John W. Dittrick

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Flushing, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Novel norbornyl-substituted pyrans, method for their synthesis and...
- Patent number 4,276,220
- Issue date Jun 30, 1981
- Fritzsche Dodge & Olcott, Inc.
- Brian J. Willis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel norcamphanyl-substituted pyrans, method for their synthesis a...
- Patent number 4,271,046
- Issue date Jun 2, 1981
- Fritzsche Dodge & Olcott, Inc.
- Brian J. Willis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Norbornyl-substituted pyran perfumes
- Patent number 4,221,679
- Issue date Sep 9, 1980
- Fritzsche Dodge & Olcott, Inc.
- Brian J. Willis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel norcamphanyl-substituted pyrans, method for their synthesis a...
- Patent number 4,197,246
- Issue date Apr 8, 1980
- Fritzsche Dodge & Olcott, Inc.
- Brian J. Willis
- C07 - ORGANIC CHEMISTRY