Inventor

Charles Michael Buchanan

Inventor
Bluff City, TN, US

Overview

66→
Patents
1992–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 66 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Bprimary
C08BPolysaccharides14%
C08LCompositions of macromolecular compounds13%
Y10TTechnical subjects covered by former us classification8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
C08JWorking-up6%
G02BOptical elements, systems or apparatus6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
A61KPreparations for medical, dental or toiletry purposes3%
A61LMethods or apparatus for sterilising materials or objects in general3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
PatentTitleYear
10,836,835Cellulose ester optical films202010,494,447Cellulose ester optical films201910,174,129Regioselectively substituted cellulose esters produced in a carboxylated ionic liquid process and products produced therefrom20199,975,967Cellulose ester optical films20189,926,384'Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom'20189,834,516Regioselectively substituted cellulose esters produced in a carboxylated ionic liquid process and products produced therefrom20179,796,791'Cellulose ester optical films'20179,777,074'Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom'20179,243,072'Cellulose interpolymers and method of oxidation'20169,175,096'Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom'20159,156,918'Treatment of cellulose esters'20159,150,665'Cellulose interpolymers and method of oxidation'20159,096,691'Cellulose ester optical films'20159,040,684'Cellulose interpolymers and method of oxidation'20159,040,685'Cellulose interpolymers and method of oxidation'20159,040,683'Cellulose interpolymers and method of oxidation'20158,871,924'Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom'20148,816,066'Cellulose interpolymers and methods of oxidation'20148,729,253'Cellulose ester optical films'20148,524,887'Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom'20138,354,525'Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom'20138,273,872'Cellulose esters and their production in halogenated ionic liquids'20128,188,267'Treatment of cellulose esters'20128,158,777'Cellulose esters and their production in halogenated ionic liquids'20128,153,782'Reformation of ionic liquids'20128,148,518'Cellulose esters and their production in carboxylated ionic liquids'20128,067,488'Cellulose solutions comprising tetraalkylammonium alkylphosphate and products produced therefrom'20117,919,631'Production of ionic liquids'20117,879,994'Cellulose interpolymers and method of oxidation'20117,276,546'Carbohydrate esters and polyol esters as plasticizers for polymers, compositions and articles including such plasticizers and methods of using the same'20077,189,798'Composition containing mixture of dihydroxybutane sulfonates'20076,977,275'Carbohydrate esters and polyol esters as plasticizers for polymers, compositions and articles including such plasticizers and methods of using the same'20056,667,397'Methods of preparing disaccharide and trisaccharide C6-C12 fatty acid esters with high alpha content and materials therefrom'20036,610,671'Cyclodextrin sulfonates, guest inclusion complexes methods of making the same and related materials'20036,589,760'Methods of separating a corn fiber lipid fraction from corn fiber'20036,586,212'Corn fiber for the production of advanced chemicals and materials: derivatizable cellulose and cellulose derivatives made therefrom'20036,562,938'Copolyesters and fibrous materials formed therefrom'20036,495,656'Copolyesters and fibrous materials formed therefrom'20026,479,467'Cyclodextrin ethers'20026,388,069'Corn fiber for the production of advanced chemicals and materials:arabinoxylan and arabinoxylan derivatives made therefrom'20026,352,845'Corn fiber for the production of advanced chemicals and materials: separation of monosaccharides and methods thereof'20026,342,304'Aliphatic aromatic copolyesters'20026,313,202'Cellulose ester blends'20016,309,509'Composition and paper comprising cellulose ester, alkylpolyglycosides, and cellulose'20016,268,028'Composition and paper comprising cellulose ester, alkylpolyglycosides, and cellulose'20016,228,895'Method for plasticizing a composition comprised of cellulose fiber and a cellulose ester'20016,193,841'Shaped, plastic articles comprising a cellulose fiber, a cellulose ester, and a non-ionic surfactant'20016,133,439'Environmentally non-persistant cellulose ester fibers'20006,077,945'Process for making alkylpolyglycosides'20005,970,988'Environmentally non-persistant cellulose ester fibers'19995,900,322'Aliphatic-aromatic copolyesters and cellulose ester/polymer blends'19995,625,029'Biodegradable poly (3-Hydroxyalkanoate) compositions and blends'19975,599,858'Aliphatic-aromatic copolyesters and cellulose ester/polymer blends'19975,597,912'Process for preparing cellulose esters by use of carboxylic acids'19975,594,068'Cellulose ester blends'19975,589,566'Copolyesters having repeat units derived from succinic acid'19965,580,911'Aliphatic-aromatic copolyesters and cellulose ester/polymer blends'19965,559,171'Aliphatic-aromatic copolyesters and cellulose ester/polymer blends'19965,552,515'Process for the production of poly(3-hydroxyalkanoates)'19965,498,453'Copolyesters having repeat units derived from succinic acid'19965,480,962'Copolyesters having repeat units derived from succinic acid'19965,446,079'Aliphatic-aromatic copolyesters and cellulose ester/polymer blends'19955,434,238'Copolyesters having repeat units derived from succinic acid'19955,391,708'Poly(3-hydroxyalkanoates)'19955,292,783'Aliphatic-aromatic copolyesters and cellulose ester/polymer blends'19945,142,034'Cellulose ester compositions and process for the preparation thereof'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2020Based in Bluff City, TN, US· patent location history
1995–2020Patents assigned to EASTMAN CHEM CO (64)· patent assignee history
2000–2018Based in Kingsport, TN, US· patent location history
2011–2018Patents assigned to BUCHANAN CHARLES MICHAEL (16)· patent assignee history
2011–2017Patents assigned to BUCHANAN NORMA LINDSEY (12)· patent assignee history
2011–2017Patents assigned to GUZMAN-MORALES ELIZABETH (6)· patent assignee history
2013–2018Patents assigned to DONELSON MICHAEL EUGENE (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EASTMAN CHEM CO641995–2020
BUCHANAN CHARLES MICHAELself162011–2018
BUCHANAN NORMA LINDSEY122011–2017
DONELSON MICHAEL EUGENE62013–2018
GUZMAN-MORALES ELIZABETH62011–2017
Locations
LocationPatentsSpan
Bluff City, TN, US391992–2020
Kingsport, TN, US272000–2018