BR8804280A - Compostos perfluorados,processo de solda e processo de transporte de gases - Google Patents
Compostos perfluorados,processo de solda e processo de transporte de gasesInfo
- Publication number
- BR8804280A BR8804280A BR8804280A BR8804280A BR8804280A BR 8804280 A BR8804280 A BR 8804280A BR 8804280 A BR8804280 A BR 8804280A BR 8804280 A BR8804280 A BR 8804280A BR 8804280 A BR8804280 A BR 8804280A
- Authority
- BR
- Brazil
- Prior art keywords
- perfluored
- compounds
- gas transport
- welding process
- welding
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- 150000001875 compounds Chemical class 0.000 title 1
- 238000003466 welding Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C23/00—Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring
- C07C23/18—Polycyclic halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C23/00—Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring
- C07C23/18—Polycyclic halogenated hydrocarbons
- C07C23/20—Polycyclic halogenated hydrocarbons with condensed rings none of which is aromatic
- C07C23/36—Halogenated completely or partially hydrogenated naphthalenes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
- B23K35/386—Selection of media, e.g. special atmospheres for surrounding the working area for condensation soldering
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C22/00—Cyclic compounds containing halogen atoms bound to an acyclic carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C23/00—Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring
- C07C23/18—Polycyclic halogenated hydrocarbons
- C07C23/20—Polycyclic halogenated hydrocarbons with condensed rings none of which is aromatic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/089,293 US4873315A (en) | 1987-08-25 | 1987-08-25 | Perfluorinated propyl derivative compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8804280A true BR8804280A (pt) | 1989-03-21 |
Family
ID=22216818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8804280A BR8804280A (pt) | 1987-08-25 | 1988-08-23 | Compostos perfluorados,processo de solda e processo de transporte de gases |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4873315A (pt) |
| EP (1) | EP0304808A1 (pt) |
| JP (1) | JPH01125335A (pt) |
| KR (1) | KR910005228B1 (pt) |
| BR (1) | BR8804280A (pt) |
| ZA (1) | ZA886319B (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68915686T2 (de) * | 1988-10-26 | 1995-01-12 | Osaka Gas Co Ltd | Flüssiges Fluorcarbon und Verfahren zur Herstellung davon. |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US30399A (en) * | 1860-10-16 | Gas-kegttlatob | ||
| US2631170A (en) * | 1943-02-13 | 1953-03-10 | Fowler Robert Dudley | Process for the preparation of fluorocarbons |
| US2574619A (en) * | 1943-03-09 | 1951-11-13 | George H Cady | Process for the preparation of fluorocarbons |
| US2459782A (en) * | 1945-09-24 | 1949-01-25 | Purdue Research Foundation | Anellated fluorocarbons |
| US2487820A (en) * | 1945-12-15 | 1949-11-15 | Purdue Research Foundation | Fluorination of fused-ring hydrocarbons with lead tetrafluoride |
| GB1281822A (en) * | 1969-01-16 | 1972-07-19 | Imp Smelting Corp Ltd | Improved fluorination process |
| DE2222699B2 (de) * | 1972-05-09 | 1977-10-20 | Siemens AG, 1000 Berlin und 8000 München | Regenerierfaehiger elektrischer kondensator |
| US3775489A (en) * | 1971-04-14 | 1973-11-27 | J Margrave | Process for fluorination of aromatic and polynuclear hydrocarbon compounds and fluorocarbons produced thereby |
| JPS5812509B2 (ja) * | 1975-09-20 | 1983-03-08 | 株式会社日立製作所 | カイホウガタフツトウレイキヤクソウチ |
| USRE30399E (en) | 1977-08-19 | 1980-09-09 | Western Electric Co., Inc. | Method for soldering, fusing or brazing |
| US4143079A (en) * | 1978-05-15 | 1979-03-06 | Suntech, Inc. | Novel process for production of perfluoro p-methane from pinene |
| US4186253A (en) * | 1978-10-10 | 1980-01-29 | The Green Cross Corporation | Perfusate for preserving organ to be transplanted and preserving method |
| US4396785A (en) * | 1980-09-01 | 1983-08-02 | Kureha Kagaku Kogyo Kabushiki Kaisha | 3,3,3-Trifluoropropyl derivatives of naphthalene or methylnaphthalene and process for preparing the same |
| GB2110204A (en) * | 1981-11-26 | 1983-06-15 | Isc Chemicals Ltd | Perfluoro(alkylcyclohexane) mixtures for use in vapour soldering |
| US4453028A (en) * | 1982-03-29 | 1984-06-05 | Lagow Richard J | Perfluorinated compounds with cyclohexyl groups |
| GB8312503D0 (en) * | 1983-05-06 | 1983-06-08 | Isc Chemicals Ltd | Vapour phase soldering |
| US4739112A (en) * | 1985-02-01 | 1988-04-19 | Minnesota Mining And Manufacturing Company | Perfluoropolycycloalkanes |
-
1987
- 1987-08-25 US US07/089,293 patent/US4873315A/en not_active Expired - Lifetime
-
1988
- 1988-08-18 EP EP88113449A patent/EP0304808A1/en not_active Withdrawn
- 1988-08-23 BR BR8804280A patent/BR8804280A/pt unknown
- 1988-08-25 KR KR1019880010823A patent/KR910005228B1/ko not_active Expired
- 1988-08-25 ZA ZA886319A patent/ZA886319B/xx unknown
- 1988-08-25 JP JP63211566A patent/JPH01125335A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR890003656A (ko) | 1989-04-17 |
| EP0304808A1 (en) | 1989-03-01 |
| ZA886319B (en) | 1990-04-25 |
| JPH01125335A (ja) | 1989-05-17 |
| US4873315A (en) | 1989-10-10 |
| KR910005228B1 (ko) | 1991-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO864815L (no) | Fremgangsmaate for fremstilling av nitrogen fra forbrenningsgasser. | |
| EP0613714A3 (en) | Catalyst and process for purifying exhaust gases. | |
| NO883606L (no) | Gassblander og fordeler for reaktor. | |
| KR900007472A (ko) | 가스처리 촉매용 담체, 그의 제조방법 및 그 담체를 함유하는 배기가스처리용 촉매 | |
| IT8567734A1 (it) | Catalizzatore, particolarmente per gas di scarico, e procedimento per la sua fabbricazione. | |
| PT83824B (pt) | Processo para a purificacao, particularmente dessulfuracao de gases de combustao | |
| BR8105412A (pt) | Processo de preparacao de gases contendo hidrogenio e azoto | |
| IT8548410A0 (it) | Procedimento ed apparecchio per purificare gas di scarico | |
| GB8405994D0 (en) | Treating exhaust gases | |
| BR8406272A (pt) | Processo e equipamento para a purificacao de gases | |
| BR8804282A (pt) | Compostos perfluorados,processo de solda e processo de transporte de gases em um sistema de fluidos | |
| FI935774L (fi) | Kaasuelektrodi, katalyytti kaasuelektrodia varten ja menetelmä niiden valmistamiseksi | |
| BR8804280A (pt) | Compostos perfluorados,processo de solda e processo de transporte de gases | |
| BR8707806A (pt) | Processo de esvaziar recipientes de gas,e dispositivo para o mesmo | |
| GB8506958D0 (en) | Purifying exhaust gas | |
| DE3883442D1 (de) | Gasanalysator. | |
| BR8103793A (pt) | Processo e aparelho de desempoeiramento dos gases e aplicacao do processo | |
| IT8522443A0 (it) | Procedimento di trattamento di gasdi scarico. | |
| FI890631L (fi) | Utloppssystem foer roekgaser. | |
| BR9406318A (pt) | Mistura de gases | |
| BR9205189A (pt) | Processo de soldagem a gases. | |
| PL308479A1 (en) | Exhaust gas purifying method | |
| FI956117L (fi) | Menetelmä asetyleenin kuljettamiseksi ja varastoimiseksi | |
| BR6701456U (pt) | Macarico de plasma para aquecimento de gases e processo de construcao | |
| DE3571670D1 (en) | Apparatus for treating smoke gases, especially exhaust gases |