GB924784A - Improvements in or relating to method and apparatus for production of high vacua - Google Patents
Improvements in or relating to method and apparatus for production of high vacuaInfo
- Publication number
- GB924784A GB924784A GB8747/61A GB874761A GB924784A GB 924784 A GB924784 A GB 924784A GB 8747/61 A GB8747/61 A GB 8747/61A GB 874761 A GB874761 A GB 874761A GB 924784 A GB924784 A GB 924784A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ethers
- mixtures
- boiling point
- isomers
- halogen
- 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
- 150000002170 ethers Chemical class 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000009835 boiling Methods 0.000 abstract 2
- 229910052736 halogen Inorganic materials 0.000 abstract 2
- 150000002367 halogens Chemical class 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229920013636 polyphenyl ether polymer Polymers 0.000 abstract 2
- 230000005587 bubbling Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 125000004430 oxygen atom Chemical group O* 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 abstract 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
- C09K3/00—Materials not provided for elsewhere
-
- 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
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- 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
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyethers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14222A US3034700A (en) | 1960-03-11 | 1960-03-11 | Method of producing high vacuum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB924784A true GB924784A (en) | 1963-05-01 |
Family
ID=21764194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8747/61A Expired GB924784A (en) | 1960-03-11 | 1961-03-09 | Improvements in or relating to method and apparatus for production of high vacua |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3034700A (enrdf_load_stackoverflow) |
| DE (1) | DE1250049B (enrdf_load_stackoverflow) |
| GB (1) | GB924784A (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3221058A (en) * | 1965-11-30 | Aromatic polyethers | ||
| US3228910A (en) * | 1960-09-22 | 1966-01-11 | Du Pont | Process for preparing solid poly-1, 4-phenylene ethers |
| US3173873A (en) * | 1962-01-23 | 1965-03-16 | Monsanto Res Corp | Functional fluid compositions |
| US3355094A (en) * | 1963-07-02 | 1967-11-28 | Ceskoslovenska Akademie Ved | Diffusion vacuum pump |
| US3391195A (en) * | 1963-12-04 | 1968-07-02 | Monsanto Res Corp | Fluorinated polyphenyl ethers |
| US3923424A (en) * | 1974-11-11 | 1975-12-02 | Alvin E Buggele | Self-cleansing diffusion pump |
| US5059002A (en) * | 1989-12-21 | 1991-10-22 | Minnesota Mining And Manufacturing Company | Second harmonic generation with achiral, straight-chain carbamic acid derivatives |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2951629A (en) * | 1958-07-21 | 1960-09-06 | Dow Corning | Silicate diffusion pump fluids |
-
0
- DE DENDAT1250049D patent/DE1250049B/de active Pending
-
1960
- 1960-03-11 US US14222A patent/US3034700A/en not_active Expired - Lifetime
-
1961
- 1961-03-09 GB GB8747/61A patent/GB924784A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3034700A (en) | 1962-05-15 |
| DE1250049B (enrdf_load_stackoverflow) | 1967-09-14 |
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