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Polymerization inhibition of acrylate esters

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C07C-069/54   
미국특허분류(USC) 260/486R
출원번호 US-0539219 (1975-01-08)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 26  인용 특허 : 0
초록

A new polymerization inhibitor combination has been developed which is effective in stabilizing acrylate esters during their distillation.

대표
청구항
▼

A method for inhibiting the polymerization of crude dimethylaminoethyl methacrylate during its purification by distillation which comprises conducting said distillation in the presence of an inhibitor combination consisting essentially of a phenolictype polymerization inhibitor selected from the group consisting of: o-tert-butylphenol, p-methoxyphenol, 2,6-di-tert-butyl-p-cresol, 2,2′-methylenebis (6-tert-butyl-p-cresol), 4,4′thiobis (6-tert-butyl-m-cresol, 4,4′-thiobis (6-tert-butyl-o-cresol), thiobis (di-sec-amylphenol), 4,4′-butylidene (6-tert-butyl-m...

이 특허를 인용한 특허 피인용횟수: 26

  1. Nakamura, Masataka; Yokota, Mitsuru; Kohara, Takehiro; Kamasaka, Kimihiro; Koyama, Hiroya; Kiguchi, Shinya; Umeda, Satoshi. Acryloyl materials for molded plastics. USP2013108569538.
  2. Roling Paul V. (Spring TX). Enhancement of aromatic amine inhibition of acrylate monomer polymerization by addition of mannich products. USP1990034912247.
  3. Varwig John W. (St. Louis MO). Ethanolamine salt of N-Nitrosophenylhydroxylamine and inhibiting polymerization therewith. USP1988094772740.
  4. Fujisawa, Kazuhiko; Nakamura, Masataka; Yokota, Mitsuru; Vanderlaan, Douglas G.. Hydrolysis-resistant silicone compounds. USP2014128921449.
  5. Fujisawa, Kazuhiko; Nakamura, Masataka; Yokota, Mitsuru; Vanderlaan, Douglas G.. Hydrolysis-resistant silicone compounds. USP2015069056878.
  6. Fujisawa, Kazuhiko; Nakamura, Masataka; Yokota, Mitsuru; Vanderlaan, Douglas G.. Hydrolysis-resistant silicone compounds. USP2013018357818.
  7. Fujisawa, Kazuhiko; Nakamura, Masataka; Yokota, Mitsuru; Vanderlaan, Douglas G.. Hydrolysis-resistant silicone compounds. USP2010117838698.
  8. Fujisawa, Kazuhiko; Nakamura, Masataka; Yokota, Yokota; Vanderlaan, Douglas G.. Hydrolysis-resistant silicone compounds. USP2014078779178.
  9. Goerner Richard N. (Mount Holly NC) Hipp J. Michael (both Iron Station NC) Hipp Ruth H. (both Iron Station NC). Inhibiting polymerization of ethylenically unsaturated monomers. USP1987094692544.
  10. Stanton ; Jr. Russell H.. Killie saver. USP1999126003329.
  11. Varwig John W. (Berkeley MO). Method for inhibiting the polymerization of acrylic acid. USP1991075034156.
  12. Schropp Wilhelm K. (Weinheim DEX). Method of stabilizing monomeric acrylic acid esters against premature polymerization and esters thus stabilized. USP1982014310676.
  13. Tong, David Youdong. Multi-component polymerization inhibitors for ethylenically unsaturated monomers. USP2014048691994.
  14. Tong, David Youdong. Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes. USP2016079399622.
  15. Tong, David Youdong. Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes. USP20181010112888.
  16. Fujisawa, Kazuhiko; Nakamura, Masataka; Yokota, Mitsuru. Process for producing hydrolysis-resistant silicone compounds. USP2015069056880.
  17. Fujisawa, Kazuhiko; Yokota, Mitsuru; Nakamura, Masataka. Silicone prepolymer solutions. USP2011037897654.
  18. Fujisawa, Kazuhiko; Yokota, Mitsuru; Nakamura, Masataka. Silicone prepolymer solutions. USP2014018637589.
  19. Nakamura, Masataka; Fujisawa, Kazuhiko; Yokota, Mitsuru. Siloxanyl materials for molded plastics. USP2011118053539.
  20. Fujisawa, Kazuhiko; Yokota, Mitsuru; Nakamura, Masataka. Soluble silicone prepolymers. USP2013038399539.
  21. Nakagawa Koichi,JPX ; Makino Mitsuaki,JPX ; Kita Yuichi,JPX. Stabilization method of vinyl compound with hydroxy group and composition containing such vinyl compound. USP1998065760278.
  22. Rosenkranz Hans Jurgen (Krefeld DT) Rudolph Hans (Krefeld DT) Apel Gerhard (Krefeld DT). Stabilized acrylic acid esters of polyhydric alcohols and a process for their preparation. USP1977104053504.
  23. Dougherty, Edward F.; Scates, Mark O.. Stabilized ethylenically unsaturated organic compositions. USP1985094542231.
  24. Restaino, Alfred Joseph. Stabilized polymerizable compositions. USP1977094049731.
  25. Restaino ; Alfred Joseph. Stabilized polymerizable polyester compositions. USP1978094112019.
  26. Restaino Alfred J. (Wilmington DE). Stabilized polymerizable vinyl urethane resin compositions. USP1979064158027.

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