Chang; Kil-wan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Kil-wan.The latest application filed is for "pearlescent pigment for security purposes including organic or inorganic fluorescent material".

Company Profile

5.21.21

Chang; Kil-wan - Chungcheongbuk-do KR
Chang; Kil-Wan - Cheongju-si KR
CHANG; Kil-Wan - Cheongju-si Chungcheongbuk-do KR
Chang; Kil-Wan - Inchun-si KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Pearlescent pigment for security purposes including organic or inorganic fluorescent material Grant 11,407,900 - Cho , et al. August 9, 2	2022-08-09
Black pearlescent pigment using natural charcoal and production method thereof Grant 11,370,923 - Cho , et al. June 28, 2	2022-06-28
Cosmetics composition having improved water absorbability and oil absorbability Grant 11,207,264 - Kim , et al. December 28, 2	2021-12-28
Composite white pigment Grant 11,118,060 - Lee , et al. September 14, 2	2021-09-14
Glossy pigment having hollow structure and method for producing same Grant 10,836,912 - Son , et al. November 17, 2	2020-11-17
Pearlescent Pigment For Security Purposes Including Organic Or Inorganic Fluorescent Material App 20200354579 - CHO; Kum-sung ; et al.	2020-11-12
Cosmetics Composition Having Improved Water Absorbability And Oil Absorbability App 20200337982 - KIM; Ki-Jung ; et al.	2020-10-29
Cosmetic product having excellent UV-blocking effect and manufacturing method thereof Grant 10,646,423 - Kim , et al.	2020-05-12
Composite White Pigment App 20200071534 - LEE; Jin-Hyoung ; et al.	2020-03-05
Gold pigment with high color strength Grant 10,519,317 - Chang , et al. Dec	2019-12-31
Cosmetic composition Grant 10,285,918 - Cho , et al.	2019-05-14
Method for manufacturing plate alpha-alumina pearlescent pigments and nano-metal coating pearlescent pigments with large aspect ratio Grant 10,259,943 - Jung , et al.	2019-04-16
Black Pearlescent Pigment Using Natural Charcoal And Production Method Thereof App 20190002703 - CHO; Kum-Sung ; et al.	2019-01-03
Glossy Pigment Having Hollow Structure And Method For Producing Same App 20180298198 - SON; Yong-Ho ; et al.	2018-10-18
Gold Pigment With High Color Strength App 20180148576 - CHANG; Kil-Wan ; et al.	2018-05-31
Cosmetic Product Having Excellent Uv-blocking Effect And Manufacturing Method Thereof App 20180049959 - KIM; Ki-Jung ; et al.	2018-02-22
Pigment having excellent electrical conductivity and corrosion resistance and method for preparing same Grant 9,862,839 - Cho , et al. January 9, 2	2018-01-09
Plate-like aluminum oxide and preparation method therefor Grant 9,758,677 - Kang , et al. September 12, 2	2017-09-12
Colored glossy pigment using vegetable type natural dye and method for preparing same Grant 9,629,796 - Choi , et al. April 25, 2	2017-04-25
Plate-like Aluminum Oxide And Preparation Method Therefor App 20170088712 - KANG; Kwang-Choong ; et al.	2017-03-30
Cosmetic Composition App 20160361241 - CHO; Kum-Sung ; et al.	2016-12-15
Iron Oxide Based Black Glossy Pigment And Method For Preparing Same App 20160280927 - HEO; Dong-Min ; et al.	2016-09-29
Colored Glossy Pigment Using Vegetable Type Natural Dye And Method For Preparing Same App 20160271052 - CHOI; Min ; et al.	2016-09-22
Pigment Having Excellent Electrical Conductivity And Corrosion Resistance And Method For Preparing Same App 20160257822 - CHO; Eun-Suk ; et al.	2016-09-08
Nacreous pigment with high chroma and multiple colors and method of preparing the same Grant 9,309,411 - Jeong , et al. April 12, 2	2016-04-12
Method For Manufacturing Plate Alpha-alumina Pearlescent Pigments And Nano-metal Coating Pearlescent Pigments With Large Aspect Ratio App 20160046812 - JUNG; Myung-Ho ; et al.	2016-02-18
Interference pigment with high color intensity and method of manufacturing the same Grant 9,212,282 - Chang , et al. December 15, 2	2015-12-15
Silver coating pigment, and method for producing same Grant 8,900,660 - Heo , et al. December 2, 2	2014-12-02
Pigment paint for an exterior material having good weather resistance and method for manufacturing same Grant 8,808,447 - Jeong , et al. August 19, 2	2014-08-19
Interference Pigment With High Color Intensity And Method Of Manufacturing The Same App 20140165878 - Chang; Kil-Wan ; et al.	2014-06-19
Silver Coating Pigment, And Method For Producing Same App 20140050769 - Heo; Dong-Min ; et al.	2014-02-20
Pigment Paint For An Exterior Material Having Good Weather Resistance And Method For Manufacturing Same App 20140041551 - Jeong; Jae-Il ; et al.	2014-02-13
Nacreous Pigment With High Chroma And Multiple Colors And Method Of Preparing The Same App 20120227627 - JEONG; Jae-Il ; et al.	2012-09-13
Flaky alpha-alumina crystal and a method of its preparation Grant 7,959,894 - Lee , et al. June 14, 2	2011-06-14
Flake Pigment And Preparation Method Thereof And Cosmetic Using The Same App 20100089291 - Kang; Kwang Choong ; et al.	2010-04-15
Flaky Alpha-Alumina Crystal and a Method of Its Preparation App 20090186225 - Lee; Jung Min ; et al.	2009-07-23
Method for preparing a pearlescent pigment by coating metal oxides on the synthesized mica Grant 6,899,757 - Chang , et al. May 31, 2	2005-05-31

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