Alfred Bosshard

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Oftringen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Ultrafine natural calcium carbonates as fillers in varnishes and pa...
- Patent number 4,013,602
- Issue date Mar 22, 1977
- Pluss-Staufer AG
- Pierre Delfosse
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Use of ultrafine natural calcium carbonates as fillers in natural a...
- Patent number 3,959,192
- Issue date May 25, 1976
- Pluss-Staufer AG
- Pierre Delfosse
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultrafine natural calcium carbonates as coating pigments in coated...
- Patent number 3,940,550
- Issue date Feb 24, 1976
- Pluss-Staufer AG
- Pierre Delfosse
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the wet grinding of materials
- Patent number 3,934,825
- Issue date Jan 27, 1976
- Pluss-Staufer AG
- Pierre Delfosse
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...