RO77413A2 - PROCEDURE FOR THE PURIFICATION OF PYROMELITIC DYANHYDRIDES - Google Patents

PROCEDURE FOR THE PURIFICATION OF PYROMELITIC DYANHYDRIDES

Info

Publication number
RO77413A2
RO77413A2 RO7996710A RO9671079A RO77413A2 RO 77413 A2 RO77413 A2 RO 77413A2 RO 7996710 A RO7996710 A RO 7996710A RO 9671079 A RO9671079 A RO 9671079A RO 77413 A2 RO77413 A2 RO 77413A2
Authority
RO
Romania
Prior art keywords
dyanhydrides
pyromelitic
purification
procedure
pyromelitic dyanhydrides
Prior art date
Application number
RO7996710A
Other languages
French (fr)
Romanian (ro)
Inventor
Mircea Tolan
Gheorghe Barbu
Elisabeta Muscalu
Maria Bruma
Constantin Chiriac
Original Assignee
Institutul De Cercetare Inginerie Tehnologica Si Proiectare Rafinarii,Ro
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 Institutul De Cercetare Inginerie Tehnologica Si Proiectare Rafinarii,Ro filed Critical Institutul De Cercetare Inginerie Tehnologica Si Proiectare Rafinarii,Ro
Priority to RO7996710A priority Critical patent/RO77413A2/en
Publication of RO77413A2 publication Critical patent/RO77413A2/en

Links

RO7996710A 1979-02-26 1979-02-26 PROCEDURE FOR THE PURIFICATION OF PYROMELITIC DYANHYDRIDES RO77413A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO7996710A RO77413A2 (en) 1979-02-26 1979-02-26 PROCEDURE FOR THE PURIFICATION OF PYROMELITIC DYANHYDRIDES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO7996710A RO77413A2 (en) 1979-02-26 1979-02-26 PROCEDURE FOR THE PURIFICATION OF PYROMELITIC DYANHYDRIDES

Publications (1)

Publication Number Publication Date
RO77413A2 true RO77413A2 (en) 1981-11-04

Family

ID=20104638

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7996710A RO77413A2 (en) 1979-02-26 1979-02-26 PROCEDURE FOR THE PURIFICATION OF PYROMELITIC DYANHYDRIDES

Country Status (1)

Country Link
RO (1) RO77413A2 (en)

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