| 发明名称 |
1-OXYL-4-HYDROXY-2,2,6,6-TETRAMETHYLPIPERIDINDERIVATE ALS POLYMERISATIONSINHIBITOREN FÜR (METH)ACRYLATMONOMERE |
| 摘要 |
The invention relates to selected derivatives of 1-oxyl-2,2,6,6-tetramethyl-4-hydroxy-piperidine and 1-oxyl-2,2,6,6-tetramethyl-4-aminopiperidine, which are effective as inhibitors to prevent the premature polymerization of acrylic and methacrylic acids, their esters, their amides, vinyl acetate and acrylonitrile in the presence of water. |
| 申请公布号 |
DE69840389(D1) |
申请公布日期 |
2009.02.05 |
| 申请号 |
DE1998640389 |
申请日期 |
1998.07.14 |
| 申请人 |
CIBA HOLDING INC. |
发明人 |
CUNKLE, GLEN THOMAS;GANDE, MATTHEW EDWARD;SELTZER, RAYMOND;THOMPSON, THOMAS FRIEND |
| 分类号 |
C07C51/50;C07B63/04;C07C57/04;C07C57/075;C07C67/62;C07C69/15;C07C69/54;C07C231/22;C07C233/09;C07C253/32;C07C255/08;C07D211/94 |
主分类号 |
C07C51/50 |
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