Patents

Patents Hexcel has been granted hundreds of patents worldwide over the years in recognition of the groundbreaking developments and industry advancements that have resulted from the work carried out by our world class carbon fiber and composites R&T personnel. A selection of the US patents granted in the last 10 years is included below.

TITLE PATENT NUMBER ISSUE DATE
Inject printing of an activating ink to cause a reducing agent and metal ion to undergo a chemical reaction to form an electrically conductive metal region on the surface of a curable composition 8313825 20-Nov-12
A resin composition that is storable at ambient temperatures, utilising a crystalline resin component between two non-crystalline resin components 8304080 06-Nov-12
Thermoplastic-toughened cyanate ester resin composites with low heat release properties 8283408 09-Oct-12
Method of molding complex composite parts using pre-plied multi-directional continuous fiber laminate 8263205 11-Sep-12
Aerospace articles made from quasi-isotropic chopped prepreg (HexMC) 8177168 15-May-12
A composite material with improved electrical conductivity properties, and has little or no additional weight without detriment to the mechanical performance of the material 8105964 31-Jan-12
Method of making composite materials with blend of thermoplastic particles 8097333 17-Jan-12
Helicopter blade mandrel with roller assembly 8066504 29-Nov-11
Acoustic septum cap honeycomb 8066098 29-Nov-11
Composite materials with improved burn properties 8034453 11-Oct-11
Pressurized molding of composite parts 8034278 11-Oct-11
Aircraft floor panels using edge-coated honeycomb 7988809 02-Aug-11
Interlock Double Weave Fabric and methods of making and using the same 7972983 05-Jul-11
Preimpregnated composite materials with improved performance 7968179 28-Jun-11
Edge coating honeycomb to improve core-skin bondability 7938922 10-May-11
Epoxy resin with improved flexural properties 7897703 01-Mar-11
Carbon fibers having high tensile strength and modulus of elasticity 7749479 06-Jul-10
Prepreg composite materials composed of a bismaleimide resin component, a thermoplastic toughening agent and a resin distribution stabilizer 7592072 22-Sep-09
A Composite materials comprising a matrix resin composition with an inorganic nano-scale particulate exhibiting improved fatigue performance 7527250 05-May-09
Machinable composite molds for use in making a composite structure comprising quasi-isotropic material 7510390 31-Mar-09