DE3851529T2 - Process for the production and use of polyamide membranes for water softening. - Google Patents

Process for the production and use of polyamide membranes for water softening.

Info

Publication number
DE3851529T2
DE3851529T2 DE19883851529 DE3851529T DE3851529T2 DE 3851529 T2 DE3851529 T2 DE 3851529T2 DE 19883851529 DE19883851529 DE 19883851529 DE 3851529 T DE3851529 T DE 3851529T DE 3851529 T2 DE3851529 T2 DE 3851529T2
Authority
DE
Germany
Prior art keywords
production
water softening
polyamide membranes
membranes
polyamide
Prior art date
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 - Fee Related
Application number
DE19883851529
Other languages
German (de)
Other versions
DE3851529D1 (en
Inventor
John E Cadotte
David R Walker
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.)
Dow Chemical Co
Original Assignee
Filmtec Corp
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 Filmtec Corp filed Critical Filmtec Corp
Priority claimed from EP19880113715 external-priority patent/EP0355188B1/en
Application granted granted Critical
Publication of DE3851529D1 publication Critical patent/DE3851529D1/en
Publication of DE3851529T2 publication Critical patent/DE3851529T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE19883851529 1988-08-23 1988-08-23 Process for the production and use of polyamide membranes for water softening. Expired - Fee Related DE3851529T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19880113715 EP0355188B1 (en) 1986-04-28 1988-08-23 Process of making and using polyamide membranes useful for water softening

Publications (2)

Publication Number Publication Date
DE3851529D1 DE3851529D1 (en) 1994-10-20
DE3851529T2 true DE3851529T2 (en) 1995-03-23

Family

ID=8199222

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883851529 Expired - Fee Related DE3851529T2 (en) 1988-08-23 1988-08-23 Process for the production and use of polyamide membranes for water softening.

Country Status (1)

Country Link
DE (1) DE3851529T2 (en)

Also Published As

Publication number Publication date
DE3851529D1 (en) 1994-10-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: THE DOW CHEMICAL CO., MIDLAND, MICH., US

8328 Change in the person/name/address of the agent

Free format text: KOENIG, B., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 80469 MUENCHEN

8339 Ceased/non-payment of the annual fee