Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1996-03-25
1997-01-21
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528280, 528282, 5283083, 502107, 502111, L08G 6382
Patent
active
055960693
ABSTRACT:
A cobalt/aluminum catalyst for the polymerization of polyesters of terephthalic acid and an ethylene glycol, and a process for the preparation of such catalysts.
REFERENCES:
patent: 4590259 (1986-05-01), Kosky et al.
patent: 5116938 (1992-05-01), Engel-Bader et al.
patent: 5166311 (1992-11-01), Nichols
Acquah Samuel A.
E. I. Du Pont de Nemours and Company
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