1
John E Hrivnak, Robert J Gartland: Heat setting a thermoformed PET article utilizing a male plug as a constraint. The Goodyear Tire & Rubber Company, Daniel J Hudak, Bruce Hendricks, June 14, 1983: US04388356 (30 worldwide citation)

A process and apparatus for manufacturing a polyester container having good clarity and dimensional stability and which can be used in hot-fill food package manufacture and/or in making a container for reheating or heating the contents within. In particular, this process and apparatus is a deep stre ...


2
Lawrence E Shelley: Process for charging dry terephthalic acid into a reactor. The Goodyear Tire & Rubber Company, D J Hudak, Bruce Hendricks, December 21, 1982: US04365078 (28 worldwide citation)

This invention concerns a method of charging dry terephthalic acid into a reactor which may contain glycol and be under elevated pressure and elevated temperature. According to the invention a suspension of terephthalic acid in a gas such as nitrogen is formed and this suspension is charged into the ...


3
William O Deeken: Method for the elimination of circumferential stress cracks in spun polyesters. The Goodyear Tire & Rubber Company, Bruce Hendricks, D J Hudak, March 1, 1983: US04375444 (21 worldwide citation)

A method for the elimination of circumferential stress cracks that occur during production of spun polyesters is provided. The cracks are eliminated by the use of an organic solvent miscible with the lubricating emulsion applied during the finish operation before draw twisting of the spun polyester. ...


4
Fred L Massey, Douglas D Callander: Composition and process for making a green colored polyester. The Goodyear Tire & Rubber Company, Bruce Hendricks, D J Hudak, February 22, 1983: US04374949 (20 worldwide citation)

Specific color imparting compounds, including pigments and catalysts are used to produce a polyester resin having a green color. The compounds are added during polymerization of the polymer and the resins produced can be utilized to make various containers or packages to hold liquids or solids.


5
Ben Duh: Process for the production of high molecular weight polyester. The Goodyear Tire & Rubber Company, Bruce Hendricks, February 22, 1983: US04374975 (17 worldwide citation)

A process for the continuous production of high molecular weight polyethylene terephthalate wherein the crystallized prepolymer having an intrinsic viscosity of at least 0.3 is dried, preheated and polymerized in a single moving bed reaction zone. The method is characterized by an inert gas atmosphe ...


6
John C Bernhardt: Polyethylene terephthalate having a reduced acetaldehyde generation rate. The Goodyear Tire & Rubber Company, Bruce Hendricks, November 30, 1982: US04361681 (13 worldwide citation)

This invention relates to a high molecular weight polyethylene terephthalate composition comprised of a plurality of polyester chains wherein a substantial number of said chains have at least one end group corresponding to a formula selected from the group consisting of ##STR1## said composition hav ...


7
William C T Tung: High melt strength elastometric copolyesters. The Goodyear Tire & Rubber Company, Daniel J Hudak, Bruce Hendricks, June 28, 1983: US04390687 (12 worldwide citation)

An elastomeric copolyester resin having high melt strength and capable of being blow-molded. The copolyester resin is made by adding to the polymerizing or initial mixture small amounts of an alkali salt of a dialkyl sulfoisophthalate. The copolyester resin contains units of terephthalic acid, butan ...


8
Fred L Massey, Douglas D Callander: Composition and process for making a green colored polyester. The Goodyear Tire & Rubber Company, D J Hudak, Bruce Hendricks, December 21, 1982: US04365031 (8 worldwide citation)

Specific color imparting compounds, including pigments and catalysts are used to produce a polyester resin having a green color. The compounds are added during polymerization of the polymer and the resins produced can be utilized to make various containers or packages to hold liquids or solids.


9
Paul L Heater: Process to induce rapid curing of a copolyester resin with epoxide compounds and a composition formed for that process. The Goodyear Tire & Rubber Company, D J Hudak, Bruce Hendricks, January 25, 1983: US04370452 (6 worldwide citation)

A copolyester resin having modified carboxyl terminated ends is disclosed, as well as the method for making and using that compound with epoxide curing compounds in powder coating resins for substrates. The polymerization of the copolyester resin contains a reactor compounding stage which permits th ...


10
William G Perkins, Clem B Schriver: Novel process for deep stretch forming of polyesters. The Goodyear Tire & Rubber Company, Bruce Hendricks, November 9, 1982: US04358492 (6 worldwide citation)

A deep stretch forming process for producing low distortion, biaxially oriented, heat set, hermetically sealable hollow containers of high molecular weight saturated linear polyesters comprised of deep stretching an injection molded heated contoured preform into a hollow die by means of a heated for ...