Title:
【発明の名称】重合体組成物及びそれらを製造及び使用する方法
Document Type and Number:
Japanese Patent JPH05508437
Kind Code:
A
Abstract:
PCT No. PCT/GB92/00868 Sec. 371 Date Jan. 15, 1993 Sec. 102(e) Date Jan. 15, 1993 PCT Filed May 14, 1992 PCT Pub. No. WO92/20727 PCT Pub. Date Nov. 26, 1992.Particulate water-soluble or water-swellable polymeric material is provided with a substantially uninterrupted continuous coating of crystalline material. Single particles or aggregates having a size below 1 mm in size can be made by mixing the polymeric particles with a substantially saturated or supersaturated aqueous solution of crystallizable material (optionally a melt of hydrate crystallizable material) and thereby depositing it as a continuous crystalline coating on the particles.
Inventors:
Fresher Peter
Farah David
Skinner Malcolm
Dimond brian
Farah David
Skinner Malcolm
Dimond brian
Application Number:
JP51048192A
Publication Date:
November 25, 1993
Filing Date:
May 14, 1992
Export Citation:
Assignee:
Ciba Specialty Chemicals Water Treats Limited
International Classes:
C08J3/05; C08J3/12; C08L33/02; C08L33/24; C08L33/26; B01J2/00; C08L101/00; (IPC1-7): C08J3/12; B01J2/00; C08L33/02; C08L33/26; C08L101/00
Attorney, Agent or Firm:
Nishikawa Shigeaki