DE1214252B - Waermeempfindliches Kopiermaterial - Google Patents
Waermeempfindliches KopiermaterialInfo
- Publication number
- DE1214252B DE1214252B DEN22557A DEN0022557A DE1214252B DE 1214252 B DE1214252 B DE 1214252B DE N22557 A DEN22557 A DE N22557A DE N0022557 A DEN0022557 A DE N0022557A DE 1214252 B DE1214252 B DE 1214252B
- Authority
- DE
- Germany
- Prior art keywords
- carbonyl compound
- material according
- copying
- parts
- amine
- 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
- 239000000463 material Substances 0.000 title claims description 23
- 239000013078 crystal Substances 0.000 claims description 17
- 150000001728 carbonyl compounds Chemical class 0.000 claims description 15
- 150000001412 amines Chemical class 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 8
- KYPYTERUKNKOLP-UHFFFAOYSA-N Tetrachlorobisphenol A Chemical compound C=1C(Cl)=C(O)C(Cl)=CC=1C(C)(C)C1=CC(Cl)=C(O)C(Cl)=C1 KYPYTERUKNKOLP-UHFFFAOYSA-N 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 6
- 229930185605 Bisphenol Natural products 0.000 claims description 5
- 150000001299 aldehydes Chemical class 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 150000002576 ketones Chemical class 0.000 claims description 5
- 239000002243 precursor Substances 0.000 claims description 5
- 150000003335 secondary amines Chemical class 0.000 claims description 5
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 150000003141 primary amines Chemical class 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 230000002427 irreversible effect Effects 0.000 claims description 2
- 239000000123 paper Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- 150000003934 aromatic aldehydes Chemical class 0.000 claims 2
- 239000003973 paint Substances 0.000 claims 2
- KJPRLNWUNMBNBZ-QPJJXVBHSA-N (E)-cinnamaldehyde Chemical compound O=C\C=C\C1=CC=CC=C1 KJPRLNWUNMBNBZ-QPJJXVBHSA-N 0.000 claims 1
- 150000004057 1,4-benzoquinones Chemical class 0.000 claims 1
- VMSMELHEXDVEDE-HWKANZROSA-N 2-nitrocinnamaldehyde Chemical compound [O-][N+](=O)C1=CC=CC=C1\C=C\C=O VMSMELHEXDVEDE-HWKANZROSA-N 0.000 claims 1
- FLJXIBHYDIMYRS-UHFFFAOYSA-N 3,5-dinitrosalicylaldehyde Chemical compound OC1=C(C=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O FLJXIBHYDIMYRS-UHFFFAOYSA-N 0.000 claims 1
- ONIVKFDMLVBDRK-UHFFFAOYSA-N 3-chloro-4-hydroxy-5-methoxybenzaldehyde Chemical compound COC1=CC(C=O)=CC(Cl)=C1O ONIVKFDMLVBDRK-UHFFFAOYSA-N 0.000 claims 1
- FUGKCSRLAQKUHG-UHFFFAOYSA-N 5-chloro-2-hydroxybenzaldehyde Chemical compound OC1=CC=C(Cl)C=C1C=O FUGKCSRLAQKUHG-UHFFFAOYSA-N 0.000 claims 1
- ZEHYRTJBFMZHCY-UHFFFAOYSA-N 5-nitrovanillin Chemical compound COC1=CC(C=O)=CC([N+]([O-])=O)=C1O ZEHYRTJBFMZHCY-UHFFFAOYSA-N 0.000 claims 1
- 229930192627 Naphthoquinone Chemical class 0.000 claims 1
- 229920006222 acrylic ester polymer Polymers 0.000 claims 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims 1
- 150000004056 anthraquinones Chemical class 0.000 claims 1
- 230000000181 anti-adherent effect Effects 0.000 claims 1
- 239000002216 antistatic agent Substances 0.000 claims 1
- 238000009835 boiling Methods 0.000 claims 1
- LKVJLQKCWWNRJC-UHFFFAOYSA-N buta-1,3-diene prop-2-enylbenzene Chemical compound C=CC=C.C(C1=CC=CC=C1)C=C LKVJLQKCWWNRJC-UHFFFAOYSA-N 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 229940117916 cinnamic aldehyde Drugs 0.000 claims 1
- KJPRLNWUNMBNBZ-UHFFFAOYSA-N cinnamic aldehyde Natural products O=CC=CC1=CC=CC=C1 KJPRLNWUNMBNBZ-UHFFFAOYSA-N 0.000 claims 1
- 238000004040 coloring Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 239000003085 diluting agent Substances 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 claims 1
- 235000019441 ethanol Nutrition 0.000 claims 1
- 239000011888 foil Substances 0.000 claims 1
- 150000002468 indanes Chemical class 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 150000002791 naphthoquinones Chemical class 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920002857 polybutadiene Polymers 0.000 claims 1
- 229920001470 polyketone Polymers 0.000 claims 1
- 229920002689 polyvinyl acetate Polymers 0.000 claims 1
- 239000011118 polyvinyl acetate Substances 0.000 claims 1
- 239000004627 regenerated cellulose Substances 0.000 claims 1
- 239000002966 varnish Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 7
- 239000000975 dye Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 4
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 4
- RKIFLNPEPWWKRE-UHFFFAOYSA-N 2,5-dichloronaphthalene-1,4-dione Chemical compound C1=CC=C2C(=O)C(Cl)=CC(=O)C2=C1Cl RKIFLNPEPWWKRE-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- FRASJONUBLZVQX-UHFFFAOYSA-N 1,4-naphthoquinone Chemical compound C1=CC=C2C(=O)C=CC(=O)C2=C1 FRASJONUBLZVQX-UHFFFAOYSA-N 0.000 description 2
- MIJDSYMOBYNHOT-UHFFFAOYSA-N 2-(ethylamino)ethanol Chemical compound CCNCCO MIJDSYMOBYNHOT-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- MJVAVZPDRWSRRC-UHFFFAOYSA-N Menadione Chemical compound C1=CC=C2C(=O)C(C)=CC(=O)C2=C1 MJVAVZPDRWSRRC-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 229940031098 ethanolamine Drugs 0.000 description 2
- SYECJBOWSGTPLU-UHFFFAOYSA-N hexane-1,1-diamine Chemical compound CCCCCC(N)N SYECJBOWSGTPLU-UHFFFAOYSA-N 0.000 description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UHKAJLSKXBADFT-UHFFFAOYSA-N 1,3-indandione Chemical compound C1=CC=C2C(=O)CC(=O)C2=C1 UHKAJLSKXBADFT-UHFFFAOYSA-N 0.000 description 1
- XVMVHWDCRFNPQR-UHFFFAOYSA-N 1,5-dinitroanthracene-9,10-dione Chemical compound O=C1C=2C([N+](=O)[O-])=CC=CC=2C(=O)C2=C1C=CC=C2[N+]([O-])=O XVMVHWDCRFNPQR-UHFFFAOYSA-N 0.000 description 1
- BMVXCPBXGZKUPN-UHFFFAOYSA-N 1-hexanamine Chemical compound CCCCCCN BMVXCPBXGZKUPN-UHFFFAOYSA-N 0.000 description 1
- YCANAXVBJKNANM-UHFFFAOYSA-N 1-nitroanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2[N+](=O)[O-] YCANAXVBJKNANM-UHFFFAOYSA-N 0.000 description 1
- SURCGQGDUADKBL-UHFFFAOYSA-N 2-(2-hydroxyethylamino)-5-nitrobenzo[de]isoquinoline-1,3-dione Chemical compound [O-][N+](=O)C1=CC(C(N(NCCO)C2=O)=O)=C3C2=CC=CC3=C1 SURCGQGDUADKBL-UHFFFAOYSA-N 0.000 description 1
- CYCRZLRIJWDWCM-UHFFFAOYSA-N 2-aminonaphthalene-1,4-dione Chemical compound C1=CC=C2C(=O)C(N)=CC(=O)C2=C1 CYCRZLRIJWDWCM-UHFFFAOYSA-N 0.000 description 1
- WFFZGYRTVIPBFN-UHFFFAOYSA-N 3h-indene-1,2-dione Chemical compound C1=CC=C2C(=O)C(=O)CC2=C1 WFFZGYRTVIPBFN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- LHIJANUOQQMGNT-UHFFFAOYSA-N aminoethylethanolamine Chemical compound NCCNCCO LHIJANUOQQMGNT-UHFFFAOYSA-N 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 150000008365 aromatic ketones Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- -1 heterocyclic amines Chemical class 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- AGVKXDPPPSLISR-UHFFFAOYSA-N n-ethylcyclohexanamine Chemical compound CCNC1CCCCC1 AGVKXDPPPSLISR-UHFFFAOYSA-N 0.000 description 1
- FEMOMIGRRWSMCU-UHFFFAOYSA-N ninhydrin Chemical compound C1=CC=C2C(=O)C(O)(O)C(=O)C2=C1 FEMOMIGRRWSMCU-UHFFFAOYSA-N 0.000 description 1
- 239000011088 parchment paper Substances 0.000 description 1
- GHAIYFTVRRTBNG-UHFFFAOYSA-N piperazin-1-ylmethanamine Chemical compound NCN1CCNCC1 GHAIYFTVRRTBNG-UHFFFAOYSA-N 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/913—Material designed to be responsive to temperature, light, moisture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/165—Thermal imaging composition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31826—Of natural rubber
- Y10T428/31841—Next to cellulosic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31844—Of natural gum, rosin, natural oil or lac
- Y10T428/31848—Next to cellulosic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/3188—Next to cellulosic
- Y10T428/31895—Paper or wood
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Color Printing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US164594A US3149991A (en) | 1962-01-05 | 1962-01-05 | Heat developable paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1214252B true DE1214252B (de) | 1966-04-14 |
Family
ID=22595190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEN22557A Pending DE1214252B (de) | 1962-01-05 | 1962-12-31 | Waermeempfindliches Kopiermaterial |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3149991A (en, 2012) |
| AT (1) | AT247716B (en, 2012) |
| BE (1) | BE626634A (en, 2012) |
| CH (1) | CH411950A (en, 2012) |
| DE (1) | DE1214252B (en, 2012) |
| ES (1) | ES283951A1 (en, 2012) |
| GB (1) | GB1000987A (en, 2012) |
| NL (1) | NL287455A (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3293061A (en) * | 1963-11-21 | 1966-12-20 | Man Res Lab Inc | Primary amine modified secondary or tertiary amine-polyketo reaction product in a heat developable copy sheet |
| US4097288A (en) * | 1977-02-25 | 1978-06-27 | Lawton William R | Heat sensitive recording composition containing a complexed phenolics and a spiropyran or leuco lactone |
| US4111703A (en) * | 1977-02-25 | 1978-09-05 | Graphic Controls Corporation | Heat-sensitive coating composition with 4-aromatic and hydroxy substituted piperidine derivative and cyclic polyketo compound |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2663656A (en) * | 1952-05-15 | 1953-12-22 | Minnesota Mining & Mfg | Heat-sensitive copying paper |
| US2899334A (en) * | 1958-05-19 | 1959-08-11 | Heat-sensitive layer | |
| DE1109712B (de) * | 1958-08-09 | 1961-06-29 | Kalle Ag | Kopierschichten zur Herstellung von Bildern durch Waerme |
| NL264445A (en, 2012) * | 1959-04-22 | |||
| US2995466A (en) * | 1959-08-07 | 1961-08-08 | Minnesota Mining & Mfg | Heat-sensitive copy-sheet |
| BE593980A (en, 2012) * | 1959-08-14 |
-
0
- NL NL287455D patent/NL287455A/xx unknown
- BE BE626634D patent/BE626634A/xx unknown
-
1962
- 1962-01-05 US US164594A patent/US3149991A/en not_active Expired - Lifetime
- 1962-12-28 CH CH1526562A patent/CH411950A/fr unknown
- 1962-12-31 DE DEN22557A patent/DE1214252B/de active Pending
- 1962-12-31 GB GB48988/62A patent/GB1000987A/en not_active Expired
-
1963
- 1963-01-04 AT AT8363A patent/AT247716B/de active
- 1963-01-05 ES ES283951A patent/ES283951A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1000987A (en) | 1965-08-11 |
| NL287455A (en, 2012) | 1900-01-01 |
| ES283951A1 (es) | 1963-03-16 |
| US3149991A (en) | 1964-09-22 |
| CH411950A (fr) | 1966-04-30 |
| BE626634A (en, 2012) | 1900-01-01 |
| AT247716B (de) | 1966-06-27 |
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