Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof (cellulose D21; )

Introduced: July 1974

Title

Titles differ between systems:

IPC: Preparation of polysaccharides not provided for in groups; Derivatives thereof

CPC: Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof (cellulose D21; )

Full titles differ between systems:

IPC:

Preparation of polysaccharides not provided for in groups; Derivatives thereof

CPC:

Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof (cellulose D21; )

Of 12 combined children, 3 exist in both systems.

3 codes are CPC-only extensions, 6 exist only in IPC.

3 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Navigate with arrow keys, Enter to open

C08B 37/0003 CPC only CPC only
C08B 37/0006 +6 CPC CPC only CPC only
C08B 37/006 +3 CPC CPC only CPC only
C08B 37/02 Dextran; Derivatives thereof since 1974 IPC only IPC only
C08B 37/04 Alginic acid; Derivatives thereof since 1974 IPC only IPC only
C08B 37/06 Pectin; Derivatives thereof since 1974 IPC only IPC only
C08B 37/08 Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof since 1974 IPC only IPC only
C08B 37/1 Heparin; Derivatives thereof since 1974 IPC only IPC only
C08B 37/12 Agar-agar; Derivatives thereof (not used) since 1974 +1 CPC IPC+CPC Available in IPC and CPC
C08B 37/14 Hemicellulose; Derivatives thereof (not used) since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C08B 37/16 Cyclodextrin; Derivatives thereof since 1974 IPC only IPC only
C08B 37/18 Reserve carbohydrates, e.g. glycogen, inulin, laminarin; Derivatives thereof (not used) since 1985 IPC+CPC Available in IPC and CPC

Class C08,2013–2023, worldwide · Source: EPO PATSTAT

LG CHEM KR 14,262
DOW GLOBAL TECHNOLOGIES US 12,486
BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,858
SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,877
CHINESE ACADEMY OF SCIENCES 6,993
FUJIFILM JP 5,049
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 4,923
SHIN-ETSU CHEMICAL COMPANY JP 4,517
BOREALIS AT 4,213
ARKEMA FR 4,098

Class C08,2013–2023, worldwide · Source: EPO PATSTAT

LG CHEM KR 15,432
DOW GLOBAL TECHNOLOGIES US 14,214
BASF (BADISCHE ANILIN & SODA FABRIK) DE 11,155
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,455
FUJIFILM JP 6,178
CHINESE ACADEMY OF SCIENCES 5,569
SHIN-ETSU CHEMICAL COMPANY JP 5,506
SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,443
TORAY INDUSTRIES JP 4,635
NITTO DENKO CORPORATION JP 4,620