Kao Corporation

Hitachi Powdered Metals Co., Ltd.

Taiyo Kagaku Co., Ltd.

Takashi Koyama

Genji Imokawa

Kazuyuki Yahagi

Kazuo Asaka

Sachio Naito

Jun Kamegai

Michitaka Sawada

Yoshiyuki Eshita

Tsuyoshi Ohtomo

Hiroshi Nojiri

Kazuhiro Tashiro

Fumiko Sazanami

Hidehisa Takahashi

Toshiki Kobayashi

Kazuyo Watanabe

The present invention provides a hair cosmetic composition containing an antibody (a) to hair or a hair extract obtained from egg yolk of poultry immunized with the hair or hair extract, and a polymer emulsion (b). The hair cosmetic composition of the invention can provide excellent properties including softness, moistened feel, and smoothness. In addition, since it is adsorbed only onto a specified part of the hair, stickiness or greasiness of the hair can be prevented. The composition also prevents occurrence of split hairs, and even repair the split hairs. These effects are not lost by repeated ordinary shampooings.

Hair cosmetic composition

A hair cosmetic is disclosed which comprises the following components (A), (B) and (C):

Hair cosmetic containing a cationic surfactant, fat and oil and an alkyl

A process for making a sintered mechanical part with a complex profile by preparing separately a compact having a shaft (referred to as the inner compact) and a compact having an opening (hereinafter referred to as the outer compact) by the compression of iron-based metal powders, and sintering both compacts in a state where the inner compact is fitted into the cutter compact, wherein a difference in fitting size between the shaft and the opening is selected such that interference fitting takes place with the interference being fixed at a value equal to, or lower than, the figure determined by the following calculation:

Process for making sintered composite mechanical parts

Growing community of inventors

Chiba, Japan

Takashi Koyama