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Patents Grants
last 30 patents
Information
Patent Grant
Gardenia blue pigment with high brightness and low redness and a pr...
Patent number
12,202,979
Issue date
Jan 21, 2025
HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO., LTD.
Yongqiang Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method of preparing paprika red pigment with low polycyclic aromati...
Patent number
11,969,004
Issue date
Apr 30, 2024
HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO., LTD.
Yihong Liu
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method to determine the crocetin and its derivative amounts and the...
Patent number
9,921,198
Issue date
Mar 20, 2018
HENAN ZHONGDA BIOLOGICAL ENGINEERING CO. LTD.
Bodi Hui
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PREPARING BETA-CAROTENE FROM PEPPER PIGMENT AND PRODUCT...
Publication number
20240409977
Publication date
Dec 12, 2024
HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO., LTD.
Yihong LIU
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
METHOD FOR PRESERVING FERMENTATION BROTH OF ENGINEERED STRAIN OF D-...
Publication number
20240301344
Publication date
Sep 12, 2024
HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO., LTD.
Zhewei ZHAO
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
GARDENIA BLUE PIGMENT WITH HIGH BRIGHTNESS AND LOW REDNESS AND A PR...
Publication number
20240034884
Publication date
Feb 1, 2024
HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO., LTD.
Yongqiang WANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD OF PREPARING PAPRIKA RED PIGMENT WITH LOW POLYCYCLIC AROMATI...
Publication number
20210392927
Publication date
Dec 23, 2021
HENAN ZHONGDA HENGYUAN BIOTECHNOLOGY STOCK CO., LTD.
Yihong LIU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD TO DETERMINE THE CROCETIN AND ITS DERIVATIVE AMOUNTS AND THE...
Publication number
20170248561
Publication date
Aug 31, 2017
Henan Zhongda Biological Engineering Co., Ltd.
Bodi HUI
G01 - MEASURING TESTING