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:
Nov. 10, 2026
Filed:
Sep. 29, 2021
Merck Patent Gmbh, Darmstadt, DE;
Katsuchika Suzuki, Kakegawa, JP;
Toshiya Okamura, Kakegawa, JP;
Tetsuo Okayasu, Kakegawa, JP;
Thorsten Vom Stein, Darmstadt, DE;
Merck Patent GmbH, Darmstadt, DE;
Abstract
A polysilazane having a ratio of the amount of SiHexceeding 0.050 and a ratio of the amount of NH of less than 0.045, based on the amount of aromatic ring hydrogen of xylene whenH-NMR of a 17% by mass solution of polysilazane dissolved in xylene is measured. A siliceous film-forming composition comprising the polysilazane. A method for producing a siliceous film comprising applying the polysilazane composition above a substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile