John H. Stark

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Campbell Hall, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Modified rosin emulsion
- Patent number 6,048,439
- Issue date Apr 11, 2000
- International Paper Company
- Yan C. Huang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Modified rosin emulsion
- Patent number 5,741,889
- Issue date Apr 21, 1998
- International Paper Company
- Yan C. Huang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Diester crosslinked polyglucan hydrogels and reticulated sponges th...
- Patent number 4,002,173
- Issue date Jan 11, 1977
- International Paper Company
- James H. Manning
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE