DE2338256C2 - Verwendung von aus zwei Komponenten bestehenden Massen zur Herstellung von Überzügen - Google Patents
Verwendung von aus zwei Komponenten bestehenden Massen zur Herstellung von ÜberzügenInfo
- Publication number
- DE2338256C2 DE2338256C2 DE2338256A DE2338256A DE2338256C2 DE 2338256 C2 DE2338256 C2 DE 2338256C2 DE 2338256 A DE2338256 A DE 2338256A DE 2338256 A DE2338256 A DE 2338256A DE 2338256 C2 DE2338256 C2 DE 2338256C2
- Authority
- DE
- Germany
- Prior art keywords
- solution
- diamine
- prepolymer
- coatings
- added
- 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.)
- Expired
Links
- 238000000576 coating method Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000000203 mixture Substances 0.000 title description 15
- 150000004985 diamines Chemical class 0.000 claims description 25
- -1 ether diol Chemical class 0.000 claims description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 229920000570 polyether Polymers 0.000 claims description 9
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 8
- OYQYHJRSHHYEIG-UHFFFAOYSA-N ethyl carbamate;urea Chemical compound NC(N)=O.CCOC(N)=O OYQYHJRSHHYEIG-UHFFFAOYSA-N 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 229920001281 polyalkylene Polymers 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 37
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 36
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 18
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 239000002904 solvent Substances 0.000 description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 9
- 229920002635 polyurethane Polymers 0.000 description 9
- 239000004814 polyurethane Substances 0.000 description 9
- 239000004593 Epoxy Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 230000003301 hydrolyzing effect Effects 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 150000001412 amines Chemical class 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 5
- 239000004922 lacquer Substances 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- KOGSPLLRMRSADR-UHFFFAOYSA-N 4-(2-aminopropan-2-yl)-1-methylcyclohexan-1-amine Chemical compound CC(C)(N)C1CCC(C)(N)CC1 KOGSPLLRMRSADR-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 235000013877 carbamide Nutrition 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 1
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 description 1
- CWNOEVURTVLUNV-UHFFFAOYSA-N 2-(propoxymethyl)oxirane Chemical compound CCCOCC1CO1 CWNOEVURTVLUNV-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000004904 UV filter Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 150000004984 aromatic diamines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- KQWGXHWJMSMDJJ-UHFFFAOYSA-N cyclohexyl isocyanate Chemical compound O=C=NC1CCCCC1 KQWGXHWJMSMDJJ-UHFFFAOYSA-N 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 229940043279 diisopropylamine Drugs 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 229940102253 isopropanolamine Drugs 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28036972A | 1972-08-14 | 1972-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2338256A1 DE2338256A1 (de) | 1974-02-28 |
| DE2338256C2 true DE2338256C2 (de) | 1984-09-06 |
Family
ID=23072792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2338256A Expired DE2338256C2 (de) | 1972-08-14 | 1973-07-27 | Verwendung von aus zwei Komponenten bestehenden Massen zur Herstellung von Überzügen |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS49100179A (enrdf_load_stackoverflow) |
| BE (1) | BE803009A (enrdf_load_stackoverflow) |
| CA (1) | CA997495A (enrdf_load_stackoverflow) |
| DE (1) | DE2338256C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2196365B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1411485A (enrdf_load_stackoverflow) |
| IL (1) | IL42854A (enrdf_load_stackoverflow) |
| IT (1) | IT998355B (enrdf_load_stackoverflow) |
| NL (1) | NL172251C (enrdf_load_stackoverflow) |
| ZA (1) | ZA734767B (enrdf_load_stackoverflow) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344674A (en) * | 1980-08-27 | 1994-09-06 | Phillips Petroleum Company | Composition and method for corrosion inhibition utilizing an epoxy resin, an amine curing agent, an alcohol and optionally a hydrocarbon diluent |
| US5045359A (en) * | 1980-08-27 | 1991-09-03 | Phillips Petroleum Company | Composition and method for corrosion inhibition of metal surface with epoxy resin and an N-tallow-1,3-diaminopropane curing agent |
| US5079041A (en) * | 1980-08-27 | 1992-01-07 | Phillips Petroleum Company | Composition and method for corrosion inhibition utilizing an epoxy resin, an amine curing agent, an alcohol and optionally a hydrocarbon diluent |
| FR2518421A1 (fr) * | 1981-12-23 | 1983-06-24 | Hospal Sodip | Empotage de membranes plastifiees, thermosensibles |
| DE3151592A1 (de) * | 1981-12-28 | 1983-07-07 | Schering Ag, 1000 Berlin Und 4619 Bergkamen | Haertbare kunstharzmischungen und mittel fuer haertbare kunstharzmischungen auf basis von praepolymeren polyaetherurethanharnstoffaminen und epoxidharzen |
| DE4015302A1 (de) * | 1990-05-12 | 1991-11-14 | Bayer Ag | Verfahren zur herstellung von aminen, die so erhaltenen amine und ihre verwendung als haerter fuer epoxidharze |
| DE4031811A1 (de) * | 1990-10-08 | 1992-04-09 | Huels Chemische Werke Ag | Verfahren zur herstellung von polyetherurethandharnstoffaminen sowie deren verwendung |
| US5151470A (en) * | 1992-01-10 | 1992-09-29 | Miles Inc. | Aminocrotonates as curing agents for epoxy resins |
| DE19935325A1 (de) | 1999-07-28 | 2001-02-01 | Bayer Ag | Lösemittelfreie, raumtemperaturhärtende Reaktivsysteme und ihre Verwendung zur Herstellung von Klebstoffen, Dichtungsmassen, Vergußmassen, Formteilen oder Beschichtungen |
| DE19935329A1 (de) | 1999-07-28 | 2001-02-01 | Bayer Ag | Harnstoffgruppen aufweisende Polyamine, Verfahren zu ihrer Herstellung wie ihre Verwendung als Härter für Epoxidharze |
| EP3892659A1 (de) | 2020-04-08 | 2021-10-13 | Covestro Deutschland AG | Mit aus cashewnuss-schalenöl erhältlichen phenolen blockierte, niedrigviskose isocyanat-prepolymere, verfahren zur deren herstellung und deren verwendung |
| WO2025108919A1 (en) | 2023-11-21 | 2025-05-30 | Covestro Deutschland Ag | Blocked isocyanate prepolymer system, method for preparing the same, and application thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2888439A (en) * | 1957-08-16 | 1959-05-26 | Du Pont | Polyurethane diamines |
| FR1265557A (fr) * | 1959-08-12 | 1961-06-30 | Us Rubber Co | Procédé pour faire adhérer des polyuréthanes à des métaux au moyen d'adhésifs époxydes |
| BE758976A (fr) * | 1969-11-17 | 1971-05-17 | Dow Chemical Co | Composition adhesive amelioree a base de resine epoxy |
-
1973
- 1973-03-19 CA CA166,967A patent/CA997495A/en not_active Expired
- 1973-07-13 ZA ZA734767A patent/ZA734767B/xx unknown
- 1973-07-23 NL NLAANVRAGE7310223,A patent/NL172251C/xx not_active IP Right Cessation
- 1973-07-27 DE DE2338256A patent/DE2338256C2/de not_active Expired
- 1973-07-30 BE BE134056A patent/BE803009A/xx not_active IP Right Cessation
- 1973-07-30 IL IL42854A patent/IL42854A/en unknown
- 1973-07-31 FR FR7328017A patent/FR2196365B1/fr not_active Expired
- 1973-08-11 JP JP48090451A patent/JPS49100179A/ja active Pending
- 1973-08-13 IT IT27835/73A patent/IT998355B/it active
- 1973-08-13 GB GB3830173A patent/GB1411485A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA734767B (en) | 1974-06-26 |
| NL172251B (nl) | 1983-03-01 |
| CA997495A (en) | 1976-09-21 |
| FR2196365A1 (enrdf_load_stackoverflow) | 1974-03-15 |
| FR2196365B1 (enrdf_load_stackoverflow) | 1977-05-13 |
| IL42854A (en) | 1976-04-30 |
| IT998355B (it) | 1976-01-20 |
| BE803009A (fr) | 1973-11-16 |
| GB1411485A (en) | 1975-10-29 |
| NL172251C (nl) | 1983-08-01 |
| IL42854A0 (en) | 1973-10-25 |
| JPS49100179A (enrdf_load_stackoverflow) | 1974-09-21 |
| NL7310223A (enrdf_load_stackoverflow) | 1974-02-18 |
| DE2338256A1 (de) | 1974-02-28 |
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