Melt-processible poly(tetrafluoroethylene)

Stock material or miscellaneous articles – Composite – Of fluorinated addition polymer from unsaturated monomers

Reexamination Certificate

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C428S421000, C526S242000, C526S247000, C526S255000, C264S172170, C264S205000, C264S464000, C264S478000

Reexamination Certificate

active

10322779

ABSTRACT:
Melt-processible, thermoplastic poly(tetrafluoroethylene) (PTFE) compositions are disclosed and methods for making and processing same. Additionally, products comprising these compositions are described.

REFERENCES:
patent: 2946763 (1960-07-01), Bro et al.
patent: 3132123 (1964-05-01), Harris, Jr. et al.
patent: 3142665 (1964-07-01), Cardinal et al.
patent: 3635926 (1972-01-01), Gresham et al.
patent: 3655853 (1972-04-01), Gallup et al.
patent: 3770711 (1973-11-01), Hartig et al.
patent: 3953412 (1976-04-01), Saito et al.
patent: 3953566 (1976-04-01), Gore
patent: 3956000 (1976-05-01), Kuhls et al.
patent: 3962153 (1976-06-01), Gore
patent: 4029868 (1977-06-01), Carlson
patent: 4036802 (1977-07-01), Poirer
patent: 4064214 (1977-12-01), Fitzgerald
patent: 4078134 (1978-03-01), Kuhls et al.
patent: 4078135 (1978-03-01), Sulzbach et al.
patent: 4360488 (1982-11-01), Barham
patent: 4385026 (1983-05-01), Barham
patent: 4522995 (1985-06-01), Anderson et al.
patent: 4624990 (1986-11-01), Lunk et al.
patent: 4714756 (1987-12-01), Buckmaster et al.
patent: 4749752 (1988-06-01), Youlu et al.
patent: 4859836 (1989-08-01), Lunk et al.
patent: 4898779 (1990-02-01), Yoshimura et al.
patent: 5176958 (1993-01-01), Shimizu et al.
patent: 5317061 (1994-05-01), Chu et al.
patent: 5420191 (1995-05-01), Howard, Jr. et al.
patent: 5547761 (1996-08-01), Chapman, Jr. et al.
patent: 5603999 (1997-02-01), Namura et al.
patent: 5641571 (1997-06-01), Mayer et al.
patent: 5646223 (1997-07-01), Navarrini et al.
patent: 5709944 (1998-01-01), Kokumai et al.
patent: 5814405 (1998-09-01), Branca et al.
patent: 5822489 (1998-10-01), Hale
patent: 5874171 (1999-02-01), Wagner et al.
patent: 6060167 (2000-05-01), Morgan et al.
patent: 6066707 (2000-05-01), Colaianna et al.
patent: 6207275 (2001-03-01), Heffner et al.
patent: 6218000 (2001-04-01), Rudolf et al.
patent: 6265492 (2001-07-01), Lahijani
patent: 6531559 (2003-03-01), Smith et al.
patent: 6548612 (2003-04-01), Smith et al.
patent: 2003/0069343 (2003-04-01), Smith et al.
patent: 4112248 (1992-10-01), None
patent: 29718243 (1998-02-01), None
patent: 0010152 (1980-04-01), None
patent: 1000975 (2000-05-01), None
patent: 795361 (1958-05-01), None
patent: 1116210 (1968-06-01), None
patent: 94/02547 (1994-03-01), None
patent: 94/15998 (1994-07-01), None
patent: 97/43102 (1997-11-01), None
patent: 98/58105 (1998-12-01), None
patent: 98/58984 (1998-12-01), None
patent: 99/41313 (1999-08-01), None
patent: 00/08071 (2000-02-01), None
H.W. Starkweather, Jr., “The Effect of Heating Rate on the Melting of Polytetrafluoroethylene,” Journal of Polymer Physics: Polymer Physics Edition, 1985, vol. 23, pp. 1177-1185.
R. Endo et al., “Development of High Ductility and Tensile Properties by Two-Stage Draw of Poly(tetrafluoroethylene) Virgin Powder above the Static Melting Temperature,” Journal of Polymer Physics: Part B: Polymer Physics, 1998, vol. 36, pp. 1419-1422.
P. Smith and K.H. Gardner, “Dissolution of Poly(tetrafluoroethylene),” Macromolecules, 1985, vol. 18, pp. 1222-1228.
W.H. Tuminello et al., “Dissolving Poly(tetrafluoroethylene) in Low Boiling Halocarbons,” Journal of Applied Polymer Science, 1995, vol. 56, pp. 495-499.
W.H. Tuminello and G.T. Dee, “Thermodynamics of Poly(tetrafluoroethylene) Solubility,” Macromolecules, 1994, vol. 27, pp. 669-676.
W.H. Tuminello et al., “Dissolving Perfluoropolymers in Supercritical Carbon Dioxide,” Macromolecules, 1995, vol. 28, pp. 1506-1510.
M. Takenaga and K. Yamagata, “Evaluation of Number-Average Molecular Weight of Poly(tetrafluoroethylene) Irradiated with γ Rays,” Journal of Applied Polymer Science, 1981, vol. 26, pp. 1373-1382.
R. Endo et al., “Uniaxial Drawing of Polytetrafluoroethylene Virgin Powder by Extrusion Plus Cold tensile draw,” Journal of Polymer Physics: Part B: Polymer Physics, 1998, vol. 36, 2551-2562.
B. Chu et al., “Light-Scattering Characterization of Poly(tetrafluoroethylene). 2. PTFE in Perfluorotetracosane: Molecular Weight Distribution and Solution Properties,” Macromolecules, 1989, vol. 22, 831-837.
H. Okuyama et al., “Solid-State Deformation of Polytetrafluoroethylene Powder,” Journal of Materials Science, 1994, vol. 29, pp. 6485-6494.
Ulrich Scheler, “High-speed MAS-NMR investigations on radiation-modified fluoropolymers”, Solid State Nuclear Magnetic Resonance, 12 (1998), pp. 9-13.
R. Pucciariello et al., “Extreme Thermal Behavior of Polytetrafluoroethylene and Random Tetrafluoroethylene Fluorinated Copolymers”, Journal of Applied Polymer Science, vol. 73 (1999), p. 919-925.
A. Marigo et al., “Lamellar Morphology by Small-Angle X-ray Scattering Measurements in Some Perfluorinated Copolymers of Tetrafluoroethylene”, Macromolecules, vol. 29 (1996), p. 2197-2200.
G. Guerra et al., “Structural Variations in Random Copolymers of Tetrafluoroethylene with Kind and Content of Comonomer Units”, Polymer, vol. 39 No. 14 (1998), p. 3205-3209.
V. Villani et al., “Calorimetric Study of the Room-Temperature transitions of Tetrafluoroethylene-Hexafluoropropylene Copolymer: Thermal History and Crystalline State”, Thermochimica Acta, vol. 199 (1992), p. 247-254.
J. Runt et al., “Crystalline Homopolymer-Copolymer Blends: Poly(tetrafluoroethylene)-Poly(tetrafluoroethylene-co-perfluoroalkylvinyl ether),” Macromolecules, Apr. 1995, vol. 28, Nr. 5, pp. 2781-2786.
“About DuPont Zonyl Fluoroadditives”, 3 pages, printed from webpage http://www.dupont.com/teflon.fluoroadditives/about.html on Jul. 7, 1998.
“Why use Dupont Zonyl Fluoroadditives”, 2 pages, printed from webpage http://www.dupont.com/teflon.fluoroadditives/whydupont.html on Jul. 7, 1998.
Zonyl “Sales Specifications”, 5 pages, printed from webpage http://www.dupont.com/teflon.fluoroadditives/products/salespec.html on Jul. 7, 1998.
“‘Zonyl’ Fluroadditives all in synonym list zon002” (material safety data sheets), 7 pages, printed from webpage http://www.dupont.com/teflon.fluoroadditives/products/msds/zon002.html on Jul. 7, 1998.
“Zonyl MP 1000” (description), 1 page, Apr. 1996 (printed in Switzerland).
“MP 1000”, 3 pages, printed from webpage http://www.dupont.com/teflon.fluoroadditives/products/mp1000.html on Jul. 7, 1998.
“Zonyl MP 1200” promotional sheet, Apr. 1996 (printed in Switzerland).
“MP 1200” Technical Information, 3 pages, printed from webpage http://www.dupont.com/teflon.fluoroadditives/products/mp1200.html on Jul. 7, 1998.
“Zonyl MP 1300” promotional sheet, Apr. 1996 (printed in Switzerland).
“MP 1300” Technical Information, 2 pages, printed from webpage http://www.dupont.com/teflon.fluoroadditives/products/mp1300.html on Jul. 7, 1998.
“Zonyl MP 1400” promotional sheet, Apr. 1996 (printed in Switzerland).
“MP 1400” Technical Information, 2 pages, printed from webpage http://www.dupont.com/teflon.fluoroadditives/products/mp1400.html on Jul. 7, 1998.
“Zonyl MP 1500” promotional sheet, Apr. 1996 (printed in Switzerland).
“MP 1500J” Technical Information, 2 pages, printed from webpage http://www.dupont.com/teflon.fluoroadditives/products/mp1500j.html on Jul. 7, 1998.
“Zonyl MP 1600” promotional sheet, Apr. 1996 (printed in Switzerland).
“MP 1600N” Technical Information, 3 pages, printed from webpage http://www.dupont/com/teflon.fluoroadditives/products/mp1600n.html on Jul. 7, 1998.
J. Schreirs Ed., “Modern Fluoropolymers”, Wiley (New York), 1997, Chapter 11, pp. 223-237.
J. Schreirs Ed., “Modern Fluoropolymers”, Wiley (New York), 1997, Chapter 12, pp. 239-255.
J. Schreirs Ed., “Modern Fluoropolymers”, Wiley (New York), 1997, Chapter 21, pp. 373-396.
J. Schreirs Ed., “Modern Fluoropolymers”, Wiley (New York), 1997, Chapter 22, pp. 397-41

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