DE1153740B - Verfahren zur Herstellung von Fluorkohlenstoffepoxyden - Google Patents
Verfahren zur Herstellung von FluorkohlenstoffepoxydenInfo
- Publication number
- DE1153740B DE1153740B DEP25354A DEP0025354A DE1153740B DE 1153740 B DE1153740 B DE 1153740B DE P25354 A DEP25354 A DE P25354A DE P0025354 A DEP0025354 A DE P0025354A DE 1153740 B DE1153740 B DE 1153740B
- Authority
- DE
- Germany
- Prior art keywords
- reaction
- fluorocarbon
- mol
- epoxies
- mixture
- 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.)
- Granted
Links
- 239000004593 Epoxy Substances 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 13
- 229920000647 polyepoxide Polymers 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 230000008569 process Effects 0.000 title claims description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N hydrogen peroxide Substances OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 22
- -1 Peroxide hydrogen peroxide Chemical class 0.000 claims description 8
- 150000002978 peroxides Chemical class 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 150000001299 aldehydes Chemical class 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 150000002894 organic compounds Chemical class 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims 1
- 238000012552 review Methods 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000000203 mixture Substances 0.000 description 16
- 239000000243 solution Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 11
- 239000011541 reaction mixture Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- PGFXOWRDDHCDTE-UHFFFAOYSA-N hexafluoropropylene oxide Chemical compound FC(F)(F)C1(F)OC1(F)F PGFXOWRDDHCDTE-UHFFFAOYSA-N 0.000 description 7
- 238000009835 boiling Methods 0.000 description 6
- 125000003700 epoxy group Chemical group 0.000 description 5
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 5
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 238000004817 gas chromatography Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- WSJULBMCKQTTIG-OWOJBTEDSA-N (e)-1,1,1,2,3,4,4,4-octafluorobut-2-ene Chemical compound FC(F)(F)C(/F)=C(\F)C(F)(F)F WSJULBMCKQTTIG-OWOJBTEDSA-N 0.000 description 3
- DLXDAPOINQCHSK-UHFFFAOYSA-N 2,3-difluoro-2-(1,1,1,2,3,3,3-heptafluoropropan-2-yl)-3-(trifluoromethyl)oxirane Chemical compound FC(F)(F)C(F)(C(F)(F)F)C1(F)OC1(F)C(F)(F)F DLXDAPOINQCHSK-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- FAEGGADNHFKDQX-UHFFFAOYSA-N 1,1,1,3,4,4,5,5,5-nonafluoro-2-(trifluoromethyl)pent-2-ene Chemical compound FC(F)(F)C(C(F)(F)F)=C(F)C(F)(F)C(F)(F)F FAEGGADNHFKDQX-UHFFFAOYSA-N 0.000 description 2
- YBMDPYAEZDJWNY-UHFFFAOYSA-N 1,2,3,3,4,4,5,5-octafluorocyclopentene Chemical compound FC1=C(F)C(F)(F)C(F)(F)C1(F)F YBMDPYAEZDJWNY-UHFFFAOYSA-N 0.000 description 2
- PLDYTCVFPKKAJR-UHFFFAOYSA-N 2,2-difluoro-3,3-bis(trifluoromethyl)oxirane Chemical compound FC(F)(F)C1(C(F)(F)F)OC1(F)F PLDYTCVFPKKAJR-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- LSSVYTAUPWOSRM-UHFFFAOYSA-N 1,1,1,2,3,5,6,6,6-nonafluoro-2,4,5-tris(trifluoromethyl)hex-3-ene Chemical compound FC(F)(F)C(F)(C(F)(F)F)C(F)=C(C(F)(F)F)C(F)(C(F)(F)F)C(F)(F)F LSSVYTAUPWOSRM-UHFFFAOYSA-N 0.000 description 1
- WQVUNWUPDZCKNZ-UHFFFAOYSA-N 1,1,1,4,4,5,6,6,6-nonafluoro-2,3,5-tris(trifluoromethyl)hex-2-ene Chemical compound FC(F)(F)C(C(F)(F)F)=C(C(F)(F)F)C(F)(F)C(F)(C(F)(F)F)C(F)(F)F WQVUNWUPDZCKNZ-UHFFFAOYSA-N 0.000 description 1
- IMVVEWPCRIJQCA-UHFFFAOYSA-N 1,1,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-icosafluorodec-1-ene Chemical compound FC(F)=C(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F IMVVEWPCRIJQCA-UHFFFAOYSA-N 0.000 description 1
- ZFFLXJVVPHACEG-UHFFFAOYSA-N 1,2,3,3,4,4,5,5,6,6-decafluorocyclohexene Chemical compound FC1=C(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F ZFFLXJVVPHACEG-UHFFFAOYSA-N 0.000 description 1
- TXOZSRCVHASUCW-UHFFFAOYSA-N 1,3,3,3-tetrafluoropropan-1-ol Chemical compound OC(F)CC(F)(F)F TXOZSRCVHASUCW-UHFFFAOYSA-N 0.000 description 1
- HZQBGBLTBBDONN-UHFFFAOYSA-N 2,2,3-trifluoro-3-(1,1,2,2,3,3,4,4,5,5,5-undecafluoropentyl)oxirane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)OC1(F)F HZQBGBLTBBDONN-UHFFFAOYSA-N 0.000 description 1
- NOESGFSFSJKFIF-UHFFFAOYSA-N 2-fluoro-2-(1,1,2,2,2-pentafluoroethyl)-3,3-bis(trifluoromethyl)oxirane Chemical compound FC(F)(F)C(F)(F)C1(F)OC1(C(F)(F)F)C(F)(F)F NOESGFSFSJKFIF-UHFFFAOYSA-N 0.000 description 1
- ULFHADFFJVZYKF-UHFFFAOYSA-N 2-fluoro-3-(trifluoromethyl)oxirane Chemical compound FC1OC1C(F)(F)F ULFHADFFJVZYKF-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VAVDAKXAYJCHRZ-UHFFFAOYSA-N FC(C(C1(C(C(C(F)(F)F)(C(F)(F)F)F)(O1)F)C(F)(F)F)(C(F)(F)F)F)(F)F Chemical compound FC(C(C1(C(C(C(F)(F)F)(C(F)(F)F)F)(O1)F)C(F)(F)F)(C(F)(F)F)F)(F)F VAVDAKXAYJCHRZ-UHFFFAOYSA-N 0.000 description 1
- AEEIKNAPSOIRGB-UHFFFAOYSA-N FC(C1(C(C(C(C(F)(F)F)(C(F)(F)F)F)(F)F)(O1)C(F)(F)F)C(F)(F)F)(F)F Chemical compound FC(C1(C(C(C(C(F)(F)F)(C(F)(F)F)F)(F)F)(O1)C(F)(F)F)C(F)(F)F)(F)F AEEIKNAPSOIRGB-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- RBHJBMIOOPYDBQ-UHFFFAOYSA-N carbon dioxide;propan-2-one Chemical compound O=C=O.CC(C)=O RBHJBMIOOPYDBQ-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- JMKJCPUVEMZGEC-UHFFFAOYSA-N methyl 2,2,3,3,3-pentafluoropropanoate Chemical compound COC(=O)C(F)(F)C(F)(F)F JMKJCPUVEMZGEC-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- AYOOGWWGECJQPI-NSHDSACASA-N n-[(1s)-1-(5-fluoropyrimidin-2-yl)ethyl]-3-(3-propan-2-yloxy-1h-pyrazol-5-yl)imidazo[4,5-b]pyridin-5-amine Chemical compound N1C(OC(C)C)=CC(N2C3=NC(N[C@@H](C)C=4N=CC(F)=CN=4)=CC=C3N=C2)=N1 AYOOGWWGECJQPI-NSHDSACASA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002924 oxiranes Chemical group 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- LWHQXUODFPPQTL-UHFFFAOYSA-M sodium;2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoate Chemical compound [Na+].[O-]C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F LWHQXUODFPPQTL-UHFFFAOYSA-M 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical class FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/48—Compounds containing oxirane rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. ester or nitrile radicals
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
- C08G65/22—Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring
- C08G65/223—Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring containing halogens
- C08G65/226—Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring containing halogens containing fluorine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Epoxy Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82768359A | 1959-07-17 | 1959-07-17 | |
| US3510760A | 1960-06-10 | 1960-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1153740B true DE1153740B (de) | 1963-09-05 |
| DE1153740C2 DE1153740C2 (en)) | 1964-04-02 |
Family
ID=26711763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEP25354A Granted DE1153740B (de) | 1959-07-17 | 1960-07-14 | Verfahren zur Herstellung von Fluorkohlenstoffepoxyden |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1153740B (en)) |
| GB (1) | GB904877A (en)) |
| NL (1) | NL253853A (en)) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557655A1 (de) * | 1975-12-20 | 1977-06-30 | Hoechst Ag | Verfahren zur herstellung von hexafluorpropylenoxid |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3338978A (en) * | 1963-04-24 | 1967-08-29 | Du Pont | Method of producing difluorocarbene radicals and of using the same |
| US3536733A (en) * | 1967-08-10 | 1970-10-27 | Du Pont | Method for the preparation of halogenated epoxides |
| US4287128A (en) * | 1979-06-21 | 1981-09-01 | Allied Corporation | Process for preparing epoxides |
| JPS6031535A (ja) * | 1983-07-29 | 1985-02-18 | Kuraray Co Ltd | 表面の改質された合成樹脂成形物 |
| US5347058A (en) * | 1993-12-07 | 1994-09-13 | E. I. Du Pont De Nemours And Company | Process for the production of fluorinated olefins |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2833787A (en) * | 1955-03-15 | 1958-05-06 | Shell Dev | Epoxidation process using hydrogen peroxide and an acid salt of a heavy metal peracid |
-
0
- NL NL253853D patent/NL253853A/xx unknown
-
1960
- 1960-07-14 DE DEP25354A patent/DE1153740B/de active Granted
- 1960-07-15 GB GB2473460A patent/GB904877A/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2833787A (en) * | 1955-03-15 | 1958-05-06 | Shell Dev | Epoxidation process using hydrogen peroxide and an acid salt of a heavy metal peracid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557655A1 (de) * | 1975-12-20 | 1977-06-30 | Hoechst Ag | Verfahren zur herstellung von hexafluorpropylenoxid |
Also Published As
| Publication number | Publication date |
|---|---|
| NL253853A (en)) | 1964-03-25 |
| DE1153740C2 (en)) | 1964-04-02 |
| GB904877A (en) | 1962-09-05 |
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