Learn more

LIANG CHENGYUAN

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    82,790
  • Filing trend
    0.0%
About

LIANG CHENGYUAN has a total of 20 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2017. It filed its patents most often in United States. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and chemical engineering are LATVIJAS ORGANISKAS SINTEZES I, CORVI MORA E and MARQUES BREV SOC ET EXPLOIT.

Patent filings in countries

World map showing LIANG CHENGYUANs patent filings in countries
# Country Total Patents
#1 United States 20

Patent filings per year

Chart showing LIANG CHENGYUANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liang Chengyuan 20
#2 Li Han 10
#3 Tian Danni 9
#4 Ju Xingke 9
#5 Jia Minyi 8
#6 Tian Lei 8
#7 Liu Yuzhi 8
#8 Zhao Qianqian 7
#9 Ding Shunjun 6
#10 Tian Bin 6

Latest patents

Publication Filing date Title
US10472321B1 Hydroxytyrosol p-phenylenedicarboxylate having antioxidant activity and a method of preparing the same
US10377702B1 Hydroxytyrosol isophorone diisocyannate derivative with antioxidant activity and a method of preparing the same
US10343988B1 Hydroxytyrosol thiodipropionic acid ester with antioxidant activity and a method of preparing the same
US10487094B1 Bergenin thiodipropionic acid ester with antioxidant activity and a method of improving the antioxidant property of ganoderma lucidum spore oil using the same
US10208078B1 Aesculin thiodipropionic acid ester with antioxidant activity and a method of preparing the same
US10035808B1 Isatin peroxo compounds with antibacterial activities and a method of preparing the same
US2018094167A1 Method of preparing sturgeon skin gelatin and sturgeon skin gelatin film with antioxidant activity
US9758486B1 Edaravone-gossypol derivatives with antitumor activities and a method of preparing the same
US9758503B1 Coumarin-gossypol derivatives with antitumor activities and a method of preparing the same