Title:
【発明の名称】制御された放出及び吸着に有用なイオン性ビ―ズ
Document Type and Number:
Japanese Patent JP2516322
Kind Code:
B2
Abstract:
Ionic compositions comprise an active ingredient absorbed within a network of internal pores defined by a plurality of polymeric particles. The particles are preferably crosslinked polymeric beads having a diameter in the range from about 5 to 100 microns and a surface charge density from about 0.1 to 10 meq/qm hydrogen ion capacity. The active ingredients are released from the ionic polymer beads over time when orally administered, applied to a keratinic material, typically human skin or hair or otherwise delivered to a target environment. The use of a cationic charge promotes adhesion of the beads to the keratinic material.
Inventors:
NAKUTO SERUJIO
UON RICHAADO
KAATSU MAATEIN EI
CHEN TAI
RIIO KURISUCHIN JEI WAI
YUURII ROBAATO PII
FUROIKUSU MAIKERU
UON RICHAADO
KAATSU MAATEIN EI
CHEN TAI
RIIO KURISUCHIN JEI WAI
YUURII ROBAATO PII
FUROIKUSU MAIKERU
Application Number:
JP50785593A
Publication Date:
July 24, 1996
Filing Date:
October 19, 1992
Export Citation:
Assignee:
ADOBANSUDO HORIMAA SHISUTEMUZU
International Classes:
A61K8/00; A61K8/04; A61K8/46; A61K8/72; A61K8/81; A61K9/16; A61K9/52; A61K47/32; A61K47/48; A61Q5/00; A61Q19/00; B01J13/00; C08F20/34; C08F30/02; C08F220/34; C08F220/56; C08L101/00; C08L101/14; (IPC1-7): A61K47/32; A61K7/00; A61K7/06; A61K9/16; B01J13/00; C08F220/34; C08L101/14
Attorney, Agent or Firm:
Minoru Nakamura (7 outside)