Patents by Inventor Alan W. White

Alan W. White has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6562938
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, nonwovens, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: May 13, 2003
    Assignee: Eastman Chemical Company
    Inventors: William A. Haile, Leron R. Dean, Richard L. McConnell, Mark E. Tincher, Alan W. White, Charles M. Buchanan
  • Patent number: 6495656
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, nonwovens, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: December 17, 2002
    Assignee: Eastman Chemical Company
    Inventors: William A. Haile, Leron R. Dean, Richard L. McConnell, Mark E. Tincher, Alan W. White, Charles M. Buchanan
  • Publication number: 20020132960
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, nonwovens, molded objects, and films prepared therefrom.
    Type: Application
    Filed: December 20, 2001
    Publication date: September 19, 2002
    Applicant: Eastman Chemical Company
    Inventors: William A. Haile, Leron R. Dean, Richard L. McConnell, Mark E. Tincher, Alan W. White, Charles M. Buchanan
  • Patent number: 6342304
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: January 29, 2002
    Assignee: Eastman Chemical Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Matthew D. Wood, Alan W. White, Steven C. Gedon, Fred D. Barlow, Jr.
  • Patent number: 6313202
    Abstract: This invention relates to a blend comprising (a) about 2% to about 98% by weight of at least one ester of cellulose comprising an alkanoyl chain having from about 1 to about 10 carbon atoms, and having at a D.S. of about 2.3 to about 3.0, and an inherent viscosity of about 0.2 to about 3.0 deciliters/gram as measured at a temperature of 25° C. for a 0.5 g sample in 100 ml of a 60/40 parts by weight solution of phenol/tetrachloroethane, and (b) about 98% to about 2% by weight of at least one ester of cellulose comprising an alkanoyl chain having from about 1 to about 10 carbon atoms, and having a D.S. of about 1.5 to about 2.2, and an inherent viscosity of about 0.2 to about 3.0 deciliters/gram as measured at a temperature of 25° C. for a 0.5 g sample in 100 ml of a 60/40 parts by weight solution of phenol/tetrachloroethane, said percentages being based on the weight of component (a) plus component (b).
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: November 6, 2001
    Assignee: Eastman Chemical Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Alan W. White, Matthew D. Wood
  • Patent number: 5900322
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: December 10, 1996
    Date of Patent: May 4, 1999
    Assignee: Eastman Chemical Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Matthew D. Wood, Alan W. White, Steven C. Gedon, Fred D. Barlow, Jr.
  • Patent number: 5725944
    Abstract: Disclosed are poly(ethylene-co-diethylene terephthalate) polyesters useful for making thin films. The polyesters have a diethylene glycol repeat unit component of about 10-30 mol %. These polymers can be converted into thin films and are useful as protective barrier films, especially in packaging applications. These copolyesters can be used to make biaxially oriented films for metal lamination.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: March 10, 1998
    Assignee: Eastman Chemical Company
    Inventors: Allan S. Jones, Alan W. White
  • Patent number: 5625029
    Abstract: Novel poly(3-hydroxyalkanoates), such as poly(3-hydroxybutyrate), and blends of these with other polymers are disclosed. A novel process for producing these poly(3-hydroxyalkanoates) is also disclosed which entails polymerizing one or more .beta.-substituted-.beta.-propiolactone(s) under polymerization conditions in the substantial absence of water in the presence of an anionic initiator.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: April 29, 1997
    Assignee: Eastman Chemical Company
    Inventors: John C. Hubbs, Marti N. Harrison, Steven Gedon, Charles Buchanan, Robert M. Gardner, Douglas C. Hoffman, Alan W. White
  • Patent number: 5599858
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: February 4, 1997
    Assignee: Eastman Chemical Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Matthew D. Wood, Alan W. White, Steven C. Gedon, Fred D. Barlow, Jr.
  • Patent number: 5594068
    Abstract: This invention relates to a blend comprising(a) about 2% to about 98% by weight of at least one ester of cellulose comprising an alkanoyl chain having from about 1 to about 10 carbon atoms, and having at a D.S. of about 2.3 to about 3.0, and an inherent viscosity of about 0.2 to about 3.0 deciliters/gram as measured at a temperature of 25.degree. C. for a 0.5 g sample in 100 ml of a 60/40 parts by weight solution of phenol/tetrachloroethane, and(b) about 98% to about 2% by weight of at least one ester of cellulose comprising an alkanoyl chain having from about 1 to about 10 carbon atoms, and having a D.S. of about 1.5 to about 2.2, and an inherent viscosity of about 0.2 to about 3.0 deciliters/gram as measured at a temperature of 25.degree. C. for a 0.5 g sample in 100 ml of a 60/40 parts by weight solution of phenol/tetrachloroethane, said percentages being based on the weight of component (a) plus component (b).
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: January 14, 1997
    Assignee: Eastman Chemical Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Alan W. White, Matthew D. Wood
  • Patent number: 5589566
    Abstract: This invention relates to aliphatic copolyesters prepared from succinic acid (or derivatives thereof) and a process for the preparation thereof. The aliphatic copolyesters contain a second component, 1,4-butanediol, and a third component which is either a diacid or a diol (or derivatives thereof).
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: December 31, 1996
    Assignee: Eastman Chemical Company
    Inventors: Alan W. White, Barry G. Pearcy, Allan S. Jones, Charles M. Buchanan, Robert M. Gardner
  • Patent number: 5580911
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: December 3, 1996
    Assignee: Eastman Chemical Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Matthew D. Wood, Alan W. White, Steven C. Gedon, Fred D. Barlow, Jr.
  • Patent number: 5559171
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: September 24, 1996
    Assignee: Eastman Chemical Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Matthew D. Wood, Alan W. White, Steven C. Gedon, Fred D. Barlow, Jr.
  • Patent number: 5552515
    Abstract: Novel poly(3-hydroxyalkanoates), such as poly(3-hydroxybutyrate), and blends of these with other polymers are disclosed. A novel process for producing these poly(3-hydroxyalkanoates) is also disclosed which entails polymerizing one or more .beta.-substituted-.beta.-propiolactone(s) under polymerization conditions in the substantial absence of water in the presence of an anionic initiator.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: September 3, 1996
    Assignee: Eastman Chemical Company
    Inventors: John C. Hubbs, Marti N. Harrison, Charles Buchanan, Alan W. White
  • Patent number: 5498453
    Abstract: This invention relates to aliphatic copolyesters prepared from succinic acid (or derivatives thereof) and a process for the preparation thereof. The aliphatic copolyesters contain a second component, 1,4-butanediol, and a third component which is either a diacid or a diol (or derivatives thereof).
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: March 12, 1996
    Assignee: Eastman Chemical Company
    Inventors: Alan W. White, Barry G. Pearcy, Allan S. Jones, Charles M. Buchanan, Robert M. Gardner
  • Patent number: 5480962
    Abstract: This invention relates to aliphatic copolyesters prepared from succinic acid (or derivatives thereof) and a process for the preparation thereof. The aliphatic copolyesters contain a second component, 1,4-butanediol, and a third component which is either a diacid or a diol (or derivatives thereof).
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: January 2, 1996
    Assignee: Eastman Chemical Company
    Inventors: Alan W. White, Barry G. Pearcy, Allan S. Jones, Charles M. Buchanan, Robert M. Gardner
  • Patent number: 5446079
    Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: August 29, 1995
    Assignee: Eastman Chemical Company
    Inventors: Charles M. Buchanan, Robert M. Gardner, Alan W. White
  • Patent number: 5434238
    Abstract: This invention relates to aliphatic copolyesters prepared from succinic acid (or derivatives thereof) and a process for the preparation thereof. The aliphatic copolyesters contain a second component, 1,4-butanediol, and a third component which is either a diacid or a diol (or derivatives thereof).
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: July 18, 1995
    Assignee: Eastman Chemical Company
    Inventors: Alan W. White, Barry G. Pearcy, Allan S. Jones, Charles M. Buchanan, Robert M. Gardner
  • Patent number: 5434236
    Abstract: This invention relates to a polyester comprising repeating units having the structure: ##STR1## wherein R.sup.1 is selected from the group consisting of hydrogen, alkyl having 1 to 6 carbon atoms and aryl having 6 to 10 carbon atoms and R.sup.2 is selected from the group consisting of hydrogen, alkyl having 1 to 6 carbon atoms, and aryl having 6 to 10 carbon atoms.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: July 18, 1995
    Inventors: Alan W. White, Joseph R. Zoeller
  • Patent number: 5395692
    Abstract: This invention relates to a polyester comprising repeating units having the structure: ##STR1## wherein R.sup.1 is selected from the group consisting of hydrogen, alkyl having 1 to 6 carbon atoms and aryl having 6 to 10 carbon atoms and R.sup.2 is selected from the group consisting of hydrogen, alkyl having 1 to 6 carbon atoms, and aryl having 6 to 10 carbon atoms.
    Type: Grant
    Filed: May 6, 1994
    Date of Patent: March 7, 1995
    Assignee: Eastman Chemical Company
    Inventors: Alan W. White, Joseph R. Zoeller