Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1982-03-29
1983-11-01
Griffin, Ronald W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
536 84, 536 90, C08B 11145, C08B 11193
Patent
active
044131216
ABSTRACT:
Disclosed is a cellulose ether having at least one phosphorus-containing substituent or a mixed ether of said cellulose ether having in addition at least one phosphorus-free substituent comprising alkyl, hydroxyalkyl, carboxyalkyl, sulfonoalkyl, aminoalkyl, or diaminoalkyl, wherein the phosphorus-containing substituent(s) comprise(s) groups of the formula ##STR1## wherein R.sup.1 and R.sup.2 are OX; or R.sup.1 is OX and R.sup.2 is OY; or R.sup.1 is OX and R.sup.2 is (CH.sub.2).sub.n --CH.sub.3 ; or R.sup.1 and R.sup.2 are (CH.sub.2).sub.n --CH.sub.3 ; or R.sup.1 is (CH.sub.2).sub.n --CH.sub.3 and R.sup.2 is (CH.sub.2).sub.p --CH.sub.3, wherein
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Textile Research Journal, vol. XXIX, Mar. 1959, Number 3.
European Search Report.
Brandt Lothar
Holst Arno
Kleiner Hans-Jerg
Griffin Ronald W.
Hoechst Aktiengesellschaft
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