IT1091161B - Materiale pellicolare poroso asimmetrico e procedimento per la sua fabbricazione - Google Patents

Materiale pellicolare poroso asimmetrico e procedimento per la sua fabbricazione

Info

Publication number: IT1091161B
Authority: IT; Italy
Prior art keywords: film; fibrous structure; nodes; asymmetrical; porous ptfe
Prior art date: 1977-09-16

Application number

IT6906077A

Other languages

English (en)

Original Assignee

Sumitomo Electric Industries

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.)

1977-09-16

Filing date

1977-09-16

Publication date

1985-06-26

1977-09-16 Application filed by Sumitomo Electric Industries filed Critical Sumitomo Electric Industries

1977-09-16 Priority to IT6906077A priority Critical patent/IT1091161B/it

1985-06-26 Application granted granted Critical

1985-06-26 Publication of IT1091161B publication Critical patent/IT1091161B/it

Links

239000004810 polytetrafluoroethylene Substances 0.000 title abstract 3
229920001343 polytetrafluoroethylene Polymers 0.000 title abstract 3
238000001914 filtration Methods 0.000 abstract 2
238000010612 desalination reaction Methods 0.000 abstract 1
239000000835 fiber Substances 0.000 abstract 1
239000000314 lubricant Substances 0.000 abstract 1
239000010687 lubricating oil Substances 0.000 abstract 1
229920000642 polymer Polymers 0.000 abstract 1
239000011148 porous material Substances 0.000 abstract 1
239000013535 sea water Substances 0.000 abstract 1

Landscapes

Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Artificial Filaments (AREA)

IT6906077A 1977-09-16 1977-09-16 Materiale pellicolare poroso asimmetrico e procedimento per la sua fabbricazione IT1091161B (it)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
IT6906077A IT1091161B (it)	1977-09-16	1977-09-16	Materiale pellicolare poroso asimmetrico e procedimento per la sua fabbricazione

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT6906077A IT1091161B (it)	1977-09-16	1977-09-16	Materiale pellicolare poroso asimmetrico e procedimento per la sua fabbricazione

Publications (1)

Publication Number	Publication Date
IT1091161B true IT1091161B (it)	1985-06-26

Family

ID=11311258

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT6906077A IT1091161B (it)	1977-09-16	1977-09-16	Materiale pellicolare poroso asimmetrico e procedimento per la sua fabbricazione

Country Status (1)

Country	Link
IT (1)	IT1091161B (it)

1977
- 1977-09-16 IT IT6906077A patent/IT1091161B/it active

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Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19960928