The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 1986
Filed:
May. 07, 1984
Applicant:
Inventors:
Preston S Du Pont, Northridge, CA (US);
Janet E Freeman, Pasadena, CA (US);
Robert E Ritter, Palos Verdes Estates, CA (US);
Alois Wittmann, Palos Verdes, CA (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428195 ; 428209 ; 521 54 ; 521 82 ; 521 99 ; 521134 ; 521135 ; 521136 ; 521138 ; 523218 ; 523219 ;
Abstract
Fiber-reinforced syntactic foam composites having a low specific gravity and a low coefficient of thermal expansion suitable for forming lightweight structures for spacecraft applications are prepared from a mixture of a heat curable thermosetting resin, hollow microspheres having a diameter of about 5 to 200 micrometers and fibers having a length less than or equal to 250 micrometers.