1
Sheldon Kavesh, Dusan C Prevorsek: High tenacity, high modulus polyethylene and polypropylene fibers and intermediates therefore. Allied Corporation, Alan M Doernberg, Gerhard H Fuchs, Roy H Massengill, November 1, 1983: US04413110 (303 worldwide citation)

Solutions of ultrahigh molecular weight polymers such as polyethylene in a relatively non-volatile solvent are extruded through an aperture at constant concentration through the aperture and cooled to form a first gel of indefinite length. The first gels are extracted with a volatile solvent to form ...


2
Dusan C Prevorsek, Yali Kesten: Bisphenol-A/terephthalate/carbonate melt processable copolymers. Allied Chemical Corporation, Robert A Harman, May 22, 1979: US04156069 (178 worldwide citation)

Copolymers consisting of bisphenol-A ("BPA"), terephthalate ("TP"), and carbonate moieties in mol ratio from 2:0.8:1.2 to 2:1.3:0.7, which are melt processable in the sense of (a) showing no more than 10% change in viscosity number upon compression molding for 10 minutes at 320.degree. C. to form a ...


3
Gary A Harpell, Sheldon Kavesh, Igor Palley, Dusan C Prevorsek: Ballistic-resistant composite article. Allied Corporation, Gus T Hampilos, Gerhard H Fuchs, November 18, 1986: US04623574 (153 worldwide citation)

The present invention provides an improved, ballistic-resistant composite article of manufacture which comprises a network of high strength fibers having a tensile modulus of at least about 500 grams/denier and an energy-to-break of at least about 22 Joules/gram. An elastomeric matrix material subst ...


4
Gary A Harpell, Sheldon Kavesh, Igor Palley, Dusan C Prevorsek: Ballistic-resistant article. Allied Corporation, Alan M Doernberg, Gerhard H Fuchs, Roy H Massengill, September 6, 1983: US04403012 (139 worldwide citation)

Articles such as vests, helmets and structural elements containing a network of ultrahigh molecular weight, high strength, high modulus polyethylene or polypropylene fibers. The fibers, and especially polyethylene fibers of 15, 20, 25, 30 or more g/denier tenacity, and 300, 500, 1000, 1500 or more g ...


5
Gary A Harpell, Sheldon Kavesh, Igor Palley, Dusan C Prevorsek: Ballistic-resistant article. Allied Corporation, Alan M Doernberg, Gerhard H Fuchs, Kenneth E Stroup, July 3, 1984: US04457985 (137 worldwide citation)

Articles such as vests, helmets and structural elements containing a network of ultrahigh molecular weight, high strength, high modulus polyethylene or polypropylene fibers. The fibers, and especially polyethylene fibers of 15, 20, 25, 30 or more g/denier tenacity, and 300, 500, 1,000, 1,500 or more ...


6
Sheldon Kavesh, Dusan C Prevorsek: Producing high tenacity, high modulus crystalline article such as fiber or film. Allied Corporation, Gus T Hampilos, Gerhard H Fuchs, Alan M Doernberg, November 5, 1985: US04551296 (122 worldwide citation)

Solutions of ultrahigh molecular weight polymers such as polyethylene in a relatively non-volatile solvent are extruded through an aperture at constant concentration through the aperture and cooled to form a first gel of indefinite length. The first gels are extracted with a volatile solvent to form ...


7
Gary A Harpell, Igor Palley, Dusan C Prevorsek: Complex composite article having improved impact resistance. Allied Corporation, Gus T Hampilos, Gerard H Fuchs, September 23, 1986: US04613535 (114 worldwide citation)

The present invention provides an improved, complex composite article of manufacture which comprises a network of high strength fibers having a tensile modulus of at least about 160 grams/denier and a tenacity of at least about 7 g/denier. An elastomeric matrix material substantially coats each of t ...


8
Hsin L Li, Dusan C Prevorsek, Gary A Harpell, Young D Kwon: Ballistic-resistant composite article. Allied Signal, Richard C Stewart, Gerhard H Fuchs, April 10, 1990: US04916000 (103 worldwide citation)

The present invention provides an improved composite which comprises one or more layers, at least one of said layers comprising network of high strength filaments having a tensile modulus of at least about 160 grams/denier, a tenacity of at least about 7 g/denier and an energy-to-break of at least a ...


9
Dusan C Prevorsek, Gary A Harpell, David Wertz: Ballistic resistant fabric articles. AlliedSignal, Melanie L Brown, Roger H Criss, October 14, 1997: US05677029 (101 worldwide citation)

A flexible article of manufacture especially suitable for use as a ballistic resistant body armor which comprises two or more layers, at least one of said layers being a fibrous layer, and at least one of said layers being a polymeric layer in contact with and bound to all or portion of said fibrous ...


10
Gary A Harpell, Igor Palley, Sheldon Kavesh, Dusan C Prevorsek: Ballistic-resistant composite article. Allied Corporation, Richard A Negin, Gerhard Fuchs, May 31, 1988: US04748064 (98 worldwide citation)

The present invention provides an improved, composite article of manufacture which comprises a network of fibers having a tensile modulus of at least about 500 grams/denier and an energy-to-break of at least about 22 Joules/gram. An elastomeric matrix material having a tensile modulus of less than a ...