KENT WITHERSPOON

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Killen, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Process of bleaching hardwood pulps in a D1 or D2 stage in a presen...
- Patent number 7,976,677
- Issue date Jul 12, 2011
- International Paper Company
- Caifang Yin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process of bleaching softwood pulps in a D1 or D2 stage in a presen...
- Patent number 7,976,676
- Issue date Jul 12, 2011
- International Paper Company
- Caifang Yin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Process in a (D) stage bleaching of softwood pulps in a presence of...
- Publication number 20110265964
- Publication date Nov 3, 2011
- International Paper Company
- CAIFANG YIN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process of bleaching hardwood pulps in a D1 or D2 stage in a presen...
- Publication number 20110240238
- Publication date Oct 6, 2011
- International Paper Company
- CAIFANG YIN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process in a (D) stage bleaching of softwood pulps in a presence of...
- Publication number 20080142174
- Publication date Jun 19, 2008
- Caifang Yin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process in a (D) stage bleaching of hardwood pulps in a presence of...
- Publication number 20080142175
- Publication date Jun 19, 2008
- Caifang Yin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE