Resources Contact Us Home
Insoluble powder, powder for restoring barrier function of skin, powder for preventing/mitigating skin chapping, and preparation containing the same for external use on skin

Image Number 19 for United States Patent #7785636.

A first subject of the present invention is an insoluble powder characterized in that a zeta-potential is a negative value.It is preferable that barium sulfate is a main ingredient in the insoluble powder.It is preferable that an average primary particle diameter is 3 to 100 .mu.m, and an aspect ratio is 3 to 250 in the insoluble powder.It is preferable that the insoluble powder is a metal-doped barium sulfate powder obtained by reacting a barium ion and a sulfate ion in the presence of a metal ion.It is preferable that the metal ion is one or more selected from the group consisting of a lithium ion, a sodium ion and a zinc ion in the insoluble powder.A second subject of the present invention is a skin barrier function recovering powder, or a skin roughening preventing and improving powder, which comprises the aforementioned powder.A third subject of the present invention is a skin external composition characterized in that a content of the aforementioned powder is 1 to 40% by weight.

  Recently Added Patents
Ranging method and apparatus in passive optical network
Image forming apparatus and information processing apparatus
Generator with a segmented stator
Digital X-ray detector arrangement and digital X-ray imaging method
Verification of a portable consumer device in an offline environment
Integrated circuits with magnetic core inductors and methods of fabrications thereof
Closed cell culture system
  Randomly Featured Patents
Surface acoustic wave device having one-port and double mode SAW resonators
Guide rail and deadplate alignment device for flexible wall container vacuum transfer
HDR displays with dual modulators having different resolutions
Expandable intervertebral spacers and methods of use
Flexible wall cosmetic container
Algaecidal composition
Method for controlling modulation strength in radiation therapy
Printhead assembly with dual power supply
Mop handle connector
Device for holding pieces of lumber when they are cut