Inventor · disambiguated record
Charles Michael Buchanan
Also filed as: BUCHANAN CHARLES · BUCHANAN CHARLES M · BUCHANAN CHARLES MICHAEL
67 granted patents·21 pending applications·2,834 citations·filing 1990–2021
99Inventor score
Files withEASTMAN CHEM CO55BUCHANAN CHARLES MICHAEL22BUCHANAN CHARLES M3EASTMAN KODAK CO2EASTMAN CHEMICAL COMAPANY1
Top patents by PatentIndex Score
88 records- 0198US8729253B2Cellulose ester optical filmsBUCHANAN CHARLES MICHAEL·Filed 2012·Granted May 20, 2014·22 cites·13 claims
- 0298US8148518B2Cellulose esters and their production in carboxylated ionic liquidsBUCHANAN CHARLES MICHAEL·Filed 2008·Granted Apr 3, 2012·82 cites·85 claims
- 0398US7919631B2Production of ionic liquidsEASTMAN CHEM CO·Filed 2008·Granted Apr 5, 2011·38 cites·21 claims
- 0498US6495656B1Copolyesters and fibrous materials formed therefromEASTMAN CHEM CO·Filed 2000·Granted Dec 17, 2002·145 cites·11 claims
- 0598US6342304B1Aliphatic aromatic copolyestersEASTMAN CHEM CO·Filed 1998·Granted Jan 29, 2002·171 cites·44 claims
- 0698US5900322AAliphatic-aromatic copolyesters and cellulose ester/polymer blendsEASTMAN CHEM CO·Filed 1996·Granted May 4, 1999·113 cites·1 claims
- 0798US5599858AAliphatic-aromatic copolyesters and cellulose ester/polymer blendsEASTMAN CHEM CO·Filed 1995·Granted Feb 4, 1997·247 cites·20 claims
- 0898US5580911AAliphatic-aromatic copolyesters and cellulose ester/polymer blendsEASTMAN CHEM CO·Filed 1995·Granted Dec 3, 1996·182 cites·66 claims
- 0998US5292783AAliphatic-aromatic copolyesters and cellulose ester/polymer blendsEASTMAN KODAK CO·Filed 1991·Granted Mar 8, 1994·310 cites·58 claims
- 1097US9243072B2Cellulose interpolymers and method of oxidationEASTMAN CHEM CO·Filed 2012·Granted Jan 26, 2016·16 cites·9 claims
- 1197US6562938B2Copolyesters and fibrous materials formed therefromEASTMAN CHEM CO·Filed 2001·Granted May 13, 2003·87 cites·27 claims
- 1297US5446079AAliphatic-aromatic copolyesters and cellulose ester/polymer blendsEASTMAN CHEM CO·Filed 1993·Granted Aug 29, 1995·278 cites·14 claims
- 1396US8067488B2Cellulose solutions comprising tetraalkylammonium alkylphosphate and products produced therefromBUCHANAN CHARLES MICHAEL·Filed 2009·Granted Nov 29, 2011·22 cites·22 claims
- 1495US9096691B2Cellulose ester optical filmsBUCHANAN CHARLES MICHAEL·Filed 2012·Granted Aug 4, 2015·7 cites·9 claims
- 1595US8354525B2Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefromEASTMAN CHEM CO·Filed 2009·Granted Jan 15, 2013·18 cites·11 claims
- 1695US8188267B2Treatment of cellulose estersBUCHANAN CHARLES MICHAEL·Filed 2008·Granted May 29, 2012·18 cites·13 claims
- 1795US8158777B2Cellulose esters and their production in halogenated ionic liquidsBUCHANAN CHARLES MICHAEL·Filed 2008·Granted Apr 17, 2012·16 cites·36 claims
- 1895US7879994B2Cellulose interpolymers and method of oxidationEASTMAN CHEM CO·Filed 2004·Granted Feb 1, 2011·47 cites·35 claims
- 1995US7276546B2Carbohydrate esters and polyol esters as plasticizers for polymers, compositions and articles including such plasticizers and methods of using the sameEASTMAN CHEM CO·Filed 2005·Granted Oct 2, 2007·23 cites·14 claims
- 2094US8816066B2Cellulose interpolymers and methods of oxidationBUCHANAN CHARLES MICHAEL·Filed 2010·Granted Aug 26, 2014·5 cites·8 claims
- 2194US6586212B1Corn fiber for the production of advanced chemicals and materials: derivatizable cellulose and cellulose derivatives made therefromEASTMAN CHEM CO·Filed 2000·Granted Jul 1, 2003·26 cites·51 claims
- 2294US6352845B1Corn fiber for the production of advanced chemicals and materials: separation of monosaccharides and methods thereofEASTMAN CHEM CO·Filed 2000·Granted Mar 5, 2002·39 cites·142 claims
- 2394US5594068ACellulose ester blendsEASTMAN CHEM CO·Filed 1995·Granted Jan 14, 1997·77 cites·45 claims
- 2493US6977275B2Carbohydrate esters and polyol esters as plasticizers for polymers, compositions and articles including such plasticizers and methods of using the sameEASTMAN CHEM CO·Filed 2003·Granted Dec 20, 2005·39 cites·18 claims
- 2592US8273872B2Cellulose esters and their production in halogenated ionic liquidsBUCHANAN CHARLES MICHAEL·Filed 2011·Granted Sep 25, 2012·4 cites·17 claims
- 2692US6610671B2Cyclodextrin sulfonates, guest inclusion complexes methods of making the same and related materialsEASTMAN CHEM CO·Filed 2002·Granted Aug 26, 2003·76 cites·14 claims
- 2792US6589760B1Methods of separating a corn fiber lipid fraction from corn fiberEASTMAN CHEM CO·Filed 2000·Granted Jul 8, 2003·21 cites·24 claims
- 2892US5559171AAliphatic-aromatic copolyesters and cellulose ester/polymer blendsEASTMAN CHEM CO·Filed 1995·Granted Sep 24, 1996·182 cites·37 claims
- 2991US9777074B2Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefromEASTMAN CHEM CO·Filed 2015·Granted Oct 3, 2017·3 cites·18 claims
- 3091US6479467B1Cyclodextrin ethersEASTMAN CHEM CO·Filed 1999·Granted Nov 12, 2002·93 cites·54 claims
- 3189US8524887B2Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefromBUCHANAN CHARLES MICHAEL·Filed 2009·Granted Sep 3, 2013·5 cites·33 claims
- 3287US9175096B2Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefromEASTMAN CHEM CO·Filed 2012·Granted Nov 3, 2015·2 cites·9 claims
- 3385US6228895B1Method for plasticizing a composition comprised of cellulose fiber and a cellulose esterEASTMAN CHEM CO·Filed 1998·Granted May 8, 2001·40 cites·15 claims
- 3485US5970988AEnvironmentally non-persistant cellulose ester fibersEASTMAN CHEM CO·Filed 1995·Granted Oct 26, 1999·101 cites·2 claims
- 3585US5625029ABiodegradable poly (3-Hydroxyalkanoate) compositions and blendsEASTMAN CHEM CO·Filed 1995·Granted Apr 29, 1997·39 cites·23 claims
- 3684US9040685B2Cellulose interpolymers and method of oxidationEASTMAN CHEM CO·Filed 2012·Granted May 26, 2015·1 cites·25 claims
- 3783US9150665B2Cellulose interpolymers and method of oxidationEASTMAN CHEM CO·Filed 2012·Granted Oct 6, 2015·1 cites·20 claims
- 3881US9040683B2Cellulose interpolymers and method of oxidationEASTMAN CHEM CO·Filed 2012·Granted May 26, 2015·1 cites·23 claims
- 3981US9040684B2Cellulose interpolymers and method of oxidationEASTMAN CHEM CO·Filed 2012·Granted May 26, 2015·1 cites·12 claims
- 4080US12252603B2Regioselectively substituted cellulose ester based C+ compensation films with improved wavelength dispersionEASTMAN CHEM CO·Filed 2021·Granted Mar 18, 2025·1 cites·12 claims
- 4180US10836835B2Cellulose ester optical filmsEASTMAN CHEM CO·Filed 2019·Granted Nov 17, 2020·0 cites·15 claims
- 4280US9975967B2Cellulose ester optical filmsBUCHANAN CHARLES MICHAEL·Filed 2012·Granted May 22, 2018·3 cites·18 claims
- 4380US8153782B2Reformation of ionic liquidsBUCHANAN CHARLES MICHAEL·Filed 2008·Granted Apr 10, 2012·1 cites·30 claims
- 4480US6313202B1Cellulose ester blendsEASTMAN CHEM CO·Filed 1993·Granted Nov 6, 2001·29 cites·30 claims
- 4579US6309509B1Composition and paper comprising cellulose ester, alkylpolyglycosides, and celluloseEASTMAN CHEM CO·Filed 1996·Granted Oct 30, 2001·30 cites·11 claims
- 4677US10494447B2Cellulose ester optical filmsEASTMAN CHEM CO·Filed 2018·Granted Dec 3, 2019·0 cites·11 claims
- 4777US6388069B1Corn fiber for the production of advanced chemicals and materials:arabinoxylan and arabinoxylan derivatives made therefromEASTMAN CHEM CO·Filed 2000·Granted May 14, 2002·14 cites·108 claims
- 4874US9926384B2Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefromEASTMAN CHEM CO·Filed 2014·Granted Mar 27, 2018·0 cites·16 claims
- 4973US5391708APoly(3-hydroxyalkanoates)EASTMAN CHEM CO·Filed 1994·Granted Feb 21, 1995·18 cites·20 claims
- 5071US5142034ACellulose ester compositions and process for the preparation thereofEASTMAN KODAK CO·Filed 1990·Granted Aug 25, 1992·22 cites·75 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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