Assignee
HERCOFINA
9 granted patents·64 citations·filing 1971–1981
Top patents by PatentIndex Score
9 records- 0175US4076946AHydrogenation of molten aldehydic dimethyl terephthalateHERCOFINA·Filed 1974·Granted Feb 28, 1978·12 cites·5 claims
- 0274US4345089ARecovery of aromatic carboxylic acid or ester thereof from residue fraction of oxidation or esterification reaction mixtureHERCOFINA·Filed 1980·Granted Aug 17, 1982·12 cites·22 claims
- 0364US4187902AHeat exchange apparatusHERCOFINA·Filed 1971·Granted Feb 12, 1980·17 cites·3 claims
- 0452US4227010ARecovery of dimethyl terephthalate and intermediates from the tarry fraction of cooxidation process residueHERCOFINA·Filed 1978·Granted Oct 7, 1980·4 cites·5 claims
- 0550US4398037AProcess for producing aromatic carboxylic acids and methyl esters thereofHERCOFINA·Filed 1981·Granted Aug 9, 1983·5 cites·9 claims
- 0642US4394286APartially hydrolyzed, DMT process residue, and useful propylene oxide derivative thereofHERCOFINA·Filed 1981·Granted Jul 19, 1983·7 cites·9 claims
- 0728US4284760AProcess for the manufacture of unsaturated polyester resinsHERCOFINA·Filed 1980·Granted Aug 18, 1981·2 cites·5 claims
- 0827US4103090AStabilization with alkali metal acetate material of certain thermally unstable DMTHERCOFINA·Filed 1976·Granted Jul 25, 1978·0 cites·8 claims
- 0924US4353810AMinimizing iron in recovered oxidation catalyst material in DMT processHERCOFINA·Filed 1981·Granted Oct 12, 1982·5 cites·7 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →