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:
May. 05, 2026
Filed:
Jan. 31, 2024
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventors:
Evan B. Callaway, Santa Barbara, CA (US);
Olivier H. Sudre, Glastonbury, CT (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/628 (2006.01); C04B 35/80 (2006.01);
U.S. Cl.
CPC ...
C04B 35/62868 (2013.01); C04B 35/80 (2013.01); C04B 2235/3427 (2013.01); C04B 2235/386 (2013.01); C04B 2235/5208 (2013.01);
Abstract
A coated fiber structure for use in a ceramic matrix composite includes a fiber and an interface coating system applied to the fiber. The interface coating system includes a first coating layer disposed on the fiber and a second coating layer disposed on the first coating layer. The first coating layer comprises a rare earth nitride or a rare earth carbide. The second coating layer comprises silicon-doped boron nitride.