EG10806A - Reverse osmosis polymeric membranes with a great flow of water and strong saline rejection and method for preparing such membranes - Google Patents

Reverse osmosis polymeric membranes with a great flow of water and strong saline rejection and method for preparing such membranes

Info

Publication number: EG10806A
Authority: EG; Egypt
Prior art keywords: membranes; preparing; water; reverse osmosis; great flow
Prior art date: 1971-12-30

Application number

EG545/72A

Other languages

English (en)

Inventor

L Credali

G Baruzzi

M Russo

Original Assignee

Montedison Spa

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.)

1971-12-30

Filing date

1972-12-27

Publication date

1976-09-30

1972-12-27 Application filed by Montedison Spa filed Critical Montedison Spa

1976-09-30 Application granted granted Critical

1976-09-30 Publication of EG10806A publication Critical patent/EG10806A/xx

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
- B01D71/56—Polyamides, e.g. polyester-amides
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/42—Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Compositions Of Macromolecular Compounds (AREA)

EG545/72A 1971-12-30 1972-12-27 Reverse osmosis polymeric membranes with a great flow of water and strong saline rejection and method for preparing such membranes EG10806A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT33137/71A IT944578B (it)	1971-12-30	1971-12-30	Membrane polimeriche per osmosi inversa ad alto flusso d acqua ed elevata reiezione salina e metodo di preparazione di tali membrane

Publications (1)

Publication Number	Publication Date
EG10806A true EG10806A (en)	1976-09-30

Family

ID=11236670

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EG545/72A EG10806A (en)	1971-12-30	1972-12-27	Reverse osmosis polymeric membranes with a great flow of water and strong saline rejection and method for preparing such membranes

Country Status (13)

Country	Link
JP (1)	JPS5611484B2 (xx)
BE (1)	BE793504A (xx)
BR (1)	BR7209266D0 (xx)
CA (1)	CA1018315A (xx)
DE (1)	DE2263774C2 (xx)
EG (1)	EG10806A (xx)
ES (1)	ES410178A1 (xx)
FR (1)	FR2166115B1 (xx)
GB (1)	GB1391559A (xx)
IL (1)	IL41210A (xx)
IT (1)	IT944578B (xx)
NL (1)	NL175884C (xx)
ZA (1)	ZA729171B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA74296B (en) *	1973-01-16	1974-11-27	Montedison Spa	Reverse osmosis anisotropic membranes with great water flow and strong saline rejection,based on polypiperazine amides,and process for preparing such membranes
DE3220376A1 (de) *	1982-05-29	1983-12-01	Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach	Membranfilter fuer mikrofiltration und verfahren zu seiner herstellung
IT1153101B (it) *	1982-07-01	1987-01-14	Montedison Spa	Procedimento per la preparazione di corpi formati anisotropi a base di poli-piperazinammidi
IT1222627B (it) *	1987-09-09	1990-09-05	Separem Spa	Procedimento per la preparazione di membrane per osmosi inversa e membrane ottenute con tale procedimento
US4879044A (en) *	1987-10-14	1989-11-07	Exxon Research And Engineering Company	Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non aromatics
US4921611A (en) *	1987-10-14	1990-05-01	Schucker Robert C	Thin film composite membrane prepared by deposition from a solution
US4828773A (en) *	1987-10-14	1989-05-09	Exxon Research And Engineering Company	Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non-aromatics
US4861628A (en) *	1987-10-14	1989-08-29	Exxon Research And Engineering Company	Thin film composite membrane prepared by suspension deposition
US4837054A (en) *	1987-10-14	1989-06-06	Exxon Research And Engineering Company	Thin film composite membrane prepared by deposition from a solution
US5045354A (en) *	1989-12-19	1991-09-03	Exxon Research & Engineering Company	Production of supported thin film membranes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7009957A (xx) *	1969-07-08	1971-01-12
US3696031A (en) *	1969-07-08	1972-10-03	Consiglio Nazionale Ricerche	Osmosis process

0
- BE BE793504D patent/BE793504A/xx unknown
1971
- 1971-12-30 IT IT33137/71A patent/IT944578B/it active
1972
- 1972-12-27 EG EG545/72A patent/EG10806A/xx active
- 1972-12-27 NL NLAANVRAGE7217668,A patent/NL175884C/xx not_active IP Right Cessation
- 1972-12-28 FR FR7246566A patent/FR2166115B1/fr not_active Expired
- 1972-12-28 ZA ZA729171A patent/ZA729171B/xx unknown
- 1972-12-28 DE DE2263774A patent/DE2263774C2/de not_active Expired
- 1972-12-29 BR BR9266/72A patent/BR7209266D0/pt unknown
- 1972-12-29 JP JP438573A patent/JPS5611484B2/ja not_active Expired
- 1972-12-29 IL IL41210A patent/IL41210A/en unknown
- 1972-12-29 ES ES410178A patent/ES410178A1/es not_active Expired
1973
- 1973-01-01 GB GB5966272A patent/GB1391559A/en not_active Expired
- 1973-01-02 CA CA160,396A patent/CA1018315A/en not_active Expired

Also Published As

Publication number	Publication date
IL41210A0 (en)	1973-02-28
NL175884B (nl)	1984-08-16
IT944578B (it)	1973-04-20
NL7217668A (xx)	1973-07-03
JPS4880481A (xx)	1973-10-27
NL175884C (nl)	1985-01-16
BE793504A (fr)	1973-06-29
CA1018315A (en)	1977-10-04
DE2263774A1 (de)	1973-07-12
GB1391559A (en)	1975-04-23
ES410178A1 (es)	1975-12-01
JPS5611484B2 (xx)	1981-03-14
FR2166115B1 (xx)	1976-04-23
DE2263774C2 (de)	1982-04-01
BR7209266D0 (pt)	1973-09-25
FR2166115A1 (xx)	1973-08-10
IL41210A (en)	1976-08-31
ZA729171B (en)	1973-09-26

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