DK148953C - Filterelement og fremgangsmaade til dets fremstilling - Google Patents
Filterelement og fremgangsmaade til dets fremstillingInfo
- Publication number
- DK148953C DK148953C DK133677A DK133677A DK148953C DK 148953 C DK148953 C DK 148953C DK 133677 A DK133677 A DK 133677A DK 133677 A DK133677 A DK 133677A DK 148953 C DK148953 C DK 148953C
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- manufacturing
- filter element
- filter
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/111—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
- B01D29/902—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/0415—Details of supporting structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/06—Details of supporting structures for filtering material, e.g. cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/05—Methods of making filter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/25—Agglomerators
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12228/76A GB1544822A (en) | 1976-03-26 | 1976-03-26 | Filter elements for gas or liquid and methods of making such elements |
GB1222876 | 1976-03-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK133677A DK133677A (da) | 1977-09-27 |
DK148953B DK148953B (da) | 1985-12-02 |
DK148953C true DK148953C (da) | 1986-05-12 |
Family
ID=10000710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK133677A DK148953C (da) | 1976-03-26 | 1977-03-25 | Filterelement og fremgangsmaade til dets fremstilling |
Country Status (18)
Country | Link |
---|---|
US (1) | US4111815A (da) |
JP (1) | JPS52138763A (da) |
AT (1) | AT368715B (da) |
AU (1) | AU506029B2 (da) |
BE (1) | BE852919A (da) |
BR (1) | BR7701875A (da) |
CA (1) | CA1077864A (da) |
CH (1) | CH617101A5 (da) |
DE (1) | DE2713033C2 (da) |
DK (1) | DK148953C (da) |
ES (1) | ES457203A1 (da) |
FR (1) | FR2345201A1 (da) |
GB (1) | GB1544822A (da) |
GR (1) | GR60806B (da) |
IT (1) | IT1086832B (da) |
NL (1) | NL174223C (da) |
SE (1) | SE430024B (da) |
ZA (1) | ZA771607B (da) |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1566264A (en) * | 1976-04-23 | 1980-04-30 | Whatman Reeve Angel Ltd | Inside-to-outside flow filter tube and method of manufacturing same |
GB1603519A (en) * | 1978-01-23 | 1981-11-25 | Process Scient Innovations | Filter elements for gas or liquid and methods of making such filters |
SE7809355L (sv) * | 1978-09-05 | 1980-03-06 | Turex Agenturer Fa | Sett och anordning for filtrering |
US4637875A (en) * | 1979-02-28 | 1987-01-20 | Semler Industries Inc. | Fluid filtering apparatus and tubular filter therefor |
FR2482868A1 (fr) * | 1980-05-22 | 1981-11-27 | Sofrance Sa | Milieu filtrant a base de fibres et procede pour le preparer |
GB2109268B (en) * | 1981-11-16 | 1984-10-03 | Process Scient Innovations | Gas purifiers |
ZA837913B (en) * | 1982-11-17 | 1984-06-27 | Marling Insulations | Sleeving |
US4500328A (en) * | 1983-02-22 | 1985-02-19 | Gilbert W. Brassell | Bonded carbon or ceramic fiber composite filter vent for radioactive waste |
DE3329117A1 (de) * | 1983-08-11 | 1985-02-28 | Züricher Beuteltuchfabrik AG, Rüschlikon | Filtertuch fuer scheibenfilter |
JPS61268317A (ja) * | 1985-05-23 | 1986-11-27 | Toyo Roki Seizo Kk | 濾過材 |
US4838903A (en) * | 1987-05-20 | 1989-06-13 | Ceco Filters, Inc. | Multi-phase thick-bed filter |
US4976858A (en) * | 1987-08-12 | 1990-12-11 | Toyo Roki Seizo Kabushiki Kaisha | Multi-layer filter medium |
GB2215634A (en) * | 1988-02-12 | 1989-09-27 | Simmons Engineering | Air filter |
GB2214837B (en) * | 1988-02-17 | 1991-09-04 | Process Scient Innovations | Oil coalescing filter |
US4941900A (en) * | 1988-07-19 | 1990-07-17 | Pall Corporation | Apparatus and method for gas-liquid separation and filtration |
US5066318A (en) * | 1990-04-13 | 1991-11-19 | Pcf Group, Inc. | Filter element gasket |
DE4118521A1 (de) * | 1991-06-06 | 1992-12-10 | Heimbach Gmbh Thomas Josef | Faserformteil sowie verfahren zu seiner herstellung |
US5728298A (en) * | 1992-10-29 | 1998-03-17 | Cuno, Incorporated | Filter element and method for the manufacture thereof |
GB9320231D0 (en) * | 1993-10-01 | 1993-11-17 | Boc Group Plc | Gas-liquid separation methods and apparatus |
CA2160282A1 (en) * | 1995-02-14 | 1996-08-15 | Michael R. Gildersleeve | Supported membrane assembly |
US5669949A (en) * | 1995-04-21 | 1997-09-23 | Donaldson Company, Inc. | Air filtration arrangement |
US5665235A (en) * | 1995-05-09 | 1997-09-09 | Pall Corporation | Supported fibrous web assembly |
WO1996036415A1 (en) * | 1995-05-18 | 1996-11-21 | Parker-Hannifin Corporation | Compound layer resin bonded filter cartridge |
US5961678A (en) * | 1995-07-07 | 1999-10-05 | Flair Corporation | Filter drainage layer attachment |
US5645956A (en) * | 1995-07-27 | 1997-07-08 | Pall Corporation | Resilient battery separator |
KR100240047B1 (ko) * | 1995-07-28 | 2000-01-15 | 오카메 히로무 | 필터소자 및 그 제조방법(filter element and fabrication method for the same) |
JP3508793B2 (ja) * | 1995-07-28 | 2004-03-22 | 株式会社デンソー | 濾過体およびその製造方法 |
US5853439A (en) * | 1997-06-27 | 1998-12-29 | Donaldson Company, Inc. | Aerosol separator and method |
CA2322180A1 (en) | 1998-02-28 | 1999-09-02 | Air-Maze Corporation | Conically shaped air-oil separator |
US6007608A (en) * | 1998-07-10 | 1999-12-28 | Donaldson Company, Inc. | Mist collector and method |
US6290739B1 (en) * | 1999-12-29 | 2001-09-18 | Donaldson Company, Inc. | Aerosol separator; and method |
WO2002096538A1 (en) * | 2001-05-29 | 2002-12-05 | Pall Corporation | Tubular membrane and method of making |
US20070071649A1 (en) * | 2001-09-10 | 2007-03-29 | Marcus R Kenneth | Capillary-channeled polymer fibers as stationary phase media for spectroscopic analysis |
WO2003022393A1 (en) * | 2001-09-10 | 2003-03-20 | Clemson University | Channeled polymer fibers as stationary/support phases for chemical separation by liquid chromatography and for waste stream clean-up |
US6786953B2 (en) * | 2002-07-26 | 2004-09-07 | Bendix Commercial Vehicle Systems Llc | Spin-on desiccant cartridge with integral oil removal filter |
DE10329401B4 (de) † | 2003-06-30 | 2016-02-11 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Lufttrockner |
EP1694424B1 (en) | 2003-11-17 | 2013-06-12 | Donaldson Company, Inc. | Separator arrangement for gas/liquid separation; apparatus; and, methods |
US7261813B2 (en) * | 2004-08-10 | 2007-08-28 | Clemson University | Monolithic structures comprising polymeric fibers for chemical separation by liquid chromatography |
US7740763B2 (en) | 2004-08-10 | 2010-06-22 | Clemson University | Capillary-channeled polymeric fiber as solid phase extraction media |
EP2311543B1 (en) | 2004-11-05 | 2015-07-01 | Donaldson Company, Inc. | Aerosol separator |
US8021457B2 (en) | 2004-11-05 | 2011-09-20 | Donaldson Company, Inc. | Filter media and structure |
US8057567B2 (en) | 2004-11-05 | 2011-11-15 | Donaldson Company, Inc. | Filter medium and breather filter structure |
WO2006078787A2 (en) * | 2005-01-19 | 2006-07-27 | Donaldson Company, Inc. | Inlet baffle arrangement with perforated vortex finder for gas/ liquid separation |
MX2007009400A (es) | 2005-02-04 | 2007-08-16 | Donaldson Co Inc | Separador de aerosol y metodo. |
EP1858618B1 (en) | 2005-02-22 | 2009-09-16 | Donaldson Company, Inc. | Aerosol separator |
DE102006005807A1 (de) * | 2006-02-08 | 2007-08-16 | BSH Bosch und Siemens Hausgeräte GmbH | Filterelement für Dunstabzugshaube |
JP2008142598A (ja) * | 2006-12-07 | 2008-06-26 | Toyo Roki Mfg Co Ltd | 濾過材及びこの濾過材を使用した濾過システム |
EP2117674A1 (en) | 2007-02-22 | 2009-11-18 | Donaldson Company, Inc. | Filter element and method |
WO2008103821A2 (en) | 2007-02-23 | 2008-08-28 | Donaldson Company, Inc. | Formed filter element |
DE102007022209A1 (de) * | 2007-05-11 | 2008-11-13 | Btg Instruments Gmbh | Probenaufnahmevorrichtung |
US20080283132A1 (en) * | 2007-05-16 | 2008-11-20 | Sauer-Danfoss Inc. | Gasket with internal screen and method of manufacturing the same |
DE102008048155A1 (de) * | 2008-09-19 | 2010-03-25 | Hydac Filtertechnik Gmbh | Filtervorrichtung und Filterelement |
US8267681B2 (en) | 2009-01-28 | 2012-09-18 | Donaldson Company, Inc. | Method and apparatus for forming a fibrous media |
EP2678088B1 (en) * | 2011-02-24 | 2020-06-03 | Saint-Gobain Performance Plastics Corporation | Modular filter capsule apparatus |
US9682335B2 (en) | 2011-02-24 | 2017-06-20 | Saint-Gobain Performance Plastics Corporation | Modular filter capsule apparatus |
RU2478404C2 (ru) * | 2011-05-16 | 2013-04-10 | Закрытое акционерное общество "Научно-производственное предприятие "ИНТЕРОКО" | Устройство для переливания трансфузионной среды |
EP2684592B1 (de) * | 2012-07-11 | 2016-11-30 | BWF Tec GmbH & Co. KG | Filterkerze |
CN117122984A (zh) * | 2014-12-16 | 2023-11-28 | 圣戈班生物高新材料(杭州)有限公司 | 模块化过滤器胶囊装置 |
CA3121591A1 (en) * | 2018-12-19 | 2020-06-25 | Covestro Llc | Process for manufacturing fully recyclable mining screens |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE227260C (da) * | 1910-06-03 | |||
US2768754A (en) * | 1948-08-12 | 1956-10-30 | Southwick W Briggs | Bonded sawdust filter medium |
US2700326A (en) * | 1949-07-29 | 1955-01-25 | Hawley Products Co | Method and apparatus for making accreted fibrous tubular bodies |
US2746607A (en) * | 1952-05-16 | 1956-05-22 | Selas Corp Of America | Porous membrane |
US2988225A (en) * | 1958-08-18 | 1961-06-13 | William M Supinger | Filter system and cartridge |
US3093583A (en) * | 1958-10-14 | 1963-06-11 | Robert Bosch G M B H Fa | Filters and processes for manufacturing the same |
NL296324A (da) * | 1962-08-06 | |||
US3270884A (en) * | 1963-06-27 | 1966-09-06 | Boeing Co | Dual valve, dual element fluid filter assembly |
US3347391A (en) * | 1964-10-29 | 1967-10-17 | Owens Corning Fiberglass Corp | Filter cartridge and method of making the same |
US3399516A (en) * | 1965-06-02 | 1968-09-03 | Wix Corp | Impregnated fiber air filter and method of making same |
GB1116361A (en) * | 1965-09-07 | 1968-06-06 | Doulton & Co Ltd | Porous fluid permeable bodies with integral reinforcements |
US3417013A (en) * | 1965-10-22 | 1968-12-17 | John H. Roberts | Water removal and device |
DE1921573A1 (de) * | 1969-04-28 | 1970-11-05 | Seitz Asbest Werke | Filterschicht mit verstaerktem Faltruecken,sowie Gewebe und Verfahren zur Herstellung derselben |
US3763633A (en) * | 1971-02-09 | 1973-10-09 | C Soltis | Electrostatic air filter |
DE2131236A1 (de) * | 1971-06-24 | 1973-01-11 | Domnick Hunter Holdings | Mikroporoeser faserfilter |
BE786742A (fr) * | 1971-07-29 | 1973-01-26 | Johns Manville | Tampon filtrant et procede de filtrage |
US3834547A (en) * | 1972-06-19 | 1974-09-10 | Albany Int Corp | Fibrous product |
DE2232785C3 (de) * | 1972-07-04 | 1985-08-08 | Bayerische Wollfilzfabriken KG, Offermann, Zeiler Schmid & Co, 8875 Offingen | Poröses Nadelvlies sowie zugehörige Herstellungsverfahren und Anwendungen |
-
1976
- 1976-03-26 GB GB12228/76A patent/GB1544822A/en not_active Expired
-
1977
- 1977-03-15 GR GR52999A patent/GR60806B/el unknown
- 1977-03-17 ZA ZA00771607A patent/ZA771607B/xx unknown
- 1977-03-18 US US05/779,417 patent/US4111815A/en not_active Expired - Lifetime
- 1977-03-21 SE SE7703179A patent/SE430024B/xx not_active IP Right Cessation
- 1977-03-21 CH CH348077A patent/CH617101A5/de not_active IP Right Cessation
- 1977-03-21 IT IT48574/77A patent/IT1086832B/it active
- 1977-03-23 AU AU23561/77A patent/AU506029B2/en not_active Expired
- 1977-03-24 NL NLAANVRAGE7703175,A patent/NL174223C/xx not_active IP Right Cessation
- 1977-03-24 DE DE2713033A patent/DE2713033C2/de not_active Expired
- 1977-03-25 FR FR7709033A patent/FR2345201A1/fr active Granted
- 1977-03-25 BR BR7701875A patent/BR7701875A/pt unknown
- 1977-03-25 ES ES457203A patent/ES457203A1/es not_active Expired
- 1977-03-25 AT AT0209677A patent/AT368715B/de not_active IP Right Cessation
- 1977-03-25 BE BE176156A patent/BE852919A/xx not_active IP Right Cessation
- 1977-03-25 JP JP3232177A patent/JPS52138763A/ja active Pending
- 1977-03-25 DK DK133677A patent/DK148953C/da not_active IP Right Cessation
- 1977-03-25 CA CA274,781A patent/CA1077864A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GR60806B (en) | 1978-08-30 |
AU506029B2 (en) | 1979-12-13 |
FR2345201A1 (fr) | 1977-10-21 |
DK148953B (da) | 1985-12-02 |
NL7703175A (nl) | 1977-09-28 |
SE430024B (sv) | 1983-10-17 |
FR2345201B1 (da) | 1982-11-26 |
BR7701875A (pt) | 1977-12-20 |
AU2356177A (en) | 1978-09-28 |
ATA209677A (de) | 1982-03-15 |
DK133677A (da) | 1977-09-27 |
US4111815A (en) | 1978-09-05 |
CA1077864A (en) | 1980-05-20 |
GB1544822A (en) | 1979-04-25 |
AT368715B (de) | 1982-11-10 |
SE7703179L (sv) | 1977-09-27 |
BE852919A (fr) | 1977-07-18 |
DE2713033A1 (de) | 1977-09-29 |
DE2713033C2 (de) | 1985-10-24 |
ZA771607B (en) | 1978-01-25 |
NL174223C (nl) | 1984-05-16 |
NL174223B (nl) | 1983-12-16 |
CH617101A5 (da) | 1980-05-14 |
JPS52138763A (en) | 1977-11-19 |
IT1086832B (it) | 1985-05-31 |
ES457203A1 (es) | 1978-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK148953C (da) | Filterelement og fremgangsmaade til dets fremstilling | |
DK508077A (da) | Hidtil ukendte spirolactoner og fremgangsmaade til fremstilling deraf | |
NO142759C (no) | Armeringselement og fremgangsmaate til dets fremstilling | |
DK556978A (da) | Acylanilid og fremgangsmaade til fremstilling deraf | |
DK26277A (da) | Ildfast byggeelement og fremgangsmade til dets fremstilling | |
DK198178A (da) | Glycoprotein og fremgangsmaade til fremstilling deraf | |
DK319277A (da) | Hydroxysuccinimidestere fremgangsmade til fremstilling heraf og anvendelse heraf | |
DK148952C (da) | Filterelement til fluida | |
NO151209C (no) | Fralandsbyggverk og fremgangsmaate til dets fremstilling | |
DK11877A (da) | Antracyklinglykosider og fremgangsmade til fremstilling deraf | |
DK295977A (da) | Filterelement | |
NO773892L (no) | Antracyklinderivater og fremgangsmaate til fremstilling derav | |
AT364736B (de) | Gasfilterelement | |
DK152375C (da) | Fritstroemmende rensemiddel og fremgangsmaade til dets fremstilling | |
DK287682A (da) | Cigaretfilter og fremgangsmaade til dets fremstilling | |
NO148269C (no) | Halvsyntetisk papir og fremgangsmaate til dets fremstilling | |
DK84077A (da) | Aminoalkylpyrrolbenzoxazalkaner og fremgangsmade til fremstilling deraf | |
NO149887C (no) | Plateformet isolasjonselement og fremgangsmaate til dets fremstilling. | |
DK370277A (da) | Didhydro-oxo-nikotinsyrer og fremgangsmaade til fremstilling deraf | |
DK276979A (da) | Stabiliseret fungicid og fremgangsmaade til dets fremstilling | |
DK441177A (da) | Filtermateriale og fremgangsmaade til fremstilling af samme | |
FI772821A (fi) | Filterelement | |
NO148543C (no) | Sirkelskiveformet filterelement og fremgangsmaate til fremstilling av dette | |
NO147057C (no) | Okklusivpessar og fremgangsmaate til dets fremstilling | |
DK297477A (da) | 5-o-acylerede imidazol-4-carboxamidderivater og fremgangsmade til fremstilling deraf |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |