IT1004832B - FILTERING MATERIAL IN THE FORM OF FEL TRO FOR WATER AND OTHER LIQUIDS AND PROCEDURE FOR ITS MANUFACTURING - Google Patents

FILTERING MATERIAL IN THE FORM OF FEL TRO FOR WATER AND OTHER LIQUIDS AND PROCEDURE FOR ITS MANUFACTURING

Info

Publication number
IT1004832B
IT1004832B IT67265/74A IT6726574A IT1004832B IT 1004832 B IT1004832 B IT 1004832B IT 67265/74 A IT67265/74 A IT 67265/74A IT 6726574 A IT6726574 A IT 6726574A IT 1004832 B IT1004832 B IT 1004832B
Authority
IT
Italy
Prior art keywords
fel
tro
liquids
procedure
manufacturing
Prior art date
Application number
IT67265/74A
Other languages
Italian (it)
Original Assignee
Ghh Basel Ag
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.)
Filing date
Publication date
Application filed by Ghh Basel Ag filed Critical Ghh Basel Ag
Application granted granted Critical
Publication of IT1004832B publication Critical patent/IT1004832B/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/08—Filter paper
IT67265/74A 1973-02-01 1974-01-31 FILTERING MATERIAL IN THE FORM OF FEL TRO FOR WATER AND OTHER LIQUIDS AND PROCEDURE FOR ITS MANUFACTURING IT1004832B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH145173A CH556681A (en) 1973-02-01 1973-02-01 FELT-SHAPED FILTER MATERIAL FOR CLEANING LIQUIDS, IN PARTICULAR WATER.

Publications (1)

Publication Number Publication Date
IT1004832B true IT1004832B (en) 1976-07-20

Family

ID=4210766

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67265/74A IT1004832B (en) 1973-02-01 1974-01-31 FILTERING MATERIAL IN THE FORM OF FEL TRO FOR WATER AND OTHER LIQUIDS AND PROCEDURE FOR ITS MANUFACTURING

Country Status (12)

Country Link
JP (1) JPS49106978A (en)
AU (1) AU6488774A (en)
BE (1) BE810347A (en)
BR (1) BR7400656D0 (en)
CH (1) CH556681A (en)
ES (1) ES422819A1 (en)
FR (1) FR2216377A1 (en)
IL (1) IL44048A (en)
IN (1) IN140225B (en)
IT (1) IT1004832B (en)
NL (1) NL7400993A (en)
ZA (1) ZA74394B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2721511C2 (en) * 1976-05-12 1985-11-28 Honshu Seishi K.K., Tokyo Adsorbent nonwoven fabric and process for its manufacture
US4495030A (en) * 1983-12-15 1985-01-22 American Cyanamid Company Filter paper
US4540625A (en) * 1984-01-09 1985-09-10 Hughes Aircraft Company Flexible air permeable non-woven fabric filters
SE451205B (en) * 1985-01-15 1987-09-14 Sunds Defibrator SET FOR MANUFACTURING FIBER MATERIAL COATED WITH ACTIVE COAL
JPH0221916A (en) * 1988-07-07 1990-01-24 Sanretsukusu Kogyo Kk Filter
FR2757079B1 (en) * 1996-12-12 1999-02-26 Elf Antar France FILLED LIQUID FILTERING PAPER

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1000038A (en) * 1960-12-06
US3266973A (en) * 1963-07-25 1966-08-16 Richard P Crowley Method of preparing adsorbent filter paper containing crystalline zeolite particles, and paper thereof

Also Published As

Publication number Publication date
JPS49106978A (en) 1974-10-11
DE2403971A1 (en) 1974-08-15
CH556681A (en) 1974-12-13
ES422819A1 (en) 1976-05-01
AU6488774A (en) 1975-07-31
IL44048A0 (en) 1974-05-16
NL7400993A (en) 1974-08-05
FR2216377B1 (en) 1977-06-10
BR7400656D0 (en) 1974-11-19
ZA74394B (en) 1974-11-27
IL44048A (en) 1976-10-31
BE810347A (en) 1974-05-16
IN140225B (en) 1976-10-02
FR2216377A1 (en) 1974-08-30
DE2403971B2 (en) 1977-06-08

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