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IPC Subgroup
C13K 1/1

Crystallisation

Introduced: September 1968

Last revised: January 2006

Full Title

Glucose; Glucose-containing syrups > Crystallisation

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
SUGAR INDUSTRY
Subclass:
SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES

Filing statistics

IPC C13K 1/1 belongs to the parent subclass C13K, which recorded 4,394 patent applications worldwide between 2013 and 2023. Annual filings declined from 658 in 2013 to 249 in 2023 (-62%). The most active applicants in class C13 are XYLECO (138 applications), TORAY INDUSTRIES (118 applications) and GUANGXI UNIVERSITY (97 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class C13, 2013–2023, worldwide · Source: EPO PATSTAT

  1. XYLECO US 138
  2. TORAY INDUSTRIES JP 118
  3. GUANGXI UNIVERSITY 97
  4. API INTELLECTUAL PROPERTY HOLDINGS US 62
  5. CHINESE ACADEMY OF SCIENCES 59
  6. NOVOZYMES DK 55
  7. UPM-KYMMENE CORPORATION FI 51
  8. VERSALIS IT 51
  9. ZHEJIANG HUAKANG PHARMACEUTICAL COMPANY 51
  10. CARGILL US 50