JPS6133880B2 - - Google Patents
Info
- Publication number
- JPS6133880B2 JPS6133880B2 JP53068714A JP6871478A JPS6133880B2 JP S6133880 B2 JPS6133880 B2 JP S6133880B2 JP 53068714 A JP53068714 A JP 53068714A JP 6871478 A JP6871478 A JP 6871478A JP S6133880 B2 JPS6133880 B2 JP S6133880B2
- Authority
- JP
- Japan
- Prior art keywords
- phosphosulfurized
- oil
- bis
- thiadiazole
- weight
- 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
- 239000000314 lubricant Substances 0.000 claims description 28
- 229930195733 hydrocarbon Natural products 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 26
- -1 Phosphosulfide hydrocarbons Chemical class 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 25
- 150000002430 hydrocarbons Chemical class 0.000 description 23
- 229920000642 polymer Polymers 0.000 description 23
- 239000004215 Carbon black (E152) Substances 0.000 description 18
- 238000012360 testing method Methods 0.000 description 14
- 239000004743 Polypropylene Substances 0.000 description 13
- 235000019645 odor Nutrition 0.000 description 13
- 229920001155 polypropylene Polymers 0.000 description 13
- 239000010949 copper Substances 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 10
- 238000005260 corrosion Methods 0.000 description 10
- 229920001083 polybutene Polymers 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 238000009472 formulation Methods 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- MBIZXFATKUQOOA-UHFFFAOYSA-N 1,3,4-thiadiazole Chemical compound C1=NN=CS1 MBIZXFATKUQOOA-UHFFFAOYSA-N 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- ZFOMEJJNWNWWIB-UHFFFAOYSA-N 2,5-bis(octyldisulfanyl)-1,3,4-thiadiazole Chemical compound CCCCCCCCSSC1=NN=C(SSCCCCCCCC)S1 ZFOMEJJNWNWWIB-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 150000004867 thiadiazoles Chemical class 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- VKCLPVFDVVKEKU-UHFFFAOYSA-N S=[P] Chemical compound S=[P] VKCLPVFDVVKEKU-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000002199 base oil Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- BIGYLAKFCGVRAN-UHFFFAOYSA-N 1,3,4-thiadiazolidine-2,5-dithione Chemical class S=C1NNC(=S)S1 BIGYLAKFCGVRAN-UHFFFAOYSA-N 0.000 description 1
- AWFYPPSBLUWMFQ-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(1,4,6,7-tetrahydropyrazolo[4,3-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=C2 AWFYPPSBLUWMFQ-UHFFFAOYSA-N 0.000 description 1
- MUXJPKPUZDVXNF-UHFFFAOYSA-N 4,5-bis(octyldisulfanyl)thiadiazole Chemical compound CCCCCCCCSSC=1N=NSC=1SSCCCCCCCC MUXJPKPUZDVXNF-UHFFFAOYSA-N 0.000 description 1
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical class O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- WIKSRXFQIZQFEH-UHFFFAOYSA-N [Cu].[Pb] Chemical compound [Cu].[Pb] WIKSRXFQIZQFEH-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 235000019256 formaldehyde Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000005673 monoalkenes Chemical class 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- CYQAYERJWZKYML-UHFFFAOYSA-N phosphorus pentasulfide Chemical compound S1P(S2)(=S)SP3(=S)SP1(=S)SP2(=S)S3 CYQAYERJWZKYML-UHFFFAOYSA-N 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M1/00—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants
- C10M1/08—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants with additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/062—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups bound to the aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/26—Amines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/102—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon only in the ring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/12—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of organic compounds, e.g. with PxSy, PxSyHal or PxOy
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2225/00—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2225/04—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the monomers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2225/00—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2225/04—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the monomers
- C10M2225/041—Hydrocarbon polymers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
- C10N2040/26—Two-strokes or two-cycle engines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2070/00—Specific manufacturing methods for lubricant compositions
- C10N2070/02—Concentrating of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00297379A US3826798A (en) | 1972-10-13 | 1972-10-13 | Phosphosulfurized hydrocarbon polymer stabilized with 2,5-bis(alkyldithio)-1,3,4-thiadiazole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5433505A JPS5433505A (en) | 1979-03-12 |
| JPS6133880B2 true JPS6133880B2 (ro) | 1986-08-05 |
Family
ID=23146071
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11465173A Expired JPS5419883B2 (ro) | 1972-10-13 | 1973-10-12 | |
| JP6871478A Granted JPS5433505A (en) | 1972-10-13 | 1978-06-07 | Lubricant compositions |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11465173A Expired JPS5419883B2 (ro) | 1972-10-13 | 1973-10-12 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3826798A (ro) |
| JP (2) | JPS5419883B2 (ro) |
| AU (1) | AU473525B2 (ro) |
| BE (1) | BE805746A (ro) |
| CA (1) | CA996101A (ro) |
| DE (1) | DE2350622C2 (ro) |
| FR (1) | FR2202905B1 (ro) |
| GB (1) | GB1447097A (ro) |
| IT (1) | IT997654B (ro) |
| LU (1) | LU68616A1 (ro) |
| NL (1) | NL175309C (ro) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4572790A (en) * | 1984-05-02 | 1986-02-25 | Texaco Inc. | Lubrication additive for aqueous drilling fluids |
| US6133207A (en) * | 1999-12-22 | 2000-10-17 | Ethyl Corporation | Odor reduction of lubricant additives packages |
| WO2023193956A1 (fr) | 2022-04-05 | 2023-10-12 | Roquette Freres | Dextrines hyperbranchees hydrogenees pour preserver l'eubiose des microbiotes cutanes et des muqueuses |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2316079A (en) * | 1941-03-24 | 1943-04-06 | Standard Oil Co | Lubricant |
| US2719126A (en) * | 1952-12-30 | 1955-09-27 | Standard Oil Co | Corrosion inhibitors and compositions containing same |
| US2719125A (en) * | 1952-12-30 | 1955-09-27 | Standard Oil Co | Oleaginous compositions non-corrosive to silver |
| US3087932A (en) * | 1959-07-09 | 1963-04-30 | Standard Oil Co | Process for preparing 2, 5-bis(hydrocarbondithio)-1, 3, 4-thiadiazole |
-
1972
- 1972-10-13 US US00297379A patent/US3826798A/en not_active Expired - Lifetime
-
1973
- 1973-10-04 AU AU61011/73A patent/AU473525B2/en not_active Expired
- 1973-10-05 BE BE136414A patent/BE805746A/xx not_active IP Right Cessation
- 1973-10-09 DE DE2350622A patent/DE2350622C2/de not_active Expired
- 1973-10-09 NL NLAANVRAGE7313853,A patent/NL175309C/xx not_active IP Right Cessation
- 1973-10-12 CA CA183,273A patent/CA996101A/en not_active Expired
- 1973-10-12 JP JP11465173A patent/JPS5419883B2/ja not_active Expired
- 1973-10-12 IT IT53108/73A patent/IT997654B/it active
- 1973-10-12 GB GB4781973A patent/GB1447097A/en not_active Expired
- 1973-10-12 FR FR7336617A patent/FR2202905B1/fr not_active Expired
- 1973-10-15 LU LU68616A patent/LU68616A1/xx unknown
-
1978
- 1978-06-07 JP JP6871478A patent/JPS5433505A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US3826798A (en) | 1974-07-30 |
| AU473525B2 (en) | 1976-06-24 |
| NL175309C (nl) | 1984-10-16 |
| IT997654B (it) | 1975-12-30 |
| GB1447097A (en) | 1976-08-25 |
| JPS5018501A (ro) | 1975-02-27 |
| JPS5433505A (en) | 1979-03-12 |
| DE2350622C2 (de) | 1985-10-10 |
| DE2350622A1 (de) | 1974-04-25 |
| FR2202905A1 (ro) | 1974-05-10 |
| NL7313853A (ro) | 1974-04-16 |
| CA996101A (en) | 1976-08-31 |
| JPS5419883B2 (ro) | 1979-07-18 |
| AU6101173A (en) | 1975-04-10 |
| BE805746A (fr) | 1974-04-05 |
| FR2202905B1 (ro) | 1977-05-27 |
| NL175309B (nl) | 1984-05-16 |
| LU68616A1 (ro) | 1974-05-09 |
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