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DIFF Subgroup
C09J 103/14

Amylose derivatives; Amylopectin derivatives

Introduced: January 1990

Full Title

Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products > Amylose derivatives; Amylopectin derivatives

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • C09J 103/16 Esters since 1990 IPC+CPC Available in IPC and CPC
  • C09J 103/18 Ethers since 1990 IPC+CPC Available in IPC and CPC
  • C09J 103/20 Oxidised amylose; Oxidised amylopectin since 1990 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C09,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 6,420
  2. NITTO DENKO CORPORATION JP 5,752
  3. HALLIBURTON ENERGY SERVICES GROUP US 5,650
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 5,635
  5. DOW GLOBAL TECHNOLOGIES US 4,844
  6. MERCK PATENT DE 4,779
  7. CHINESE ACADEMY OF SCIENCES 4,311
  8. FUJIFILM JP 4,205
  9. BASF (BADISCHE ANILIN & SODA FABRIK) DE 4,039
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 3,931

Top Applicants (CPC)

Class C09,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 7,954
  2. HALLIBURTON ENERGY SERVICES GROUP US 6,584
  3. NITTO DENKO CORPORATION JP 6,500
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,490
  5. DOW GLOBAL TECHNOLOGIES US 6,324
  6. FUJIFILM JP 5,832
  7. MERCK PATENT DE 5,481
  8. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,147
  9. SAMSUNG DISPLAY KR 5,105
  10. NITTO DENKO CORPORATION 3,584