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Patent JPH04153232A successfully refreshed from Google Patents.
JPH04153232A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Void-containing polyester film
Assignee: Toyobo Co Ltd
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Filing: 1990-10-17
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Granted: —
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Expires: 2010-10-17
Abstract
Abstract PURPOSE:To obtain the title film having a high void content, a low light transmittance, excellent hiding properties and paper-like properties such as lightness, fitness for drawing and flexibility by incorporating specified composite particles therein. CONSTITUTION:This film contains composite particles essentially consisting of TiO2 and CaCO3 (e.g. particles in which the inside layer comprises TiO2 and the outside layer comprises CaCO3).
Inventors
- 👤 Katsuro Kuze
- 👤 勝朗 久世
- 👤 Akito Hamano
- 👤 明人 濱野
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-27 15:59
CPC Classifications
—
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