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Joseph Lacona Patents |
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Inventor: Lacona; Joseph
Address: Pittsburgh, PA
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| RE30481 |
Process for reducing the processing time in the production of polyesters |
January 13, 1981 |
| Polyesters obtained by reacting isophthalic acid or terephthalic acid with a polyol with or without a catalyst in a first stage to form a half-ester mixture which is reacted in a second stage with an aliphatic polycarboxylic acid are produced at reduced processing times. In the first |
| 4046739 |
Process for reducing the processing time in the production of polyesters |
September 6, 1977 |
| Polyesters obtained by reacting isophthalic acid or terephthalic acid with a polyol with or without a catalyst in a first stage to form a half-ester mixture which is reacted in a second stage with an aliphatic polycarboxylic acid are produced at reduced processing times. In the first |
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