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NO952161L - Fremgangsmåte for fremstilling av etylendiamintetra (metylenfosfonsyre) - Google Patents

Fremgangsmåte for fremstilling av etylendiamintetra (metylenfosfonsyre)

Info

Publication number
NO952161L
NO952161L NO952161A NO952161A NO952161L NO 952161 L NO952161 L NO 952161L NO 952161 A NO952161 A NO 952161A NO 952161 A NO952161 A NO 952161A NO 952161 L NO952161 L NO 952161L
Authority
NO
Norway
Prior art keywords
ethylenediaminetetra
preparation
phosphonic acid
methylene phosphonic
methylene
Prior art date
Application number
NO952161A
Other languages
English (en)
Other versions
NO952161D0 (no
NO179451C (no
NO179451B (no
Inventor
Joseph R Garlich
Jaime Simon
Tipton T Masterson
Original Assignee
Dow Chemical Co
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
Priority claimed from US07/389,441 external-priority patent/US4937333A/en
Publication of NO952161L publication Critical patent/NO952161L/no
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Priority to NO952161A priority Critical patent/NO179451C/no
Publication of NO952161D0 publication Critical patent/NO952161D0/no
Publication of NO179451B publication Critical patent/NO179451B/no
Publication of NO179451C publication Critical patent/NO179451C/no

Links

NO952161A 1989-08-04 1995-05-31 Fremgangsmåte for fremstilling av etylendiamintetra(metylenfosfonsyre) NO179451C (no)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO952161A NO179451C (no) 1989-08-04 1995-05-31 Fremgangsmåte for fremstilling av etylendiamintetra(metylenfosfonsyre)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/389,441 US4937333A (en) 1989-08-04 1989-08-04 Method for purifying aminomethylenephosphonic acids for pharmaceutical use
NO903419A NO178196C (no) 1989-08-04 1990-08-03 Fremgangsmåte for rensning av etylendiamintetra(metylenfosfonsyre)
NO952161A NO179451C (no) 1989-08-04 1995-05-31 Fremgangsmåte for fremstilling av etylendiamintetra(metylenfosfonsyre)

Publications (4)

Publication Number Publication Date
NO952161L true NO952161L (no) 1991-02-05
NO952161D0 NO952161D0 (no) 1995-05-31
NO179451B NO179451B (no) 1996-07-01
NO179451C NO179451C (no) 1996-10-09

Family

ID=27353144

Family Applications (1)

Application Number Title Priority Date Filing Date
NO952161A NO179451C (no) 1989-08-04 1995-05-31 Fremgangsmåte for fremstilling av etylendiamintetra(metylenfosfonsyre)

Country Status (1)

Country Link
NO (1) NO179451C (no)

Also Published As

Publication number Publication date
NO952161D0 (no) 1995-05-31
NO179451C (no) 1996-10-09
NO179451B (no) 1996-07-01

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees