Zhengzhou Kingorgchem Chemical Technology Co., Ltd.

Patents

Based on the hotspots and difficulties in the field of electronic chemicals, the research laboratory has explored the structural characteristics of the intermediate of LED&OLED materials and organic phosphorus compounds, independently developed technology and processes, and some products have been industrialized. 29 patents have been authorized for inventions of core technologies.
 

Number Patent name Patent number
  1
 A synthetic method for 3- bromo -9- (9- phenyl fluorene -9- group) carbazole ZL201610775063.3
  2
 Synthesis of Josiphos chiral ferrocene phosphine ligands ZL201610356032.4
  3
 The invention relates to a production method of 1-bromocarbazole ZL201610774744.8
  4
 A method for the synthesis of 4-bromo spiro [fluorene-9, 9 '-xanthene] ZL201611127293.5
  5
 A method for the synthesis of c2-symmetric chiral ferrocene phosphine compound ZL201610355878
  6
 A method for the synthesis of chiral ferrocene P, P ligands (US patent) US9937491
  7
 2-chloro-9,9 '-sn-difluorene and its synthesis method ZL201610356916.X
  8
 A synthesis method of chiral ferrocene P, P ligand ZL201610228279.8
  9
 A method for the synthesis of 2, 5-dibromoiodobenzene ZL201610275781.4
  10
 A method for the synthesis of [4-(N, n-dimethylamino) phenyl] dialkylphosphine ZL201610686589.4
  11
 A method for the synthesis of 1-bromo-9,9' -spirodifluorene ZL201610184272.0
  12
 A method for the synthesis of 3-bromo-9, 9-spirodifluorene ZL201610184045.8
  13
 A method for the synthesis of chiral 1, 2-bis [(2-methoxyphenyl) phenylphosphine] ethane ZL201610686628.0
  14
 A method for the synthesis of 3,3 '-pinalkyl diborate -9,9' -snails difluorene ZL201610782067.4
  15
 A method for the production of 2,2 '-carbazole ZL201510661748.0
  16
 N, N '‑ diphenyl ‑ N, N' ‑ 2 (9, 9 ‑ dimethyl fluorene ‑ ‑ 2) N ‑ ‑ hexyl ‑ ‑ (4, 4 '2 amino phenyl) ZL201510982279.2 carbazole and its synthesis method ZL201510982279.2
  17
 A preparation method of ferrocene bisphosphonate ligand ZL201510317983.6
  18
 The invention relates to a continuous casting epoxy resin matrix composite board device ZL201510448299.1
  19
 A bisphosphonic heterocyclic electroluminescent compound containing spiro fluorene, its synthesis method and application ZL201510886184.0
  20
 A production method of 4-bromo fluorenone ZL201510714421.5
  21
 An anthracene based bisphosphine heterocyclic ring organic electroluminescent compound, its synthesis method and application ZL201510880398.7