Learn more

HANSEO CHEMICAL CO LTD

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    187,692
About

HANSEO CHEMICAL CO LTD has a total of 30 patent applications. Its first patent ever was published in 2002. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and chemical engineering are ISTITUTO SIEROTERAPICO ITALIAN, WINTHROP CHEM CO INC and ARCHIMICA GMBH.

Patent filings in countries

World map showing HANSEO CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 30

Patent filings per year

Chart showing HANSEO CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kim Ki Nam 22
#2 Oh Min Keun 16
#3 Seo Ki Hyeong 12
#4 Kwon Dae Gil 11
#5 Park Sung Tae 7
#6 Rhee Hak June 6
#7 Suh Ki Hyoung 6
#8 Cho Dong Ho 6
#9 Oh Min Geun 4
#10 Bae Jeong Eun 3

Latest patents

Publication Filing date Title
KR20200143805A Preparing method of crystalline polaprezinc using aqueous solution
KR20200136167A New preparing method of Polaprezinc
KR20200077733A A process for preparing 3,11-Dichloro-6-methyl -6,11-dihydrodibenzo[c,f][1,2]thiazepine 5,5-dioxide
KR101724301B1 Novel crystal form I of varenicline salicylate and its preparing method
KR20160116463A L-- III Crystalline form III of L--glyceryl phosphoryl choline and its preparation method
KR20160109736A Process for preparing intermediate of silodosin
KR20130063521A Preparation of crystalline form ii of glyceryl phosphoryl choline
KR20130063520A A preparation of crystalline form i of glyceryl phosphoryl choline
KR101233138B1 A PROCESS FOR PREPARING L-α-GLYCERYL PHOSPHORYL CHOLINE
KR20130140296A Method for preparing crystalline form iii of temocapril hydrochloride
KR20130136126A A preparing method of chiral 1,4-thiazepin phenyl butanoate compound
KR20130101722A A process for preparing 2-(4-formylphenyl)propionic acid by using tempo catalyst
KR20130101721A A process for preparing 2-(4-formylphenyl)propionic acid by using carbon-based catalyst
KR20130017187A A process for preparing allyl cyanide of high purity by using lewis acid catalyst
KR20120119468A Resolution method of racemic 1,4-thiazepine compound
KR20120119467A Preparation of amine compound useful for intermediate of temocapril
KR20120104780A Crystalline form i of glyceryl phosphoryl choline and its preparing method
KR20120104781A Crystalline form ii of glyceryl phosphoryl choline and its preparing method
KR20110066004A Preparation of choline alfoscerate
KR20100120558A Recrystallization process of sarpogrelate hcl