Assignee
WILHELM FRITZ
DE·1 granted patent·1 pending application·0 citations·filing 2004–2007
Top patents by PatentIndex Score
2 records- 0145US8143367B2Method for the esterification of terephtalic acid with butanediol, method for the manufacture of polybutylene terephtalate and a device thereforWILHELM FRITZ·Filed 2007·Granted Mar 27, 2012·0 cites·14 claims
- 0237US2009192285A1Method and device for the production of polyesters and copolyestersWILHELM FRITZ·Filed 2004·Application pending·0 cites
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