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:
Mar. 26, 2024
Filed:
Mar. 27, 2019
Toray Industries, Inc., Tokyo, JP;
Hiroshi Kobayashi, Ehime, JP;
Taiki Maeyama, Ehime, JP;
Daisuke Kido, Ehime, JP;
Takashi Ikushima, Otsu, JP;
Naofumi Hosokawa, Nagoya, JP;
Hirokazu Ohnishi, Tokyo, JP;
Toray Industries, Inc., Tokyo, JP;
Abstract
A prepreg having high processability and laminating performance and a method to produce such a prepreg is described, the prepreg comprising at least the components [A] to [E] shown below, and having a structure incorporating a first layer composed mainly of the component [A] and a first epoxy resin composition that contains the components [B] to [D] but which is substantially free of the component [E], and a second layer composed mainly of a second epoxy resin composition that contains the components [B] to [E],