Invention Grant
- Patent Title: Recording material
- Patent Title (中): 录音材料
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Application No.: US426124Application Date: 1973-12-19
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Publication No.: US4069440APublication Date: 1978-01-17
- Inventor: Takeshi Takeda , Fumio Muramatsu , Akinori Watanabe
- Applicant: Takeshi Takeda , Fumio Muramatsu , Akinori Watanabe
- Applicant Address: JA Osaka
- Assignee: Matsushita Electric Industrial Co., Ltd.
- Current Assignee: Matsushita Electric Industrial Co., Ltd.
- Current Assignee Address: JA Osaka
- Priority: JA45-104235 19701125; JA46-10050 19710225
- Main IPC: C09K9/00
- IPC: C09K9/00 ; C09K11/64 ; H01J29/12 ; H01J29/14
Abstract:
Production of a recording material having the chemical composition Na.sub.6 Al.sub.6 Si.sub.6 O.sub.24 .multidot.2(1-x)NaX.multidot.xNa.sub.2 SO.sub.4 (X is F, Cl, Br or I and 0.1 .ltoreq. .times. .ltoreq. 0.8) by only the simple sintering method can be attained by substituting a part of halogen site of said composition by other ions.
Public/Granted literature
- US5716824A 2'-O-alkylthioalkyl and 2-C-alkylthioalkyl-containing enzymatic nucleic acids (ribozymes) Public/Granted day:1998-02-10
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