Gunther Hans Elfers

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Grosse Ile, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of recovering tall oil from acidulation of raw tall oil soap
- Patent number 4,154,725
- Issue date May 15, 1979
- BASF Wyandotte Corporation
- Joseph V. Otrhalek
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Method of making a flocculant composition
- Patent number 4,125,508
- Issue date Nov 14, 1978
- BASF Wyandotte Corporation
- Gunther H. Elfers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of recovering tall-oil soap from kraft black liquor
- Patent number 4,085,000
- Issue date Apr 18, 1978
- BASF Wyandotte Corporation
- Joseph V. Otrhalek
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE