David Pfister

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Zurich, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process to prepare a polyester polymer composition comprising a pol...
- Patent number 10,377,853
- Issue date Aug 13, 2019
- Sulzer Chemtech AG
- Liborio Ivano Costa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process to prepare a cyclic oligomer and a cyclic oligomer obtainab...
- Patent number 9,725,558
- Issue date Aug 8, 2017
- Sulzer Chemtech AG
- Liborio Ivano Costa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process to Prepare a Polyester Polymer Composition Comprising a Pol...
- Publication number 20170267812
- Publication date Sep 21, 2017
- Sulzer Chemtech AG
- Liborio Ivano Costa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
A Process to Prepare a Cyclic Oligomer and a Cyclic Oligomer Obtain...
- Publication number 20160017093
- Publication date Jan 21, 2016
- Sulzer Chemtech AG
- Liborio Ivano Costa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
A Process to Prepare a Polyester Polymer Composition Comprising a P...
- Publication number 20160002397
- Publication date Jan 7, 2016
- Sulzer Chemtech AG
- Liborio Ivano Costa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL