1
Richard Alan Morgan, Clay Woodward Jones, Theodore Treat, Jeffrey A Hrivnak: Polymerization of fluoromonomers. E I du Pont de Nemours and Company, May 28, 2002: US06395848 (86 worldwide citation)

Aqueous dispersion polymerization of fluoromonomers is improved by using a combination of fluorosurfactants, one of which is a perfluoropolyether carboxylic acid or sulfonic acid or salt of either.


2
Richard Alan Morgan, Clay Woodward Jones, Theodore Arthur Treat, Jeffrey A Hrivnak: Polymerization of fluoromonomers. E I du Pont de Nemours & Company, August 6, 2002: US06429258 (81 worldwide citation)

Aqueous dispersion polymerization of fluoromonomers is improved by using a combination of fluorosurfactants, one of which is a perfluoropolyether carboxylic acid or salt.


3
Clay Woodward Jones, Walter Thomas Krakowiak: Core-shell fluoropolymer dispersions. E I du Pont de Nemours and Company, January 11, 2005: US06841594 (49 worldwide citation)

A dispersion of non-melt-processible fluoropolymer particles having an SSG of less than about 2.225 in aqueous medium. The fluoropolymer particles comprise a core of high molecular weight polytetrafluoroethylene having an average melt creep viscosity greater than about 1.5×1010 Pa·s and a shell of l ...


4
Robert John Cavanaugh, Clay Woodward Jones, Kazuo Konabe, Daniel N Levy, Philippe Andre Fernand Thomas, Theodore A Treat: Concentrated fluoropolymer dispersions. E I du Pont de Nemours and Company, October 18, 2005: US06956078 (29 worldwide citation)

An aqueous dispersion composition of about 30 to about 70 weight % non-melt-processible fluoropolymer particles having a standard specific gravity (SSG) of less than 2.225 and about 2 to about 11 weight % surfactant based on the weight of said fluoropolymer comprising a compound or mixture of compou ...


5
Ralph Munson Aten, Clay Woodward Jones, Allan Harold Olson: Tetrafluoroethylene copolymer. E I du Pont de Nemours and Company, August 3, 1999: US05932673 (23 worldwide citation)

Copolymers of tetrafluoroethylene and perfluoro(ethyl vinyl ether) having perfluoro(ethyl vinyl ether) content of at least 3 wt % exhibit excellent toughness even at melt viscosities of no greater than 25.times.10.sup.3 Pa.s. The copolymers can advantageously be made by aqueous dispersion copolymeri ...


6
Clay Woodward Jones, Ta Wei Fu: Fluorinated carboxylic acid recovery and reuse. E I du Pont de Nemours and Company, April 13, 2004: US06720437 (19 worldwide citation)

Fluorinated carboxylic acid, used as a surfactant in fluoropolymerization in aqueous media, can be recovered by scrubbing from the exhaust gas of the dryer during polymer drying and, after concentration and treatment with alumina, directly reused in fluoropolymerization in aqueous media.


7
Clay Woodward Jones: Process for polymerizing tetrafluoroethylene. E I du Pont de Nemours and Company, October 24, 2000: US06136933 (14 worldwide citation)

Dispersion polymerization of tetrafluoroethylene to make polytetrafluoroethylene or modified polytetrafluoroethylene is initiated at low temperature and is completed at higher temperature in the presence of liquid saturated hydrocarbon.


8
Ralph Munson Aten, Clay Woodward Jones, Allan Harold Olson: Tetrafluoroethylene copolymer. E I du Pont de Nemours and Company, June 2, 1998: US05760151 (14 worldwide citation)

Copolymers of tetrafluoroethylene and perfluoro(ethyl vinyl ether) having perfluoro(ethyl vinyl ether) content of at least 3 wt % exhibit excellent toughness even at melt viscosities of no greater than 25.times.10.sup.3 Pa.s. The copolymers can advantageously be made by aqueous dispersion copolymeri ...


9
Clay Woodward Jones: Fluoromonomer/functionalized hydrocarbon monomer copolymerization process and copolymer product. E I du Pont de Nemours and Company, January 27, 1998: US05712355 (7 worldwide citation)

Amorphous copolymer of fluoromonomer, such as tetrafluoroethylene, with vinyl ester, such as vinyl acetate, having a substantially uniform composition is made by aqueous dispersion polymerization by maintaining essentially constant the proportion of the fluoromonomer and vinyl ester copolymerizing w ...


10
Clay Woodward Jones: Fluoromonomer/functionalized hydrocarbon monomer copolymerization process and copolymer product. E I du Pont de Nemours and Company, March 3, 1998: US05723556 (4 worldwide citation)

Amorphous copolymer of fluoromonomer, such as tetrafluoroethylene, with vinyl ester, such as vinyl acetate, having a substantially uniform composition is made by aqueous dispersion polymerization by maintaining essentially constant the proportion of the fluoromonomer and vinyl ester copolymerizing w ...