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:
Jan. 13, 2026
Filed:
Dec. 19, 2022
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventors:
Kathryn S. Read, Marlborough, CT (US);
Zachary P. Konopaske, West Hartford, CT (US);
Steven R. Clarke, Mansfield, MA (US);
Aaron Tomich, Sutton, MA (US);
Assignee:
RTX CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63B 7/08 (2020.01); C04B 35/628 (2006.01); C04B 35/80 (2006.01); C04B 38/04 (2006.01); C04B 38/06 (2006.01);
U.S. Cl.
CPC ...
B63B 7/082 (2013.01); C04B 35/62863 (2013.01); C04B 35/80 (2013.01); C04B 38/04 (2013.01); C04B 38/061 (2013.01); C04B 38/067 (2013.01); B63B 2231/42 (2013.01); C04B 2235/3826 (2013.01); C04B 2235/5244 (2013.01); C04B 2235/5256 (2013.01);
Abstract
Disclosed herein is a composite tow comprising a plurality of ceramic filaments; one or more sacrificial yarn filaments; where the sacrificial yarn filaments are operative to undergo decomposition or melting upon being subjected to an elevated temperature; and wherein the sacrificial yarn filaments leave open spaces in the tow upon being subjected to decomposition, dissolution or melting; where the filaments have an average filament diameter of 5 to 15 micrometers.