1
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 ...


2
Kwok W Lem, Hong B Chin, Young D Kwon, Dusan C Prevorsek, Hsin L Li: Flame resistant ballistic composite. Allied Signal, R C Stewart II, G H Fuchs, D L Webster, December 1, 1992: US05167876 (92 worldwide citation)

This invention relates to a fire retardant compound comprising at least one fibrous layer comprising a network of fibers such as high strength polyethylene or aramid fibers in a matrix such as a blend of a vinyl ester and a polyurethane, and a fire retardant layer comprised of a particulate fire ret ...


3
Hsin L Li, Young D Kwon, Kwok W Lem, Dusan C Prevorsek: Constructions having improved penetration resistance. AlliedSignal, Renee J Rymarz, Melanie L Brown, January 7, 1997: US05591933 (77 worldwide citation)

A rigid improved penetration resistant composite of the type comprising a plurality of fibrous layers comprising network of fibers in a polymeric matrix selected from the group consisting of thermoplastic polymers, thermosetting resins or a combination thereof, at least two of said layers secured to ...


4
Gary A Harpell, Dusan C Prevorsek, Hsin L Li: Flexible multi-layered armor. Allied Signal, December 29, 1992: US05175040 (72 worldwide citation)

The present invention is a flexible impact resistant article comprising a plurality of prepreg packets. Each prepreg packet comprises at least about 2 prepreg layers. Each prepreg layer comprises a plurality of coplanar fibers embedded in a polymeric matrix. There is a means to maintain at least a p ...


5
Hsin L Li, Gary A Harpell, Dusan C Prevorsek: Fiber/polymer composite with nonuniformly distributed polymer matrix. Allied Signal, October 29, 1991: US05061545 (60 worldwide citation)

The present invention is a composite comprising a fibrous web and a matrix composition nonuniformly distributed in the major plane of a fibrous web.


6
Leroy C T Lin, Laura G Wilson, Ashok Bhatnagar, Hsin L Li: High strength composite. AlliedSignal, Renee J Rymarz, Melanie L Brown, September 3, 1996: US05552208 (46 worldwide citation)

An article made from at least one network of high strength fibers and a matrix composition that includes a vinyl ester and diallyl phthalate. Preferably, the article is made from at least one prepreg element which includes at least two adjacent layers of the high strength fiber network in the vinyl ...


7
Leroy C Lin, Laura G Wilson, Ashok Bhatnagar, Hsin L Li: High strength composite. AlliedSignal, Renee J Rymarz, Melanie L Brown, December 24, 1996: US05587230 (44 worldwide citation)

An article made from at least one network of high strength fibers and a matrix composition that includes a vinyl ester and diallyl phthalate. Preferably, the article is made from at least one prepreg element which includes at least two adjacent layers of the high strength fiber network in the vinyl ...


8
Hsin L Li, Young D Kwon, Dusan C Prevorsek: Fire resistant ballistic resistant composite armor. AlliedSignal, John E Thomas, Melanie L Brown, January 2, 1996: US05480706 (41 worldwide citation)

This invention relates to a fire resistant multilayer complex ballistic resistant article comprising at least one first layer comprised a plurality of flammable fibers a first matrix and at least one second layer which is adjacent to said first layer which comprises a plurality of fire resistant fib ...


9
Dusan C Prevorsek, Kwok W Lem, Hsin L Li, Young D Kwon: Constructions having improved penetration resistance. AlliedSignal, Melanie L Brown, Renee J Rymarz, August 13, 1996: US05545455 (39 worldwide citation)

An improved rigid composite of the type comprising a plurality of fibrous layers at least two of which are secured together by a securing means, said improvements comprising a securing means which comprises at least two adjacent paths.


10
Hsin L Li, Leroy C Lin, Dusan C Prevorsek, Hong B Chin: Ballistic resistant composition article having improved matrix system. AlliedSignal, July 19, 1994: US05330820 (33 worldwide citation)

An impact resistant rigid composite article comprising a fibrous layer comprising a network of filaments dispersed in a rigid matrix comprising one or more thermosetting resins and one or more thermoplastic resins.