S. Allen Grimsley

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Portsmouth, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Enhanced dithionite bleaching
- Patent number 4,871,423
- Issue date Oct 3, 1989
- Hoechst Celanese Corporation
- S. Allen Grimsley
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of bleaching high yield pulp by using dithionite ion and exc...
- Patent number 4,863,564
- Issue date Sep 5, 1989
- Virginia Chemicals Inc.
- S. Allen Grimsley
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE