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Inventor: Richtzenhain; Hermann
Address: Schwellenbach Post Marialinden, DT
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4078148 |
Polyether esters |
March 7, 1978 |
| Polyether ester polymers of tetrahydrofuran and .gamma.-butyrolactone or hexamethyleneoxide and .gamma.-butyrolactone. The polymers are prepared by contacting the mentioned monomers in the presence a fluoride or chloride of antimony or a chloride of tin or titanium. The polymers can be u |
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