Robert Walter Begland

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of disperse bisanil dyes derived from diaminomaleonitrile
- Patent number 3,962,221
- Issue date Jun 8, 1976
- E. I. Du Pont de Nemours and Company
- Robert Walter Begland
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparation of disperse bisanil dyes derived from diaminomaleonitrile
- Patent number 3,962,220
- Issue date Jun 8, 1976
- E. I. Du Pont de Nemours and Company
- Robert Walter Begland
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...