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David R Fagerburg, Finley E McFarlane: Process for the preparation of sulfo-modified polyesters. Eastman Kodak Company, Clyde L Tootle, Gary C Bailey, J Frederick Thomsen, February 12, 1985: US04499262 (32 worldwide citation)

Disclosed is a process for preparing sulfo-modified polyesters having an inherent viscosity of about 0.3 to about 0.9 and characterized by an improved planar stretch ratio relative to a given inherent viscosity, an improved rate of acetaldehyde generation relative to a given planar stretch ratio and ...


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David R Fagerburg, Winston J Jackson Jr: Hydroxyl-terminated polyether-esters. Eastman Kodak Company, Clyde L Tootle, David E Cotey, J Frederick Thomsen, March 5, 1985: US04503216 (20 worldwide citation)

The present invention provides substantially difunctional hydroxyl-terminated polyether-esters and a process for preparing the same. The process comprises reacting ethylene carbonate with a substituted or unsubstituted epsilon-caprolactone in the presence of a catalytic amount of a specified catalys ...


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David R Fagerburg: Flexible polyester having a melting point of at least 140.degree. C.. Eastman Kodak Company, Charles R Martin, Daniel B Reece, August 30, 1977: US04045431 (18 worldwide citation)

Disclosed is a polyester comprised of 1,4-cyclohexanedimethanol, a major portion of 1,4-cyclohexanedicarboxylic acid and a minor portion of dimer acid. Films of this polyester exhibit an unobvious combination of flexibility and high melting point and are particularly adapted for packaging applicatio ...


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David R Fagerburg, Freddie A Shepherd, Benny W Wright, I Daniel Sand: Bonding compositions and shaped articles utilizing the bonding compositions. Eastman Kodak Company, William P Heath Jr, Daniel B Reece III, November 13, 1984: US04482588 (14 worldwide citation)

Bonding compositions for bonding polyesters or copolyesters to poly(vinyl alcohol) or copolymers thereof, the composition comprising a poly(esteramide) having an inherent viscosity of at least 0.8 dl/g, said poly(esteramide) containing repeating units from 70 to 90 mol percent of a dicarboxylic acid ...


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David R Fagerburg, Mark Rule, Joseph J Watkins, Paul B Lawrence: Preparation of low color copoly(arylene sulfide) by heating copoly(arylene sulfide). Eastman Kodak Company, Charles R Martin, William P Heath Jr, July 31, 1990: US04945155 (14 worldwide citation)

A process comprising heating for a sufficient period of time and at a temperature in the range of the glass transition temperature of the polymer to 5 degrees C below the melting point of the polymer, a solid, comminuted, copoly(arylene sulfide) prepared by reacting at a polymer producing temperatur ...


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David R Fagerburg, Abraham J Cox: Process for substantially increasing the flexibility of a polyester. Eastman Kodak Company, William P Heath Jr, Daniel B Reece III, May 22, 1979: US04155889 (12 worldwide citation)

Disclosed is a process for substantially increasing the flexibility of a polyester by annealing the polyester. The polyester is either a dimer acid or a poly(alkylene oxide)glycol modified poly(1,4-cyclohexylenedimethylene-1,4-cyclohexanedicarboxylate).


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