RO72504B1 - Compozitie catalitica folosita la obtinerea acizilor nesaturati - Google Patents

Compozitie catalitica folosita la obtinerea acizilor nesaturati

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Publication number
RO72504B1
RO72504B1 RO90875A RO9087577A RO72504B1 RO 72504 B1 RO72504 B1 RO 72504B1 RO 90875 A RO90875 A RO 90875A RO 9087577 A RO9087577 A RO 9087577A RO 72504 B1 RO72504 B1 RO 72504B1
Authority
RO
Romania
Prior art keywords
mixture
composition used
catalytic composition
obtaining non
saturated acids
Prior art date
Application number
RO90875A
Other languages
English (en)
Other versions
RO72504A2 (ro
Inventor
F. James White
Michael D. Applequist
Original Assignee
The Standard Oil Company
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 US05/745,033 external-priority patent/US4083805A/en
Application filed by The Standard Oil Company filed Critical The Standard Oil Company
Publication of RO72504A2 publication Critical patent/RO72504A2/ro
Publication of RO72504B1 publication Critical patent/RO72504B1/ro

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Compozitie catalitica folosita la obtinerea acizilor nesaturati, constituita dintr-un amestec de oxizi de molibden, fosfor, bismut, cupru si un element activator, caracterizata prin aceea ca, în scopul maririi randamentelor si conversiilor, elementele continute si proprietatile lor corespund formulei empirice:(vezi form. în desc.) în care M este cel putin un element ales dintre fier, crom, nuchel, mangan, telur, paladiu, stibiu, rodiu, sau un amestec al acestora X este un halogen, ales dintre clor, brom, sau iod sau simbolurile: a,b,c,d,e, si f reprezinta numarul de atomi care intra în constitutia amestecului si sunt egale cu : a,b si c =0,001.....10, d=0....10, e=0.....5, f are valoarea necesara satisfacerii valentelor celorlalte elemente, acest amestec existînd ca atare sau de pus sub forma unui strat adere si continuu pe un suport de alundum.
RO90875A 1976-11-26 1977-06-30 Compozitie catalitica folosita la obtinerea acizilor nesaturati RO72504B1 (ro)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/745,033 US4083805A (en) 1976-06-30 1976-11-26 Preparation of methacrylic acid from methacrolein
US05/748,081 US4113768A (en) 1976-06-30 1976-12-06 Preparation of acrylic or methacrylic acid from acrolein or methacrolein

Publications (2)

Publication Number Publication Date
RO72504A2 RO72504A2 (ro) 1984-03-15
RO72504B1 true RO72504B1 (ro) 1984-03-30

Family

ID=27114390

Family Applications (1)

Application Number Title Priority Date Filing Date
RO90875A RO72504B1 (ro) 1976-11-26 1977-06-30 Compozitie catalitica folosita la obtinerea acizilor nesaturati

Country Status (1)

Country Link
RO (1) RO72504B1 (ro)

Also Published As

Publication number Publication date
RO72504A2 (ro) 1984-03-15

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