Title:
高比粘度の無水マレイン酸及びアルキルビニルエーテルの共重合体を製造する方法
Document Type and Number:
Japanese Patent JP2009501805
Kind Code:
A
Abstract:
A process for making high specific viscosity copolymers of maleic anhydride and an alkyl vinyl either having as specific viscosity of at least 7, preferably 10-50, are made by copolymerizing maleic anhydride and an alkly vinyl ether monomers in the presence of added acetylene.
Inventors:
Kakute Yoon
Paul Dee Tyler
William J Swatos
Paul Dee Tyler
William J Swatos
Application Number:
JP2008518240A
Publication Date:
January 22, 2009
Filing Date:
June 14, 2006
Export Citation:
Assignee:
ISP INVESTMENTS INC.
International Classes:
C08F222/06; C08F2/06
Domestic Patent References:
| JPH01149810A | 1989-06-12 | |||
| JP2007534728A | 2007-11-29 | |||
| JP2002539300A | 2002-11-19 | |||
| JPH01149810A | 1989-06-12 | |||
| JP2007534728A | 2007-11-29 |
Foreign References:
| US6624271B1 | 2003-09-23 | |||
| US6624271B1 | 2003-09-23 |
Attorney, Agent or Firm:
Kenji Sugimura
Kosaku Sugimura
Kiyoshi Kuruma
Shiro Fujitani
Tatsuya Sawada
Kazuyuki Tomita
Kosaku Sugimura
Kiyoshi Kuruma
Shiro Fujitani
Tatsuya Sawada
Kazuyuki Tomita