CH289671A - Filtre à gaz. - Google Patents
Filtre à gaz.Info
- Publication number
- CH289671A CH289671A CH289671DA CH289671A CH 289671 A CH289671 A CH 289671A CH 289671D A CH289671D A CH 289671DA CH 289671 A CH289671 A CH 289671A
- Authority
- CH
- Switzerland
- Prior art keywords
- gas filter
- filter
- gas
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
-
- 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
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1007620T | 1950-01-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH289671A true CH289671A (fr) | 1953-03-31 |
Family
ID=9566693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH289671D CH289671A (fr) | 1950-01-05 | 1951-01-03 | Filtre à gaz. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE500307A (fr) |
CH (1) | CH289671A (fr) |
FR (1) | FR1007620A (fr) |
-
0
- BE BE500307D patent/BE500307A/fr unknown
-
1950
- 1950-01-05 FR FR1007620D patent/FR1007620A/fr not_active Expired
-
1951
- 1951-01-03 CH CH289671D patent/CH289671A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE500307A (fr) | |
FR1007620A (fr) | 1952-05-08 |
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