCNCC1 RQGBFVLTFYRYKB-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical class CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 1
- OXIKYYJDTWKERT-UHFFFAOYSA-N [4-(aminomethyl)cyclohexyl]methanamine Chemical compound NCC1CCC(CN)CC1 OXIKYYJDTWKERT-UHFFFAOYSA-N 0.000 description 1
- ISKQADXMHQSTHK-UHFFFAOYSA-N [4-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=C(CN)C=C1 ISKQADXMHQSTHK-UHFFFAOYSA-N 0.000 description 1
- HOQIYICTIBDBQU-UHFFFAOYSA-N [4-[2-[4-(aminomethyl)cyclohexyl]propan-2-yl]cyclohexyl]methanamine Chemical compound NCC1CCC(CC1)C(C)(C)C1CCC(CC1)CN HOQIYICTIBDBQU-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229960002684 aminocaproic acid Drugs 0.000 description 1
- IMUDHTPIFIBORV-UHFFFAOYSA-N aminoethylpiperazine Chemical class NCCN1CCNCC1 IMUDHTPIFIBORV-UHFFFAOYSA-N 0.000 description 1
- YDLSUFFXJYEVHW-UHFFFAOYSA-N azonan-2-one Chemical compound O=C1CCCCCCCN1 YDLSUFFXJYEVHW-UHFFFAOYSA-N 0.000 description 1
- MRNZSTMRDWRNNR-UHFFFAOYSA-N bis(hexamethylene)triamine Chemical compound NCCCCCCNCCCCCCN MRNZSTMRDWRNNR-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- YQLZOAVZWJBZSY-UHFFFAOYSA-N decane-1,10-diamine Chemical compound NCCCCCCCCCCN YQLZOAVZWJBZSY-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- QFTYSVGGYOXFRQ-UHFFFAOYSA-N dodecane-1,12-diamine Chemical compound NCCCCCCCCCCCCN QFTYSVGGYOXFRQ-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- LQERIDTXQFOHKA-UHFFFAOYSA-N n-nonadecane Natural products CCCCCCCCCCCCCCCCCCC LQERIDTXQFOHKA-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 150000003053 piperidines Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- KLNPWTHGTVSSEU-UHFFFAOYSA-N undecane-1,11-diamine Chemical compound NCCCCCCCCCCCN KLNPWTHGTVSSEU-UHFFFAOYSA-N 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/36—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines and polycarboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752509791 DE2509791A1 (de) | 1975-03-06 | 1975-03-06 | Copolyamide und deren verwendung als schmelzkleber |
| CA245,730A CA1076742A (en) | 1975-03-06 | 1976-02-13 | Copolyamides |
| US05/658,527 US4102871A (en) | 1975-03-06 | 1976-02-17 | Copolyamides from lactam and diamine salts of two different dicarboxylic acids |
| SE7602158A SE7602158L (sv) | 1975-03-06 | 1976-02-23 | Sampolyamid |
| BE164778A BE839098A (fr) | 1975-03-06 | 1976-03-02 | Nouveaux copolyamides et leur emploi comme colles fusibles |
| CH267176A CH621136A5 (enExample) | 1975-03-06 | 1976-03-03 | |
| FR7606133A FR2303039A1 (fr) | 1975-03-06 | 1976-03-04 | Copolyamides et leur utilisation en tant que colle fusible |
| GB8864/76A GB1539600A (en) | 1975-03-06 | 1976-03-05 | Copolyamides useful as adhesives |
| JP51023754A JPS51111897A (en) | 1975-03-06 | 1976-03-06 | Novel copolymerized polyamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752509791 DE2509791A1 (de) | 1975-03-06 | 1975-03-06 | Copolyamide und deren verwendung als schmelzkleber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2509791A1 true DE2509791A1 (de) | 1976-09-16 |
Family
ID=5940641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752509791 Withdrawn DE2509791A1 (de) | 1975-03-06 | 1975-03-06 | Copolyamide und deren verwendung als schmelzkleber |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4102871A (enExample) |
| JP (1) | JPS51111897A (enExample) |
| BE (1) | BE839098A (enExample) |
| CA (1) | CA1076742A (enExample) |
| CH (1) | CH621136A5 (enExample) |
| DE (1) | DE2509791A1 (enExample) |
| FR (1) | FR2303039A1 (enExample) |
| GB (1) | GB1539600A (enExample) |
| SE (1) | SE7602158L (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3730504C1 (en) * | 1987-09-11 | 1989-03-16 | Atochem Werke Gmbh | Copolyamides containing caprolactam and laurolactam, process for the preparation thereof and use thereof for heat-sealing textiles |
| DE19512004A1 (de) * | 1995-03-31 | 1996-10-02 | Atochem Elf Deutschland | Copolyamid, Verfahren zur Herstellung einer Polyamidfolie und Verwendung der Folie als Heißschmelzklebefolie |
| DE10022701B4 (de) * | 2000-05-10 | 2006-03-23 | Ems-Chemie Ag | Niedrigschmelzende Copolyamide sowie deren Verwendung als Schmelzklebemittel |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2924323C2 (de) * | 1979-06-15 | 1988-10-20 | Chemische Werke Hüls AG, 4370 Marl | Kraftstoffbeständige Schmelzkleber |
| US4423204A (en) * | 1982-09-02 | 1983-12-27 | The Upjohn Company | Amorphous copolyamide from lactam, dicarboxylic acid and bisimidazoline |
| DE3531941A1 (de) * | 1985-09-07 | 1987-03-12 | Henkel Kgaa | Polyamidharze |
| CH674518A5 (enExample) * | 1987-09-09 | 1990-06-15 | Inventa Ag | |
| CH682617B5 (de) * | 1989-02-20 | 1994-04-29 | Atochem Werke Gmbh | Copolyamide auf Basis von Caprolactam und Laurinlactam, Verfahren zu deren Herstellung und Verwendung derselben zum Heisssiegeln von Textilien. |
| DE4111670A1 (de) * | 1991-04-10 | 1992-10-15 | Schering Ag | Polyamidharze und deren verwendung fuer den reliefdruck |
| EP0536681A1 (de) * | 1991-10-11 | 1993-04-14 | Ems-Inventa Ag | Sperrschicht aus Copolyamid, ihre Verwendung sowie diese Sperrschicht enthaltende Mehrweg-Mehrschicht-Verpackungskörper |
| CH684747A5 (de) * | 1991-10-31 | 1994-12-15 | Inventa Ag | Mehrschicht-Verbund. |
| DE19537614C3 (de) * | 1995-10-09 | 2003-10-02 | Inventa Ag | Polycaprolactam mit neuartiger Kettenregelung |
| US20100032629A1 (en) * | 2008-08-07 | 2010-02-11 | Benoit Brule | Adhesive composition containing carbon nanotubes and a copolyamide |
| US20160340472A1 (en) | 2014-01-28 | 2016-11-24 | Radicifil S.P.A. | Three-component copolymers having high transparency and low gas permeability and process for the production thereof |
| FR3026108B1 (fr) * | 2014-09-23 | 2018-07-13 | Arkema France | Composition pour adhesif thermoplastique, adhesif thermoplastique, leurs procedes de fabrication et leurs utilisations |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1348473A (enExample) * | 1962-11-19 | 1964-04-15 | ||
| NL285773A (enExample) * | 1962-11-19 | |||
| JPS5216125B2 (enExample) * | 1972-09-13 | 1977-05-07 |
-
1975
- 1975-03-06 DE DE19752509791 patent/DE2509791A1/de not_active Withdrawn
-
1976
- 1976-02-13 CA CA245,730A patent/CA1076742A/en not_active Expired
- 1976-02-17 US US05/658,527 patent/US4102871A/en not_active Expired - Lifetime
- 1976-02-23 SE SE7602158A patent/SE7602158L/xx unknown
- 1976-03-02 BE BE164778A patent/BE839098A/xx unknown
- 1976-03-03 CH CH267176A patent/CH621136A5/de not_active IP Right Cessation
- 1976-03-04 FR FR7606133A patent/FR2303039A1/fr active Granted
- 1976-03-05 GB GB8864/76A patent/GB1539600A/en not_active Expired
- 1976-03-06 JP JP51023754A patent/JPS51111897A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3730504C1 (en) * | 1987-09-11 | 1989-03-16 | Atochem Werke Gmbh | Copolyamides containing caprolactam and laurolactam, process for the preparation thereof and use thereof for heat-sealing textiles |
| DE19512004A1 (de) * | 1995-03-31 | 1996-10-02 | Atochem Elf Deutschland | Copolyamid, Verfahren zur Herstellung einer Polyamidfolie und Verwendung der Folie als Heißschmelzklebefolie |
| DE10022701B4 (de) * | 2000-05-10 | 2006-03-23 | Ems-Chemie Ag | Niedrigschmelzende Copolyamide sowie deren Verwendung als Schmelzklebemittel |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2303039B1 (enExample) | 1979-03-09 |
| JPS51111897A (en) | 1976-10-02 |
| SE7602158L (sv) | 1976-09-07 |
| US4102871A (en) | 1978-07-25 |
| CA1076742A (en) | 1980-04-29 |
| GB1539600A (en) | 1979-01-31 |
| FR2303039A1 (fr) | 1976-10-01 |
| CH621136A5 (enExample) | 1981-01-15 |
| BE839098A (fr) | 1976-09-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8130 | Withdrawal |