Cqv Co., Ltd.

Hyundai Heavy Industries Co., Ltd.

Byung-Ki Choi

Jung-Min Lee

Kil-Wan Chang

Kwang-Choong Kang

Kwang-Soo Lim

Jae-Il Jeong

Kwang-soo Lim

Jin-Hyoung Lee

Ki-Jung Kim

Kum-Sung Cho

Sang-Hoon Kim

Yong-Ho Son

Min Choi

Myung-Ho Jung

Kwang-choong Kang

Kum-sung Cho

Beom-Jae Lee

Eun-Suk Cho

Bong-Geun Song

Kyung-Don Nam

Dong-Min Heo

Gun-Eik Jang

Kyung-Jun Han

Jae-Soo Choi

Myung-Sup Lee

Byeong-Jae Noh

Dong-Dae Lee

Dae-Soo Kim

Wha-Soo Kim

Sang-Beom Shin

The present invention relates to a technology for producing a black pearlescent pigment for cosmetics which is a human-friendly and nature-friendly by using a pigment including natural charcoal powder. The production method of the pearlescent pigment using natural charcoal according to the present invention includes (a) milling natural charcoal to produce a pigment including natural charcoal powder; and (b) coating a flake substrate with the produced pigment including the natural charcoal powder, wherein the milling is performed at 20 to 40 Hz for 24 to 72 hours, and an average particle size of the pigment including the natural charcoal powder is 100 to 300 nm.

Black pearlescent pigment using natural charcoal and production method thereof

A cosmetics composition having improved water absorbability and oil absorbability is provided. The cosmetics composition effectively controls sweat and sebum, thereby making it possible to improve persistence of make-up and to keep skin from looking dull.

Cosmetics composition having improved water absorbability and oil absorbability

Disclosed is a composite white pigment having mixed together white pigments having different colorimeter values from each other by comprising substrates having various sizes and/or TiO2 having various thicknesses. The composite white pigment, according to the present invention, comprises: a first white pigment comprising a substrate and a white metal oxide layer formed on the substrate; and a second white pigment comprising a substrate and a white metal oxide layer formed on the substrate, and having a different colorimeter value from that of the first white pigment.

Composite white pigment

Disclosed are a glossy pigment having a hollow structure and a method for producing the same. The glossy pigment having a hollow structure according to the present invention comprises: a hollow which penetrates through the center of the inside thereof; and a metal oxide coating layer which covers a part or all of the hollow, wherein the metal oxide coating layer has a hollow structure having a thickness of 0.1-3 &#x3bc;m.

Glossy pigment having hollow structure and method for producing same

The present invention relates to a cosmetic product having an excellent UV-blocking effect and a manufacturing method thereof, in which the cosmetic product has an excellent UV-blocking effect, shows reduced whitening, has a good feeling in use, and good adhesion to the skin, and is not glossy and sticky after application to the skin, and to a manufacturing method thereof. The cosmetic product having an excellent UV-blocking effect according to the present invention includes: a cosmetic composition; and a hollow pearlescent pigment added to the cosmetic composition in an amount of 1 to 15 parts by weight based on 100 parts by weight of the cosmetic composition.

Cosmetic product having excellent UV-blocking effect and manufacturing method thereof

A gold pigment is disclosed. The gold pigment according to the present disclosure includes a substrate; a first coating layer formed on a surface of the substrate and including a metal oxide having a refractive index of more than 1.8; a second coating layer formed on the first coating layer and including an oxide containing manganese; a third coating layer formed on the second coating layer and including a colorless metal oxide having a refractive index of 1.8 or less; a fourth coating layer formed on the third coating layer and including a metal oxide having a refractive index of more than 1.8; and a fifth coating layer formed on the fourth coating layer and including FeO.

Gold pigment with high color strength

Disclosed is a cosmetic composition capable of exhibiting various colors, including red, yellow and blue colors. The disclosed cosmetic composition comprises a red, yellow or blue pearlescent pigment prepared by coating a natural pigment on a matrix, so that it is capable of exhibiting various colors.

Cosmetic composition

Disclosed are a pigment having excellent electrical conductivity and corrosion resistance and a method for preparing the same. The method for preparing a pigment according to the present invention comprises the steps of: (a) stirring and dispersing flakes in water to form a suspension; (b) forming a catalyst layer on surfaces of the flakes; and (c) plating the surfaces of the flakes on which the catalyst layer is formed.

Pigment having excellent electrical conductivity and corrosion resistance and method for preparing same

The present invention relates to flaky aluminum oxide and a preparation method thereof, and more particularly, to a flaky aluminum oxide which is suitably used as a substrate for a pearlescent pigment or the like, and to a preparation method thereof.

Plate-like aluminum oxide and preparation method therefor

The present invention relates to a method of preparing a colored gloss pigment using a natural dye. According to the present disclosure, the method may include preparing a dye from a dye material of natural dyes; titrating the dye with an inorganic salt solution and subsequently adjusting a pH neutral to prepare a natural pigment containing the dye; dispersing a substrate coated with a metal oxide into a DI water to form a substrate suspension; and introducing a pH adjusting agent and the natural pigment into the substrate suspension to coat a surface of the substrate with the natural pigment.

Colored glossy pigment using vegetable type natural dye and method for preparing same

Growing community of inventors

Cheongju-si, South Korea

Byung-Ki Choi