Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Patent
1990-10-16
1992-04-14
Garvin, Patrick P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
502171, B01J 3112
Patent
active
051048426
ABSTRACT:
The object of the invention is a catalytic composition comprising titanium and phosphorus and resulting from the contacting of at least one titanate with at least one quaternary "onium" salt of an acid selected from the group consisting of phosphoric acid and the phosphonic acids of formula R.sup.7 H.sub.2 PO.sub.3 in which R.sup.7 is a hydrocarbon group having 1 to 38 atoms of carbon and the "onium" remainder is a remainder of formula (R.sup.8 R.sup.9 R.sup.10 R.sup.11 M).sup.+ in which M is an element from the group VA of the periodic table of elements, preferably nitrogen or phosphorous, and R.sup.8, R.sup.9, R.sup.10 and R.sup.11, identical or different, represent each an atom of hydrogen or a hydrocarbon group having 1 to 38 atoms of carbon.
This catalytic composition is utilizable for producing asters and polyesters from epoxides and carboxylic acid anhydrides.
REFERENCES:
patent: 3056818 (1962-10-01), Werber
patent: 3664966 (1972-05-01), Gordon
patent: 4436838 (1984-03-01), Lin
patent: 4506091 (1985-03-01), Deardorff
Damin Bernard
Garapon Jacques
Huet Catherine
Muller Isabelle
Touet Remi
ELF France
Garvin Patrick P.
Institut Francais du Petrol
L'Air Liquide Societe Anonyme pour L'Etude et L'Exploitation des
Peebles Brent M.
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