发明名称 |
PROCESS FOR PRODUCING LIQUID WRITE CRAYON |
摘要 |
A liquid write crayon is disclosed. The crayon comprises a mixture of at least one wax and encapsulated marking liquid. This crayon contains a large amount of the encapsulated marking liquid and yet maintains a proper balance of fluidity, lubricity and strength. The crayon is produced by a combination of steps which include dry blending, light pressure and mild heating.
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申请公布号 |
US3769045(A) |
申请公布日期 |
1973.10.30 |
申请号 |
USD3769045 |
申请日期 |
1971.06.22 |
申请人 |
NATIONAL CASH REGISTER CO,US |
发明人 |
MAIERSON T,US;POWERS E,US;BOWLES T,US |
分类号 |
C09D13/00;(IPC1-7):C09D13/00;C09D11/00 |
主分类号 |
C09D13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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