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:
Feb. 17, 2026
Filed:
Oct. 12, 2023
Applicant:
Rtx Corporation, Farmington, CT (US);
Inventors:
John D. Riehl, Hebron, CT (US);
Kathryn S. Read, Marlborough, CT (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/80 (2006.01); C04B 35/628 (2006.01); C04B 35/634 (2006.01); C04B 35/638 (2006.01);
U.S. Cl.
CPC ...
C04B 35/80 (2013.01); C04B 35/62844 (2013.01); C04B 35/62897 (2013.01); C04B 35/6342 (2013.01); C04B 35/638 (2013.01); C04B 2235/5244 (2013.01); C04B 2235/5256 (2013.01);
Abstract
A tackified ceramic fabric sheet includes a pre-preg layer having a fabric of woven ceramic tows and a tackifier compound surrounding the tows and comprising 15% to 60% polyvinyl butyral with ethanol. The sheet further includes a removable first backing film layer on a first side of the pre-preg layer.
Riehl, John. (2026). Pvb-based sacrificial tackifier for cmc (U.S. Patent No. 12552721). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12552721
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile