IL38247A - Process for preparing a dry semipermeable cellulose acetate membrane - Google Patents

Process for preparing a dry semipermeable cellulose acetate membrane

Info

Publication number: IL38247A
Authority: IL; Israel
Prior art keywords: preparing; cellulose acetate; acetate membrane; semipermeable cellulose; dry
Prior art date: 1970-12-01

Application number

IL38247A

Other languages

English (en)

Other versions

IL38247A0 (en

Original Assignee

Kalle 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.)

1970-12-01

Filing date

1971-11-29

Publication date

1974-06-30

1971-11-29 Application filed by Kalle Ag filed Critical Kalle Ag

1972-01-27 Publication of IL38247A0 publication Critical patent/IL38247A0/xx

1974-06-30 Publication of IL38247A publication Critical patent/IL38247A/xx

Links

229920002301 cellulose acetate Polymers 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
239000012528 membrane Substances 0.000 title 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0095—Drying

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Chemical Kinetics & Catalysis (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

IL38247A 1970-12-01 1971-11-29 Process for preparing a dry semipermeable cellulose acetate membrane IL38247A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702059048 DE2059048A1 (de)	1970-12-01	1970-12-01	Verfahren zum Herstellen einer trockenen semipermeablen Celluloseacetat-Membran

Publications (2)

Publication Number	Publication Date
IL38247A0 IL38247A0 (en)	1972-01-27
IL38247A true IL38247A (en)	1974-06-30

Family

ID=5789633

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL38247A IL38247A (en)	1970-12-01	1971-11-29	Process for preparing a dry semipermeable cellulose acetate membrane

Country Status (14)

Country	Link
US (1)	US3773534A (de)
BE (1)	BE775987A (de)
CA (1)	CA974718A (de)
CH (1)	CH552636A (de)
DE (1)	DE2059048A1 (de)
ES (1)	ES397473A1 (de)
FR (1)	FR2117152A5 (de)
GB (1)	GB1315259A (de)
IL (1)	IL38247A (de)
IT (1)	IT945194B (de)
LU (1)	LU64361A1 (de)
NL (1)	NL7115981A (de)
SE (1)	SE375700B (de)
ZA (1)	ZA718021B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4239545A (en) *	1978-08-10	1980-12-16	Toray Industries, Inc.	Cellulose derivative reverse osmosis membrane and casting solution and additive for preparing the same
JP2528169B2 (ja) *	1987-11-19	1996-08-28	帝人株式会社	多孔性成型物の製造方法
US5011637A (en) *	1989-01-23	1991-04-30	The Dow Chemical Company	Preparing cellulose ester membranes for gas separation
US4980063A (en) *	1989-01-27	1990-12-25	The Dow Chemical Company	Compositions useful for preparing cellulose ester membranes for liquid separations
EP0574699A2 (de) *	1992-05-20	1993-12-22	Akzo Nobel N.V.	Dialysemembran aus Celluloseacetat
DE4220441A1 (de) *	1992-06-23	1994-01-05	Gambro Dialysatoren	Verfahren zum Trocknen poröser Ultrafilterfiltrationsmembranen
FR2815886B1 (fr) *	2000-10-30	2002-12-06	Hospal Ind	Faisceau de fibres creuses pour un appareil pour le traitement extracorporel du sang et du plasma et son procede de fabrication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3133137A (en) *	1960-11-29	1964-05-12	Univ California	High flow porous membranes for separating water from saline solutions
US3544358A (en) *	1966-07-18	1970-12-01	Universal Water Corp	Production of semipermeable membranes directly on the surfaces of permeable support bodies
US3567809A (en) *	1966-10-07	1971-03-02	Fuji Photo Film Co Ltd	Method of varying the pore diameters of fine pores in cellulose acetate film
US3592672A (en) *	1969-12-22	1971-07-13	Eastman Kodak Co	Dry stabilized,rewettable semipermeable cellulose ester and ether membranes and their preparation

1970
- 1970-12-01 DE DE19702059048 patent/DE2059048A1/de active Pending
1971
- 1971-11-19 NL NL7115981A patent/NL7115981A/xx unknown
- 1971-11-26 IT IT54402/71A patent/IT945194B/it active
- 1971-11-29 IL IL38247A patent/IL38247A/xx unknown
- 1971-11-29 FR FR7142649A patent/FR2117152A5/fr not_active Expired
- 1971-11-29 BE BE775987A patent/BE775987A/xx unknown
- 1971-11-29 SE SE7115231A patent/SE375700B/xx unknown
- 1971-11-29 LU LU64361A patent/LU64361A1/xx unknown
- 1971-11-29 ES ES397473A patent/ES397473A1/es not_active Expired
- 1971-11-30 GB GB5552371A patent/GB1315259A/en not_active Expired
- 1971-11-30 CH CH1740771A patent/CH552636A/de not_active IP Right Cessation
- 1971-11-30 CA CA128,939A patent/CA974718A/en not_active Expired
- 1971-11-30 US US00203437A patent/US3773534A/en not_active Expired - Lifetime
- 1971-11-30 ZA ZA718021A patent/ZA718021B/xx unknown

Also Published As

Publication number	Publication date
SE375700B (de)	1975-04-28
GB1315259A (en)	1973-05-02
ES397473A1 (es)	1975-03-01
US3773534A (en)	1973-11-20
ZA718021B (en)	1972-08-30
BE775987A (fr)	1972-05-29
NL7115981A (de)	1972-06-05
DE2059048A1 (de)	1972-06-15
CA974718A (en)	1975-09-23
LU64361A1 (de)	1973-06-21
IT945194B (it)	1973-05-10
FR2117152A5 (de)	1972-07-21
CH552636A (de)	1974-08-15
IL38247A0 (en)	1972-01-27

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