CA1096556A - Traduction non-disponible - Google Patents

Traduction non-disponible

Info

Publication number: CA1096556A
Authority: CA; Canada
Prior art keywords: membrane; membranes; cellulose; polymers; formation
Prior art date: 1977-11-18
Legal status (The legal status 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 status listed.): Expired

Application number

CA316,347A

Other languages

English (en)

Inventor

Robert E. Kesting

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NUCLEPORE (CANADA) Inc

Original Assignee

NUCLEPORE (CANADA) Inc

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.)

1977-11-18

Filing date

1978-11-16

Publication date

1981-03-03

1978-10-23 Priority claimed from US05/953,377 external-priority patent/US4220477A/en

1978-11-16 Application filed by NUCLEPORE (CANADA) Inc filed Critical NUCLEPORE (CANADA) Inc

1981-03-03 Application granted granted Critical

1981-03-03 Publication of CA1096556A publication Critical patent/CA1096556A/fr

Status Expired legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/22—Cellulose ethers
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/20—Esters of inorganic acids, e.g. cellulose nitrate
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)

CA316,347A 1977-11-18 1978-11-16 Traduction non-disponible Expired CA1096556A (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US85277677A	1977-11-18	1977-11-18
US852,776		1977-11-18
US953,377		1977-11-21
US05/953,377 US4220477A (en)	1978-10-23	1978-10-23	Flexible microporous cellulosic membranes and methods of formation and use thereof

Publications (1)

Publication Number	Publication Date
CA1096556A true CA1096556A (fr)	1981-03-03

Family

ID=27127086

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA316,347A Expired CA1096556A (fr)	1977-11-18	1978-11-16	Traduction non-disponible

Country Status (8)

Country	Link
JP (1)	JPS5490082A (fr)
BR (1)	BR7807556A (fr)
CA (1)	CA1096556A (fr)
DE (1)	DE2849863C3 (fr)
FR (1)	FR2409077A1 (fr)
GB (1)	GB2009031B (fr)
IE (1)	IE47585B1 (fr)
IT (1)	IT7851950A0 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19613484A1 (de) *	1996-04-04	1997-10-09	Buna Sow Leuna Olefinverb Gmbh	Formmassen zur Herstellung von Gastrennmembranen
RU2152818C1 (ru) *	1999-07-12	2000-07-20	ЗАО НТЦ "Владипор"	Способ получения микрофильтрационных мембран

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE329117C (de) *	1916-08-21	1920-11-15	Richard Zsigmondy Dr	Membranfilter und Verfahren zu deren Herstellung
DE1017596B (de) *	1956-07-04	1957-10-17	Membranfiltergesellschaft Sart	Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Membranfiltern
JPS5538366B2 (fr) *	1974-03-13	1980-10-03
GB1430323A (en) *	1974-03-20	1976-03-31	Chem Systems	Process for the preparation of asymmetric reverse osmosis membranes

1978
- 1978-11-09 GB GB7843859A patent/GB2009031B/en not_active Expired
- 1978-11-16 CA CA316,347A patent/CA1096556A/fr not_active Expired
- 1978-11-17 DE DE2849863A patent/DE2849863C3/de not_active Expired
- 1978-11-17 FR FR7832489A patent/FR2409077A1/fr active Granted
- 1978-11-17 IT IT7851950A patent/IT7851950A0/it unknown
- 1978-11-17 JP JP14122278A patent/JPS5490082A/ja active Granted
- 1978-11-17 BR BR7807556A patent/BR7807556A/pt unknown
- 1978-11-17 IE IE2266/78A patent/IE47585B1/en unknown

Also Published As

Publication number	Publication date
DE2849863B2 (de)	1981-03-12
IE782266L (en)	1979-05-18
IT7851950A0 (it)	1978-11-17
FR2409077A1 (fr)	1979-06-15
DE2849863A1 (de)	1979-05-31
FR2409077B1 (fr)	1984-11-16
GB2009031A (en)	1979-06-13
IE47585B1 (en)	1984-05-02
BR7807556A (pt)	1979-07-24
JPS5490082A (en)	1979-07-17
JPS5634132B2 (fr)	1981-08-08
GB2009031B (en)	1982-03-10
DE2849863C3 (de)	1982-06-24

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Legal Events

Date	Code	Title	Description
1998-03-03	MKEX	Expiry