US2559787A - Colored cellulose esters and ethers - Google Patents

Colored cellulose esters and ethers Download PDF

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Publication number
US2559787A
US2559787A US682588A US68258846A US2559787A US 2559787 A US2559787 A US 2559787A US 682588 A US682588 A US 682588A US 68258846 A US68258846 A US 68258846A US 2559787 A US2559787 A US 2559787A
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US
United States
Prior art keywords
dye
radicles
parts
dyes
carboxylic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US682588A
Inventor
Olpin Henry Charles
House Kenneth Ronald
Wright John
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Celanese Corp
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Celanese Corp
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Publication date
Priority to GB2559787X priority Critical
Application filed by Celanese Corp filed Critical Celanese Corp
Application granted granted Critical
Publication of US2559787A publication Critical patent/US2559787A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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