AT338831B - FILTER LAYER COMBINATION - Google Patents

FILTER LAYER COMBINATION

Info

Publication number: AT338831B
Authority: AT; Austria
Prior art keywords: filter layer; layer combination; combination; filter; layer
Prior art date: 1971-12-06

Application number

AT1023772A

Other languages

German (de)

Other versions

ATA1023772A (en

Original Assignee

Christ Ag Theodor

Priority date (The priority date 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 date listed.)

1971-12-06

Filing date

1972-12-01

Publication date

1977-09-12

1972-12-01 Application filed by Christ Ag Theodor filed Critical Christ Ag Theodor

1977-01-15 Publication of ATA1023772A publication Critical patent/ATA1023772A/en

1977-09-12 Application granted granted Critical

1977-09-12 Publication of AT338831B publication Critical patent/AT338831B/en

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/02—Loose filtering material, e.g. loose fibres
- B01D39/04—Organic material, e.g. cellulose, cotton
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/12—Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes
- B01J47/133—Precoat filters

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Treatment Of Water By Ion Exchange (AREA)
Filtration Of Liquid (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Filtering Materials (AREA)
Separation Using Semi-Permeable Membranes (AREA)

AT1023772A 1971-12-06 1972-12-01 FILTER LAYER COMBINATION AT338831B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1773071A CH574875A5 (en)	1971-12-06	1971-12-06

Publications (2)

Publication Number	Publication Date
ATA1023772A ATA1023772A (en)	1977-01-15
AT338831B true AT338831B (en)	1977-09-12

Family

ID=4427648

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT1023772A AT338831B (en)	1971-12-06	1972-12-01	FILTER LAYER COMBINATION

Country Status (8)

Country	Link
JP (1)	JPS5646886B2 (en)
AT (1)	AT338831B (en)
AU (1)	AU4969272A (en)
CA (1)	CA990421A (en)
CH (1)	CH574875A5 (en)
DE (2)	DE7244439U (en)
ES (3)	ES409370A1 (en)
GB (1)	GB1410348A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5930132B2 (en) *	1979-02-05	1984-07-25	富田製薬株式会社	"filtration" method
FR2550097B1 (en) *	1983-08-03	1988-08-05	Duolite International Sa	PACKING PROCESS FOR PRE-LAYERED FILTERS FOR PURIFYING FLUIDS
IT1241891B (en) *	1990-08-21	1994-02-01	Aqua Chem Srl	FILTERING COMPOUND FOR THE STEAM CONDENSATE OF A CONVENTIONAL OR NUCLEAR THERMOELECTRIC POWER STATION.
DE102023110522A1 (en)	2023-04-25	2023-06-29	Mann+Hummel Gmbh	Air filter media assembly with stacked pleat design

1971
- 1971-12-06 CH CH1773071A patent/CH574875A5/xx not_active IP Right Cessation
1972
- 1972-11-29 CA CA157,784A patent/CA990421A/en not_active Expired
- 1972-12-01 AT AT1023772A patent/AT338831B/en not_active IP Right Cessation
- 1972-12-04 DE DE19727244439U patent/DE7244439U/en not_active Expired
- 1972-12-04 DE DE2259367A patent/DE2259367A1/en active Pending
- 1972-12-06 AU AU49692/72A patent/AU4969272A/en not_active Expired
- 1972-12-06 GB GB5634572A patent/GB1410348A/en not_active Expired
- 1972-12-06 ES ES409370A patent/ES409370A1/en not_active Expired
- 1972-12-06 JP JP12235472A patent/JPS5646886B2/ja not_active Expired
1975
- 1975-04-30 ES ES437276A patent/ES437276A1/en not_active Expired
- 1975-04-30 ES ES437277A patent/ES437277A1/en not_active Expired

Also Published As

Publication number	Publication date
ES409370A1 (en)	1976-04-16
GB1410348A (en)	1975-10-15
ES437277A1 (en)	1977-01-16
JPS4980660A (en)	1974-08-03
CH574875A5 (en)	1976-04-30
DE2259367A1 (en)	1973-06-14
JPS5646886B2 (en)	1981-11-06
AU4969272A (en)	1974-06-06
ES437276A1 (en)	1977-01-16
DE7244439U (en)	1975-12-04
CA990421A (en)	1976-06-01
ATA1023772A (en)	1977-01-15

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FI55234C (en)	1979-06-11	FOERFARANDE FOER FAERGNING AV PAPPER

Legal Events

Date	Code	Title	Description
1983-10-15	ELJ	Ceased due to non-payment of the annual fee