NL8301828A - Tegen corrosie geinhibeerde zeer dichte fluide samenstellingen. - Google Patents
Tegen corrosie geinhibeerde zeer dichte fluide samenstellingen. Download PDFInfo
- Publication number
- NL8301828A NL8301828A NL8301828A NL8301828A NL8301828A NL 8301828 A NL8301828 A NL 8301828A NL 8301828 A NL8301828 A NL 8301828A NL 8301828 A NL8301828 A NL 8301828A NL 8301828 A NL8301828 A NL 8301828A
- Authority
- NL
- Netherlands
- Prior art keywords
- ppg
- solution
- corrosion
- calcium
- bromide
- Prior art date
Links
- 238000005260 corrosion Methods 0.000 title claims description 101
- 230000007797 corrosion Effects 0.000 title claims description 101
- 239000012530 fluid Substances 0.000 title claims description 73
- 239000000203 mixture Substances 0.000 title claims description 43
- VNDYJBBGRKZCSX-UHFFFAOYSA-L zinc bromide Chemical compound Br[Zn]Br VNDYJBBGRKZCSX-UHFFFAOYSA-L 0.000 claims description 87
- 229910001622 calcium bromide Inorganic materials 0.000 claims description 62
- WGEFECGEFUFIQW-UHFFFAOYSA-L calcium dibromide Chemical compound [Ca+2].[Br-].[Br-] WGEFECGEFUFIQW-UHFFFAOYSA-L 0.000 claims description 62
- 229940102001 zinc bromide Drugs 0.000 claims description 42
- ZZTCCAPMZLDHFM-UHFFFAOYSA-N ammonium thioglycolate Chemical compound [NH4+].[O-]C(=O)CS ZZTCCAPMZLDHFM-UHFFFAOYSA-N 0.000 claims description 25
- 229940075861 ammonium thioglycolate Drugs 0.000 claims description 24
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- CNYFJCCVJNARLE-UHFFFAOYSA-L calcium;2-sulfanylacetic acid;2-sulfidoacetate Chemical compound [Ca+2].[O-]C(=O)CS.[O-]C(=O)CS CNYFJCCVJNARLE-UHFFFAOYSA-L 0.000 claims description 15
- 239000001110 calcium chloride Substances 0.000 claims description 13
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229910001868 water Inorganic materials 0.000 claims description 12
- PJUIMOJAAPLTRJ-UHFFFAOYSA-N monothioglycerol Chemical compound OCC(O)CS PJUIMOJAAPLTRJ-UHFFFAOYSA-N 0.000 claims description 11
- 229940035024 thioglycerol Drugs 0.000 claims description 11
- 230000002401 inhibitory effect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 230000007774 longterm Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 64
- 239000003112 inhibitor Substances 0.000 description 39
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 13
- 238000005553 drilling Methods 0.000 description 13
- 239000011521 glass Substances 0.000 description 12
- 230000005764 inhibitory process Effects 0.000 description 11
- 238000012856 packing Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 3
- 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 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- -1 aliphatic aldehyde Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 150000001495 arsenic compounds Chemical class 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229940093920 gynecological arsenic compound Drugs 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 150000003464 sulfur compounds Chemical class 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- ADAHDVPFZQCLCS-UHFFFAOYSA-N 5-(disulfanyl)-3,4-dihydro-2h-pyrrole Chemical compound SSC1=NCCC1 ADAHDVPFZQCLCS-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- AEMRFAOFKBGASW-UHFFFAOYSA-M Glycolate Chemical compound OCC([O-])=O AEMRFAOFKBGASW-UHFFFAOYSA-M 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- HTKFORQRBXIQHD-UHFFFAOYSA-N allylthiourea Chemical compound NC(=S)NCC=C HTKFORQRBXIQHD-UHFFFAOYSA-N 0.000 description 1
- 229960001748 allylthiourea Drugs 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000003862 amino acid derivatives Chemical class 0.000 description 1
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 1
- 229940046307 sodium thioglycolate Drugs 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229940071127 thioglycolate Drugs 0.000 description 1
- CWERGRDVMFNCDR-UHFFFAOYSA-M thioglycolate(1-) Chemical compound [O-]C(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-M 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/54—Compositions for in situ inhibition of corrosion in boreholes or wells
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/06—Clay-free compositions
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/16—Sulfur-containing compounds
- C23F11/161—Mercaptans
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38628182A | 1982-06-08 | 1982-06-08 | |
| US38628182 | 1982-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8301828A true NL8301828A (nl) | 1984-01-02 |
Family
ID=23524939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8301828A NL8301828A (nl) | 1982-06-08 | 1983-05-24 | Tegen corrosie geinhibeerde zeer dichte fluide samenstellingen. |
Country Status (7)
| Country | Link |
|---|---|
| CA (1) | CA1197673A (enrdf_load_stackoverflow) |
| DE (1) | DE3316677A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2528061B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2121397B (enrdf_load_stackoverflow) |
| IL (1) | IL68362A0 (enrdf_load_stackoverflow) |
| NL (1) | NL8301828A (enrdf_load_stackoverflow) |
| NO (1) | NO831363L (enrdf_load_stackoverflow) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT382893B (de) * | 1983-06-30 | 1987-04-27 | Nl Industries Inc | Verfahren und mittel zur verminderung der korrosiven wirkung waesseriger salzloesungen |
| US4536302A (en) * | 1983-06-30 | 1985-08-20 | Nl Industries Inc | Corrosion inhibition of aqueous brines |
| HU206522B (en) * | 1985-02-04 | 1992-11-30 | Dow Chemical Co | Korrosion-inhibiting composition and well-drilling and filling liquide composition |
| WO1988001010A1 (en) * | 1986-07-30 | 1988-02-11 | Great Lakes Chemical Corporation | Calcium-free clear high density fluids |
| US4941982A (en) * | 1986-07-30 | 1990-07-17 | Great Lakes Chemical Corporation | Calcium-free clear high density fluids |
| US4784778A (en) * | 1986-09-30 | 1988-11-15 | Great Lakes Chemical Corp. | Corrosion inhibiting composition for zinc halide-based clear, high density fluids |
| US4784779A (en) * | 1986-09-30 | 1988-11-15 | Great Lakes Chemical Corp. | Corrosion inhibitors for clear, calcium-free high density fluids |
| US5622919A (en) * | 1992-02-24 | 1997-04-22 | Halliburton Company | Composition and method for controlling precipitation when acidizing wells |
| US6225261B1 (en) | 1992-02-24 | 2001-05-01 | Halliburton Energy Services, Inc. | Composition and method for controlling precipitation when acidizing wells |
| FR2774398B1 (fr) * | 1998-02-02 | 2000-03-24 | Ceca Sa | Inhibiteurs de la corrosion carbonique du fer ecocompatibles |
| US6365067B1 (en) * | 1999-08-12 | 2002-04-02 | Baker Hughes Incorporated | Mercaptoalcohol corrosion inhibitors |
| US6534448B1 (en) | 2000-11-02 | 2003-03-18 | Halliburton Energy Services, Inc. | Composition and method for acidizing wells and equipment without damaging precipitation |
| US6415865B1 (en) | 2001-03-08 | 2002-07-09 | Halliburton Energy Serv Inc | Electron transfer agents in well acidizing compositions and methods |
| US6653260B2 (en) | 2001-12-07 | 2003-11-25 | Halliburton Energy Services, Inc. | Electron transfer system for well acidizing compositions and methods |
| CA2990399C (en) | 2015-06-30 | 2020-04-07 | Exxonmobil Chemical Patents Inc. | Lubricant compositions comprising diol functional groups and methods of making and using same |
| JP7696841B2 (ja) | 2019-06-11 | 2025-06-23 | エコラボ ユーエスエー インコーポレイティド | 地熱再注入井用の腐食抑制剤配合 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5192735A (ja) * | 1975-02-12 | 1976-08-14 | Kinzokusenjoyososeibutsu | |
| JPS54120007A (en) * | 1978-03-10 | 1979-09-18 | Nippon Shinbun Inki Kk | Aqueous ink |
| CA1113235A (en) * | 1978-08-11 | 1981-12-01 | Mitchael D. Coffey | Corrosion inhibitor for aqueous brines |
| US4292183A (en) * | 1978-12-13 | 1981-09-29 | Great Lakes Chemical Corporation | High-density fluid compositions |
-
1983
- 1983-04-12 IL IL68362A patent/IL68362A0/xx not_active IP Right Cessation
- 1983-04-13 CA CA000425800A patent/CA1197673A/en not_active Expired
- 1983-04-18 NO NO831363A patent/NO831363L/no unknown
- 1983-04-19 GB GB08310518A patent/GB2121397B/en not_active Expired
- 1983-05-06 DE DE19833316677 patent/DE3316677A1/de active Granted
- 1983-05-24 NL NL8301828A patent/NL8301828A/nl active Search and Examination
- 1983-05-25 FR FR8308633A patent/FR2528061B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2528061A1 (fr) | 1983-12-09 |
| GB2121397B (en) | 1986-01-29 |
| CA1197673A (en) | 1985-12-10 |
| GB8310518D0 (en) | 1983-05-25 |
| IL68362A0 (en) | 1983-07-31 |
| DE3316677C2 (enrdf_load_stackoverflow) | 1993-03-11 |
| DE3316677A1 (de) | 1983-12-08 |
| FR2528061B1 (fr) | 1987-03-06 |
| GB2121397A (en) | 1983-12-21 |
| NO831363L (no) | 1983-12-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BN | A decision not to publish the application has become irrevocable |