Patents Represented by Attorney Mark A. Montgomery

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  • Water-dispersible adhesive blend composition
    Patent number: 5552495
    Abstract: Disclosed is a water-dissipatable or dispersible adhesive composition that is useful in forming paper articles and other products that can be recycled through repulping in both neutral and alkaline media. The water-dispersible adhesive composition is preferably a hot melt adhesive that is a low molecular weight, branched copolyester containing a sulfomonomer. Additional utility for the invention resides in the manufacture of recyclable articles where insolubility in body fluids combined with solubility in tap water are required.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: September 3, 1996
    Assignee: Eastman Chemical Company
    Inventors: Richard A. Miller, Theron E. Parsons, III, Mark A. Montgomery
  • Process for applying a water-dispersible adhesive composition
    Patent number: 5552511
    Abstract: Disclosed is a water-dissipatable or dispersible adhesive composition that is useful in forming paper articles and other products that can be recycled through repulping in both neutral and alkaline media. The water-dispersible adhesive composition is preferably a hot melt adhesive that is a low molecular weight, branched copolyester containing a sulfomonomer. Additional utility for the invention resides in the manufacture of recyclable articles where insolubility in body fluids combined with solubility in tap water are required.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: September 3, 1996
    Assignee: Eastman Chemical Company
    Inventors: Richard A. Miller, Scott E. George, Alicia E. Barrett, Theron E. Parsons, III
  • Process for the production of poly(3-hydroxyalkanoates)
    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
  • Process for the maleation of polyethylene waxes
    Patent number: 5551974
    Abstract: A process for the preparation of a maleated polyethylene wax is disclosed. This process entails mixing in the melt phase polyethylene, maleic anhydride, free radical initiator and a chain transfer agent m-di-isopropylbenzene. This process can be a continuous process either in a stirred reactor or twin screw extruder. The resulting maleated polyethylene wax has a high acid number, essentially no objectionable odor, and a Gardner color number less than 3.
    Type: Grant
    Filed: October 16, 1995
    Date of Patent: September 3, 1996
    Assignee: Eastman Chemical Company
    Inventors: Thomas D. Roberts, Kerry D. Muhlestein, Greg T. Slemons
  • Water-dispersible adhesive composition and process
    Patent number: 5543488
    Abstract: Disclosed is a water-dissipatable or dispersible adhesive composition that is useful in forming paper articles and other products that can be recycled through repulping in both neutral and alkaline media. The water-dispersible adhesive composition is preferably a hot melt adhesive that is a low molecular weight, branched copolyester containing a sulfomonomer. Additional utility for the invention resides in the manufacture of recyclable articles where insolubility in body fluids combined with solubility in tap water are required.
    Type: Grant
    Filed: July 29, 1964
    Date of Patent: August 6, 1996
    Assignee: Eastman Chemical Company
    Inventors: Richard A. Miller, Scott E. George, Theron E. Parsons, III, Mark A. Montgomery
  • Process for low temperature heat sealing of polyethylene
    Patent number: 5536542
    Abstract: A process of producing a heat sealed extrusion coated polyethylene article is disclosed. This process entails heat sealing, at a temperature below 95.degree. C. two opposing extrusion coated polyethylene laminate surfaces thereby welding the surfaces to effect a heat seal. The polyethylene has a narrow molecular weight distribution, a low melt index, a low swell ratio, and a polydispersity index below 5.
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: July 16, 1996
    Assignee: Eastman Chemical Company
    Inventors: Bruce A. Gillespie, Ray Edwards, Bruce W. Foster
  • Water-dissipatable alkyd resins and coatings prepared therefrom
    Patent number: 5530059
    Abstract: Disclosed is a water-dissipatable alkyd resin containing a sulfonate group. The alkyd resin is prepared by reacting at least one monoglyceride, a polycarboxylic acid, and a polyol sulfomonomer adduct containing at least one sulfonate group. The alkyd resin is useful to prepare cross-linked coatings such as obtained with oil based paints.
    Type: Grant
    Filed: November 25, 1994
    Date of Patent: June 25, 1996
    Inventors: William W. Blount, Jr., Thauming Kuo
  • Catalysts and synthesis of high molecular weight amorphous polyolefins and recovery thereof
    Patent number: 5521263
    Abstract: A process for the production of amorphous polyolefins is disclosed. The process entails contacting the olefin monomer, in an unreactive hydrocarbon solvent, with a catalyst in a recirculated, stirred reactor thereby producing amorphous polyolefin. The reactor is capable of recirculating contents that are very viscous.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: May 28, 1996
    Assignee: Eastman Chemical Company
    Inventors: Horst K. Seeger, Robert E. Holliday
  • Nutritive glycerol esters of .beta.-acyloxy butyrates
    Patent number: 5519161
    Abstract: Novel compositions that are useful as nutrients are disclosed. These compounds are preferably water soluble parenteral nutrients and are glycerol esters of .beta.-acyloxybutyrates of the formula ##STR1## wherein each R is the same or different and is hydrogen, or --COCH.sub.2 CHOR'CH.sub.3), provided that at least one R is not hydrogen and wherein R' is a linear acid ester of even carbon number from 2 to 20 carbons. These compositions are useful as a substitute for glucose in feeding.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: May 21, 1996
    Inventors: Ronald H. Birkhahn, Robert J. Clemens, Charles A. McCombs, John C. Hubbs
  • Polyolefin-extrusion coating compositions having good coatability, good adhesion to the substrate, and good chill roll release
    Patent number: 5512370
    Abstract: Disclosed is a novel polyethylene composition that is a blend of a polyethylene component having defined properties, a specific quantity of a defined tackifying resin and a very specific minute quantity of a unique amide of a fatty acid. The novel composition can be used in a process for extrusion coating at high speeds and relatively low extrusion coating temperatures with good adhesion to the substrate and dramatically improved chill roll release.
    Type: Grant
    Filed: February 7, 1995
    Date of Patent: April 30, 1996
    Assignee: Eastman Chemical Company
    Inventors: Ray Edwards, Bruce W. Foster
  • Polypropylene laminates
    Patent number: 5510180
    Abstract: A multi-layer laminate containing a layer of a polypropylene material permanently bonded to an imine primed substrate is disclosed. This laminate contains a layer that is a blend of maleated high molecular weight polypropylene/low density polyethylene and a second layer that is substrate, such as nylon, that is primed with an imine primer such as polyethyleneimine.
    Type: Grant
    Filed: September 23, 1993
    Date of Patent: April 23, 1996
    Assignee: Eastman Chemical Company
    Inventors: Yao-Ching Liu, Ray Edwards
  • Modified polyethylene based hot-melt adhesives for use in packaging
    Patent number: 5458982
    Abstract: Hot-melt adhesive compositions useful for packaging are disclosed. These hot-melt adhesive compositions are based on modified polyethylene and contain an ethylene-alkylacrylate copolymer, a polyethylene graft copolymer, a tackifying resin, and a high-melting low viscosity wax. The hot-melt adhesive compositions disclosed have fast setting times and a novel combination of desired properties with good high and low temperature bond strength.
    Type: Grant
    Filed: November 25, 1994
    Date of Patent: October 17, 1995
    Assignee: Eastman Chemical Company
    Inventor: Darryl A. Godfrey
  • Urea derivatives of maleated polyolefins
    Patent number: 5455304
    Abstract: Compositions are disclosed that are the urea derivatives of succinylated polyolefins (maleated polyolefins). The urea derivatives of succinylated polyolefins are of the formula; ##STR1## wherein R is a polyolefin attached at any point along the hydrocarbon chain. The urea derivative of succinylated polyolefins is useful as a coupling agent to couple polyolefins with dissimilar polymers having an excess of unreacted acid groups such as polyesters.
    Type: Grant
    Filed: February 27, 1995
    Date of Patent: October 3, 1995
    Assignee: Eastman Chemical Company
    Inventor: Thomas D. Roberts
  • Aqueous additive systems, methods and polymeric particles
    Patent number: 5443910
    Abstract: Aqueous application systems for applying additives to polymeric particles, methods of preparing aqueous emulsions which include at least one processing, stabilizing or other functional polymer additive and an emulsifiable wax. Also disclosed are methods of applying additives to polymeric particles and to polymeric particles treated by such methods.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: August 22, 1995
    Assignee: Eastman Chemical Company
    Inventors: William C. Gose, Kenneth W. Hyche
  • Polypropylene-graft-unsaturated polyester compositions and process for the production thereof
    Patent number: 5432230
    Abstract: A propylene-graft-unsaturated polyester is disclosed comprising the reaction product of a polypropylene, an unsaturated polyester and a free radical initiator. The polypropylene-graft-unsaturated polyester is generally prepared by reacting at elevated temperatures using a peroxide. The polypropylene-graft-unsaturated polyester is very useful as a compatibilizing agent in blends of polyester and ethylene-propylene rubber to improve the impact strength of the polyester.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: July 11, 1995
    Assignee: Eastman Chemical Company
    Inventors: Jeffrey J. Vanderbilt, Max F. Meyer, Jr.
  • Parenteral nutrients based on watersoluble glycerol bisacetoacetates
    Patent number: 5420335
    Abstract: Novel parenteral nutrient compositions are disclosed. These compositions are sterile aqueous solutions containing an effective amount of at least one glycerol bisacetoacetate of the formula: ##STR1## wherein one R group is hydrogen, and two R groups are --COCH.sub.2 COCH.sub.3). These compositions are useful as a substitute for glucose in intravenous feeding.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: May 30, 1995
    Inventors: Ronald H. Birkhahn, Robert J. Clemens, John C. Hubbs
  • Process for the maleation of polyethylene waxes
    Patent number: 5420303
    Abstract: A process for the preparation of a maleated polyethylene wax is disclosed. This process entails mixing in the melt phase polyethylene, maleic anhydride, free radical initiator and a chain transfer agent m-di-isopropylbenzene. This process can be a continuous process either in a stirred reactor or twin screw extruder. The resulting maleated polyethylene wax has a high acid number, essentially no objectionable odor, and a Gardner color number less than 3.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: May 30, 1995
    Assignee: Eastman Chemical Company
    Inventors: Thomas D. Roberts, Kerry D. Muhlestein, Greg T. Slemons
  • Aqueous dispersion useful in coatings containing hydrolyzed cellulose ester and acrylic resin
    Patent number: 5418014
    Abstract: A stable aqueous dispersion and process for making the dispersion are provided containing hydrolyzed cellulose ester, organic solvent, water and acrylic resin having free acid functionalities that are at least partially neutralized. The dispersion is useful in coatings and can also contain surfactant and cross-linking agent.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: May 23, 1995
    Assignee: Eastman Chemical Company
    Inventors: Chung M. Kuo, Larry G. Curtis, Paul L. Lucas
  • Continuous process for the oxidation of polyethylene
    Patent number: 5401811
    Abstract: Disclosed is a process for the solid state oxidation of particulate polyethylene. This oxidation process entails continuously introducing a free radical initiator, an oxygen containing gas, and particulate polyethylene into a reactor into an agitated bed that is filled with a majority of a particulate oxidized polyethylene that acts as seed. This process dramatically reduces the residence time of the oxidation of particulate polyethylene by introducing a minor amount of fresh, unoxidized particulate polyethylene into a bed of particulate oxidized polyethylene.
    Type: Grant
    Filed: May 3, 1994
    Date of Patent: March 28, 1995
    Assignee: Eastman Chemical Company
    Inventor: Richard K. Stuart, Jr.
  • Urea derivatives of maleated polyolefins
    Patent number: 5393824
    Abstract: Compositions are disclosed that are the urea derivatives of succinylated polyolefins (maleated polyolefins). The urea derivatives of succinylated polyolefins are of the formula; ##STR1## wherein R is a polyolefin attached at any point along the hydrocarbon chain. The urea derivative of succinylated polyolefins is useful as a coupling agent to couple polyolefins with dissimilar polymers having an excess of unreacted acid groups such as polyesters.
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: February 28, 1995
    Assignee: Eastman Chemical Company
    Inventor: Thomas D. Roberts