Patents by Inventor Sang-Cheol Chi

Sang-Cheol Chi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20120322752
    Abstract: The present invention provides solid dispersion, comprising: 20-O-?-D-glucopyranosyl-20(S)-protopanaxadiol which is a pharmacologically active ingredient; and a saturated polyglycolized glyceride which is a lipid matrix. The solid dispersion of the present invention has effects of increasing dissolution rate of 20-O-?-D-glucopyranosyl-20(S)-protopanaxadiol.
    Type: Application
    Filed: December 8, 2009
    Publication date: December 20, 2012
    Inventors: Sung Kyun Lee, Yong-Duck Park, Jae Won Jang, Bong Hang Hur, Sang Cheol Chi
  • Publication number: 20080254073
    Abstract: Disclosed relates to a transdermal patch comprising paroxetine that is useful to reduce the side effects accompanied with the initial high drug concentration after oral administration of paroxetine and decrease the broad metabolism of the drug in the liver. Moreover, the transdermal patch comprising paroxetine of the present invention has an excellent skin permeation rate and shows high bioavailability compared with oral administration of the drug.
    Type: Application
    Filed: July 11, 2006
    Publication date: October 16, 2008
    Applicant: IKSU PARMACEUTICAL CO., LTD.
    Inventor: Sang Cheol Chi
  • Publication number: 20080206354
    Abstract: Disclosed herein is a hair growth-stimulating composition containing a non-polar solvent-soluble extract fraction of Cantharis as an active ingredient. The composition shows an excellent hair growth activity with minimal skin irritation compared to conventional ones. It can be used for hair growth in various fields, including medical and non-medical supplies and cosmetics.
    Type: Application
    Filed: January 18, 2006
    Publication date: August 28, 2008
    Applicant: Kwang Dong Pharm Co., Ltd.
    Inventors: Sang-Cheol Chi, Sung-Yong Kim
  • Publication number: 20050226924
    Abstract: The present invention relates to a composition comprising itraconazole for oral administration, more precisely, a composition for oral administration containing 1 part by weight itraconazole, 0.1-0.5 part by weight citric acid and 0.1-0.5 part by weight hydroxypropylmethylcellulose. The composition of the present invention has the advantages of mitigating discomfort of administration by reducing the amount of the additives used to make itraconazole water-soluble, lowering the production price by shortening processing time of spray-drying, high solubility and dissolution rate, excellent reproducibility and stability.
    Type: Application
    Filed: July 29, 2004
    Publication date: October 13, 2005
    Inventors: Kyu-Hyun Lee, Eun-Seok Park, Sang-Cheol Chi
  • Patent number: 6673841
    Abstract: The present invention relates to a composition of topical preparation containing alprostadil alkyl ester, and more particularly, comprising an alprostadil alkyl ester, an oily vehicle, a skin permeation enhancer and an anti-irritant agent.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: January 6, 2004
    Assignee: Whan In Pharm. Co., Ltd.
    Inventors: Dong Soo Lee, Kye Kwan Lee, Yun Seok Rhee, Jun Hee Jang, Sun Oh Jeoung, Sang Jin Kim, Sang Cheol Chi
  • Publication number: 20030207946
    Abstract: The present invention relates to a novel parenteral composition comprising propofol and electrokinetic stabilizer.
    Type: Application
    Filed: November 18, 2002
    Publication date: November 6, 2003
    Applicant: FDL, Inc.
    Inventors: Jong Woo Park, Sang-Cheol Chi, Eun-Seok Park, Kyu-Hyun Lee
  • Publication number: 20030125382
    Abstract: The present invention relates to a composition of topical preparation containing alprostadil alkyl ester, and more particularly, comprising an alprostadil alkyl ester, an oily vehicle, a skin permeation enhancer and an anti-irritant agent.
    Type: Application
    Filed: December 20, 2001
    Publication date: July 3, 2003
    Applicant: WHAN IN PHARM. CO., LTD.
    Inventors: Dong Soo Lee, Kye Kwan Lee, Yun Seok Rhee, Jun Hee Jang, Sun Oh Jeoung, Sang Jin Kim, Sang Cheol Chi
  • Patent number: 6500440
    Abstract: The present invention relates to a composition of topical preparation containing alprostadil, which has excellent skin permeation rate with little skin irritation, which is prepared by dissolving alprostadil or a solid dispersion thereof prepared using poloxamer, into a mixture of an oily vehicle, a pyrrolidone and an anti-irritant agent.
    Type: Grant
    Filed: August 29, 2000
    Date of Patent: December 31, 2002
    Assignee: Whan In Pharm Co., Ltd.
    Inventors: Sang-Cheol Chi, Dong Soo Lee, Kye Kwan Lee
  • Patent number: 5527832
    Abstract: Transdermal gels comprising (1) ketoprofen as an effective component, (2) poloxamer, (3) one or more agents selected from ethyl alcohol, isopropyl alcohol, propylene glycol, polyethylene glycol and glycerin, (4) one or more agents selected from the group consisting of lauric acid, oleic acid, capric acid, myristic acid, lauryl alcohol, oleyl alcohol and menthol, (5) water or a buffer solution. The gels form thin and pliable films, which are easily washable with water. They possess prolonged antiinflammatory and analgesic activities and physicochemical stability with less systemic side effects and gastric irritation.
    Type: Grant
    Filed: March 9, 1994
    Date of Patent: June 18, 1996
    Assignee: Il-Dong Pharm. Co., Ltd.
    Inventors: Sang-Cheol Chi, Hyun-Kwang Tan, Heung-Won Chun