US Patent No: 5,286,833

Number of patents in Portfolio can not be more than 2000

Polybenzazole fiber with ultra-high physical properties

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Importance

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Abstract

A process for making PBZ fibers of ultra-high physical properties is given. Polybenzoxazole fibers made by the process of this invention have tensile strengths nearly double in value from what has been reported previously.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TOYO BOSEKI KABUSHIKI KAISHAOSAKA, JP813

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bubeck, Robert A Midland, MI 4 43
Chau, Chieh-Chun Midland, MI 35 276
Newsham, Mark D Midland, MI 15 99
Nolan, Stephen J Little Eaton, DE 7 36
Rosenberg, Steven Palo Alto, CA 64 702
Serrano, Myrna Midland, MI 13 68

Cited Art

Patent Info (Count) # Cites Year
 
AKAMAI TECHNOLOGIES, INC. (2)
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 4 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 4 2009
 
ARTEVA NORTH AMERICA S.A.R.L. (1)
4,606,875 Process for preparing shaped articles of rigid rod heterocyclic liquid crystalline polymers 48 1983
 
HOECHST CELANESE CORPORATION (1)
4,263,245 Process for producing high-strength, ultralow denier polybenzimidazole (PBI) filaments 21 1979
 
The United States of America as represented by the Secretary of the Air Force (1)
5,174,940 Method of extruding a single polymeric fiber 5 1991

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
HONEYWELL INTERNATIONAL INC. (7)
6,221,491 Hexagonal filament articles and methods for making the same 1 2000
7,601,416 Fragment and stab resistant flexible material with reduced trauma effect 6 2005
7,642,206 Ceramic faced ballistic panel construction 3 2006
8,007,202 Protective marine barrier system 0 2006
8,017,529 Cross-plied composite ballistic articles 1 2007
7,994,074 Composite ballistic fabric structures 0 2007
8,256,019 Composite ballistic fabric structures for hard armor applications 0 2007
 
TOYO BOSEKI KABUSHIKI KAISHA (6)
5,356,584 Polybenzazole fibers with ultra-high physical properties and method for making them 13 1993
5,534,205 Method for preparing polybenzoxazole or polybenzothiazole fibers 14 1994
5,948,186 Light weight tire including polybenzazole fibers 6 1995
5,525,638 Process for the preparation of polybenzazole filaments and fibers 19 1995
5,922,259 Cord of twisted polybenzazole fibers 2 1996
6,673,445 Polybenzazole fibers and their utilization 0 2002
 
ADVANCED COMPOSITE STRUCTURES, LLC (2)
7,288,493 Body armor with improved knife-stab resistance formed from flexible composites 12 2005
7,794,813 Tubular composite structures 1 2006