DE1468209A1 - Verfahren und Vorrichtung zur Herstellung sulfatierter und sulfonierter Produkte - Google Patents
Verfahren und Vorrichtung zur Herstellung sulfatierter und sulfonierter ProdukteInfo
- Publication number
- DE1468209A1 DE1468209A1 DE19621468209 DE1468209A DE1468209A1 DE 1468209 A1 DE1468209 A1 DE 1468209A1 DE 19621468209 DE19621468209 DE 19621468209 DE 1468209 A DE1468209 A DE 1468209A DE 1468209 A1 DE1468209 A1 DE 1468209A1
- Authority
- DE
- Germany
- Prior art keywords
- reaction
- zones
- sulfur trioxide
- mixture
- zone
- 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
- 238000000034 method Methods 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title description 3
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 106
- 238000006243 chemical reaction Methods 0.000 claims description 53
- 239000000203 mixture Substances 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 29
- 229930195733 hydrocarbon Natural products 0.000 claims description 15
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 12
- 150000002430 hydrocarbons Chemical class 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 150000002191 fatty alcohols Chemical class 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000006386 neutralization reaction Methods 0.000 claims description 9
- 239000011541 reaction mixture Substances 0.000 claims description 9
- 238000007872 degassing Methods 0.000 claims description 8
- 239000004215 Carbon black (E152) Substances 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 150000001298 alcohols Chemical class 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 238000006277 sulfonation reaction Methods 0.000 claims description 6
- 230000019635 sulfation Effects 0.000 claims description 5
- 238000005670 sulfation reaction Methods 0.000 claims description 5
- -1 Alkaryl hydrocarbons Chemical class 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000003599 detergent Substances 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 230000007812 deficiency Effects 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000003085 diluting agent Substances 0.000 claims 1
- 239000000047 product Substances 0.000 description 11
- 239000007795 chemical reaction product Substances 0.000 description 10
- 239000012159 carrier gas Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 7
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 description 6
- 229940043264 dodecyl sulfate Drugs 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 4
- YRIUSKIDOIARQF-UHFFFAOYSA-N dodecyl benzenesulfonate Chemical compound CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 YRIUSKIDOIARQF-UHFFFAOYSA-N 0.000 description 4
- 230000005070 ripening Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229940071161 dodecylbenzenesulfonate Drugs 0.000 description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 3
- 239000004141 Sodium laurylsulphate Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- KWKXNDCHNDYVRT-UHFFFAOYSA-N dodecylbenzene Chemical compound CCCCCCCCCCCCC1=CC=CC=C1 KWKXNDCHNDYVRT-UHFFFAOYSA-N 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002169 ethanolamines Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001180 sulfating effect Effects 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1862—Stationary reactors having moving elements inside placed in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/02—Other accessories for centrifuges for cooling, heating, or heat insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/06—Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/08—Other accessories for centrifuges for ventilating or producing a vacuum in the centrifuge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/08—Centrifuges for separating predominantly gaseous mixtures
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B45/00—Formation or introduction of functional groups containing sulfur
- C07B45/02—Formation or introduction of functional groups containing sulfur of sulfo or sulfonyldioxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
- C07C303/04—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups
- C07C303/06—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups by reaction with sulfuric acid or sulfur trioxide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/24—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfuric acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00085—Plates; Jackets; Cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00164—Controlling or regulating processes controlling the flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/182—Details relating to the spatial orientation of the reactor horizontal
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1490661A GB969516A (en) | 1961-04-25 | 1961-04-25 | Method of and apparatus for carrying out chemical reactions in a heat-exchange reactor |
| GB283662 | 1962-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1468209A1 true DE1468209A1 (de) | 1969-07-03 |
Family
ID=26237772
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19621468209 Pending DE1468209A1 (de) | 1961-04-25 | 1962-04-19 | Verfahren und Vorrichtung zur Herstellung sulfatierter und sulfonierter Produkte |
| DE19621442767 Pending DE1442767A1 (de) | 1961-04-25 | 1962-04-19 | Verfahren und Vorrichtung zur Ausfuehrung chemischer Reaktionen |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19621442767 Pending DE1442767A1 (de) | 1961-04-25 | 1962-04-19 | Verfahren und Vorrichtung zur Ausfuehrung chemischer Reaktionen |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US3199960A (en, 2012) |
| BE (1) | BE616859A (en, 2012) |
| CH (2) | CH478102A (en, 2012) |
| DE (2) | DE1468209A1 (en, 2012) |
| DK (1) | DK107158C (en, 2012) |
| NL (1) | NL125242C (en, 2012) |
| SE (1) | SE313558B (en, 2012) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL299140A (en, 2012) * | 1962-10-12 | |||
| US3427342A (en) * | 1962-12-12 | 1969-02-11 | Chemithon Corp | Continuous sulfonation process |
| DE1468026A1 (de) * | 1964-03-12 | 1969-07-10 | Henkel & Cie Gmbh | Verfahren zur Herstellung von oberflaechenaktiven Olefinsulfonaten |
| US3415874A (en) * | 1964-09-18 | 1968-12-10 | Marco Dev Company Inc | Process of reacting sulphur trioxide |
| US3544613A (en) * | 1965-08-09 | 1970-12-01 | Stepan Chemical Co | Alcohol sulfation |
| US3807703A (en) * | 1972-10-12 | 1974-04-30 | Usm Corp | Mixer-emulsators |
| SE7407422L (sv) * | 1974-06-05 | 1975-12-08 | Modokemi Ab | Forbettrat forfarande vid kontinuerlig sulfonering och/eller sulfatering av organiska emnen |
| US4155981A (en) * | 1978-02-09 | 1979-05-22 | The United States Of America As Represented By The Secretary Of The Navy | Rectangular cell honeycomb chemical converter-heat exchanger |
| US4544493A (en) * | 1983-09-22 | 1985-10-01 | Colgate-Palmolive Company | Neutralization of organic sulfuric or sulfonic detergent acid to produce high solids concentration detergent salt |
| DE3405629A1 (de) * | 1984-02-17 | 1985-08-22 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zum begasen von fluessigkeiten |
| DE4003096A1 (de) * | 1990-02-02 | 1991-08-08 | Henkel Kgaa | Sulfierte hydroxycarbonsaeureester |
| DE19547458A1 (de) | 1995-12-19 | 1997-06-19 | Henkel Kgaa | Anionische Detergensgemische |
| FI20145759A7 (fi) * | 2014-09-02 | 2016-03-03 | Outotec Finland Oy | Autoklaavi ja lämmönsiirtoelementti |
| CN115028555B (zh) * | 2022-07-04 | 2023-09-29 | 武汉青江化工黄冈有限公司 | 一种硫酸二乙酯连续合成工艺 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA592329A (en) * | 1960-02-09 | F. W. Gebelein Charles | Sulfonation process | |
| US2235098A (en) * | 1941-03-18 | Aliphatic sulphates and method of | ||
| US2616936A (en) * | 1949-04-12 | 1952-11-04 | Universal Oil Prod Co | Method of sulfonation with sulfur trioxide |
| US2691040A (en) * | 1951-03-29 | 1954-10-05 | Universal Oil Prod Co | Sulfonation of organic compounds with sulfur trioxide |
| US2697031A (en) * | 1951-03-29 | 1954-12-14 | Universal Oil Prod Co | Sulfonation apparatus |
| US2768199A (en) * | 1953-12-08 | 1956-10-23 | Horace E Luntz | Method of sulfonating alkyl aromatic hydrocarbons |
| GB808394A (en) * | 1955-10-28 | 1959-02-04 | Continental Oil Co | Improvements in or relating to process for sulfonation of hydrocarbons |
| GB791995A (en) * | 1956-07-17 | 1958-03-19 | Shell Res Ltd | Sulphonation of organic liquids |
| US2863912A (en) * | 1956-10-10 | 1958-12-09 | Continental Oil Co | Process of sulfonating alkyl aryl hydrocarbons |
| US2923728A (en) * | 1957-11-19 | 1960-02-02 | Du Pont | Process of reacting organic compounds with sulfur trioxide |
-
0
- BE BE616859D patent/BE616859A/xx unknown
- NL NL125242D patent/NL125242C/xx active
-
1962
- 1962-04-19 DE DE19621468209 patent/DE1468209A1/de active Pending
- 1962-04-19 DE DE19621442767 patent/DE1442767A1/de active Pending
- 1962-04-24 US US189746A patent/US3199960A/en not_active Expired - Lifetime
- 1962-04-24 US US189745A patent/US3200140A/en not_active Expired - Lifetime
- 1962-04-24 DK DK185462AA patent/DK107158C/da active
- 1962-04-25 CH CH404269A patent/CH478102A/de not_active IP Right Cessation
- 1962-04-25 CH CH500562A patent/CH477415A/de not_active IP Right Cessation
- 1962-04-25 SE SE4593/62A patent/SE313558B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH478102A (de) | 1969-09-15 |
| CH477415A (de) | 1969-08-31 |
| DK107158C (da) | 1967-05-01 |
| DE1442767A1 (de) | 1968-12-12 |
| US3199960A (en) | 1965-08-10 |
| NL125242C (en, 2012) | |
| US3200140A (en) | 1965-08-10 |
| SE313558B (en, 2012) | 1969-08-18 |
| BE616859A (en, 2012) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 |