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Patents Grants
last 30 patents
Information
Patent Grant
Polyamide 5X staple fiber
Patent number
12,359,351
Issue date
Jul 15, 2025
CATHAY BIOTECH INC.
Chaoxu Sun
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Strain for producing long-chain dicarboxylic acids and fermentation...
Patent number
12,331,282
Issue date
Jun 17, 2025
CATHAY BIOTECH INC.
Jianglin Wang
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method of improving acid decarboxylase activity in vitro under alka...
Patent number
12,325,872
Issue date
Jun 10, 2025
CATHAY BIOTECH INC.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Solid-solid separation process for long chain dicarboxylic acids
Patent number
12,030,848
Issue date
Jul 9, 2024
CATHAY BIOTECH INC.
Bingbing Qin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and system for refining long chain dicarboxylic acid
Patent number
12,017,182
Issue date
Jun 25, 2024
CATHAY BIOTECH INC.
Chen Yang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Long chain dibasic acid with low content of long chain dibasic acid...
Patent number
12,018,311
Issue date
Jun 25, 2024
CIBT AMERICA INC.
Wenbo Liu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method and system for extracting long chain dicarboxylic acid
Patent number
11,999,689
Issue date
Jun 4, 2024
CATHAY BIOTECH INC.
Chen Yang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and system for extracting long chain dicarboxylic acid
Patent number
11,806,670
Issue date
Nov 7, 2023
CATHAY BIOTECH INC.
Chen Yang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Decanedioic acid produced by microbial fermentation process and pre...
Patent number
11,802,298
Issue date
Oct 31, 2023
CATHAY BIOTECH INC.
Min Xu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Reducing the accumulation of imines/enamines for the production of...
Patent number
11,781,163
Issue date
Oct 10, 2023
CATHAY BIOTECH INC.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Directed evolution of CYP52A12 gene and its use in dicarboxylic aci...
Patent number
11,753,629
Issue date
Sep 12, 2023
CATHAY BIOTECH INC.
Wenbo Liu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Modifications to lysine decarboxylase enzymes
Patent number
11,512,302
Issue date
Nov 29, 2022
CATHAY BIOTECH INC.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Cells and methods for production of lysine and lysine-derived products
Patent number
11,485,986
Issue date
Nov 1, 2022
CATHAY BIOTECH INC.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Long chain dibasic acid with low content of long chain dibasic acid...
Patent number
11,434,510
Issue date
Sep 6, 2022
CATHAY BIOTECH INC.
Wenbo Liu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Solid-solid separation process for long chain dicarboxylic acids
Patent number
11,427,525
Issue date
Aug 30, 2022
CATHAY BIOTECH INC.
Bingbing Qin
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method for producing a long chain dicarboxylic acid by fermentation...
Patent number
11,319,561
Issue date
May 3, 2022
CATHAY BIOTECH INC.
Min Xu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Expression of Klebsiella oxytoca polypeptides involved in lysine de...
Patent number
11,261,217
Issue date
Mar 1, 2022
CATHAY BIOTECH INC.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method and system for extracting long chain dicarboxylic acid
Patent number
11,229,881
Issue date
Jan 25, 2022
CATHAY BIOTECH INC.
Chen Yang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Long-chain dibasic acid with low content of monobasic acid impurity...
Patent number
11,225,677
Issue date
Jan 18, 2022
CATHAY BIOTECH INC.
Wenbo Liu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Heterologous expression of thermophilic lysine decarboxylase and us...
Patent number
11,155,840
Issue date
Oct 26, 2021
CATHAY BIOTECH INC.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method and system for refining long chain dicarboxylic acid
Patent number
11,155,512
Issue date
Oct 26, 2021
CATHAY BIOTECH INC.
Chen Yang
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Long-chain dibasic acid with low content of hydroxyl acid impurity...
Patent number
11,136,596
Issue date
Oct 5, 2021
CIBT AMERICA INC.
Wenbo Liu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Heterologous expression of carbohydrate binding modules and uses th...
Patent number
11,118,201
Issue date
Sep 14, 2021
CATHAY BIOTECH INC.
Howard Chou
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Expression of recombinant tetracycline efflux pumps for the product...
Patent number
11,098,329
Issue date
Aug 24, 2021
CATHAY BIOTECH INC.
Howard Chou
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Directed evolution of CYP52A12 gene and its use in dicarboxylic aci...
Patent number
11,091,742
Issue date
Aug 17, 2021
CATHAY BIOTECH INC.
Wenbo Liu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Lysine decarboxylases having modifications at titratable amino acids
Patent number
11,078,473
Issue date
Aug 3, 2021
CATHAY BIOTECH INC.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Modified lysine decarboxylase enzymes
Patent number
11,041,177
Issue date
Jun 22, 2021
CATHAY BIOTECH INC.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Method for purifying 1,5-pentanediamine and the 1,5-pentanediamine...
Patent number
11,008,279
Issue date
May 18, 2021
CATHAY BIOTECH INC.
Bingbing Qin
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Long-chain dibasic acid with low content of monobasic acid impurity...
Patent number
10,982,241
Issue date
Apr 20, 2021
CATHAY BIOTECH INC.
Wenbo Liu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Decanedioic acid produced by microbial fermentation process and pre...
Patent number
10,851,394
Issue date
Dec 1, 2020
CATHAY BIOTECH INC.
Min Xu
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Patents Applications
last 30 patents
Information
Patent Application
POLYAMIDE RESIN AND PREPARATION METHOD THEREFOR, COMPOSITION, AND F...
Publication number
20240270906
Publication date
Aug 15, 2024
Cathay Biotech Inc.
Bingbing QIN
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
A LONG CHAIN DIBASIC ACID WITH LOW CONTENT OF LONG CHAIN DIBASIC AC...
Publication number
20240254522
Publication date
Aug 1, 2024
Cathay Biotech Inc.
Wenbo LIU
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
BIO-BASED POLYAMIDE ELASTOMER AND PREPARATION METHOD THEREFOR
Publication number
20240209149
Publication date
Jun 27, 2024
Cathay Biotech Inc.
Xiaohui ZHOU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH TEMPERATURE RESISTANT SEMI-AROMATIC POLYAMIDE RESIN, PREPARATI...
Publication number
20240174806
Publication date
May 30, 2024
Cathay Biotech Inc.
Wutong FENG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH TEMPERATURE RESISTANT SEMI-AROMATIC COPOLYIMIDE, PREPARATION M...
Publication number
20240150523
Publication date
May 9, 2024
Cathay Biotech Inc.
Wutong FENG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
LONG-CARBON-CHAIN POLYAMIDE RESIN COMPOSITION AND CONTINUOUS FIBER...
Publication number
20240052115
Publication date
Feb 15, 2024
Cathay Biotech Inc.
Yuanping Li
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FLAME-RETARDANT POLYAMIDE GLASS FIBER COMPOSITION AND PREPARATION M...
Publication number
20230383095
Publication date
Nov 30, 2023
Cathay Biotech Inc.
Yuanping Li
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD OF IMPROVING ACID DECARBOXYLASE ACTIVITY IN VITRO UNDER ALKA...
Publication number
20230295602
Publication date
Sep 21, 2023
Cathay Biotech Inc.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
STRAIN FOR PRODUCING LONG-CHAIN DICARBOXYLIC ACIDS AND FERMENTATION...
Publication number
20230203431
Publication date
Jun 29, 2023
Cathay Biotech Inc.
Jianglin WANG
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
INDUSTRIAL POLYAMIDE YARN, PREPARATION METHOD THEREFOR, AND USE THE...
Publication number
20230110442
Publication date
Apr 13, 2023
Cathay Biotech Inc.
Chaoxu Sun
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Application
POLYAMIDE 5X FIBER, PREPARATION METHOD THEREOF, AND USE THEREOF
Publication number
20230051716
Publication date
Feb 16, 2023
Cathay Biotech Inc.
Chaoxu SUN
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
POLYAMIDE 5X STAPLE FIBER, PREPARATION METHOD THEREFOR, AND USE THE...
Publication number
20230012061
Publication date
Jan 12, 2023
Cathay Biotech Inc.
Chaoxu Sun
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
Information
Patent Application
POLYAMIDE 5X INDUSTRIAL YARN, PREPARATION METHOD THEREFOR AND USE T...
Publication number
20220389620
Publication date
Dec 8, 2022
Cathay Biotech Inc.
Chaoxu SUN
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
POLYAMIDE SEA-ISLAND FIBER, PREPARATION METHOD THEREFOR, AND USE TH...
Publication number
20220389623
Publication date
Dec 8, 2022
Cathay Biotech Inc.
Chaoxu SUN
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
LONG CHAIN DIBASIC ACID WITH LOW CONTENT OF LONG CHAIN DIBASIC ACID...
Publication number
20220380816
Publication date
Dec 1, 2022
Cathay Biotech Inc.
Wenbo LIU
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
SOLID-SOLID SEPARATION PROCESS FOR LONG CHAIN DICARBOXYLIC ACIDS
Publication number
20220371982
Publication date
Nov 24, 2022
Cathay Biotech Inc.
Bingbing QIN
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Method for producing high temperature-resistant polyamide, high tem...
Publication number
20220306804
Publication date
Sep 29, 2022
Cathay Biotech Inc.
Yuanbo ZHAO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYAMIDE 56 FIBRE WITH LOW BOILING WATER SHRINKAGE RATE, PREPARATI...
Publication number
20220282404
Publication date
Sep 8, 2022
Cathay Biotech Inc.
Chaoxu SUN
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD AND SYSTEM FOR EXTRACTING LONG CHAIN DICARBOXYLIC ACID
Publication number
20220105469
Publication date
Apr 7, 2022
Cathay Biotech Inc.
Chen Yang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD AND SYSTEM FOR EXTRACTING LONG CHAIN DICARBOXYLIC ACID
Publication number
20220106249
Publication date
Apr 7, 2022
Cathay Biotech Inc.
Chen Yang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD AND SYSTEM FOR REFINING LONG CHAIN DICARBOXYLIC ACID
Publication number
20220080357
Publication date
Mar 17, 2022
Cathay Biotech Inc.
Chen Yang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DIRECTED EVOLUTION OF CYP52A12 GENE AND ITS USE IN DICARBOXYLIC ACI...
Publication number
20210340506
Publication date
Nov 4, 2021
CATHAY BIOTECH INC.
Wenbo LIU
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
METHOD AND SYSTEM FOR REFINING LONG CHAIN DICARBOXYLIC ACID
Publication number
20210188756
Publication date
Jun 24, 2021
Cathay Biotech Inc.
Chen Yang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD AND SYSTEM FOR EXTRACTING LONG CHAIN DICARBOXYLIC ACID
Publication number
20210187443
Publication date
Jun 24, 2021
Cathay Biotech Inc.
Chen Yang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DIRECTED EVOLUTION OF CYP52A12 GENE AND ITS USE IN DICARBOXYLIC ACI...
Publication number
20210180032
Publication date
Jun 17, 2021
Cathay Biotech Inc.
Wenbo LIU
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
REDUCING THE ACCUMULATION OF IMINES/ENAMINES FOR THE PRODUCTION OF...
Publication number
20210164003
Publication date
Jun 3, 2021
Cathay Biotech Inc.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
MODIFICATIONS TO LYSINE DECARBOXYLASE ENZYMES
Publication number
20210155962
Publication date
May 27, 2021
Cathay Biotech Inc.
Howard Chou
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
REGULATION OF CSR SYSTEM FOR PRODUCTION OF LYSINE AND LYSINE-DERIVE...
Publication number
20210054423
Publication date
Feb 25, 2021
Cathay Biotech Inc.
Howard CHOU
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
DECANEDIOIC ACID PRODUCED BY MICROBIAL FERMENTATION PROCESS AND PRE...
Publication number
20210040517
Publication date
Feb 11, 2021
Cathay Biotech Inc.
Min Xu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SOLID-SOLID SEPARATION PROCESS FOR LONG CHAIN DICARBOZYLIC ACIDS
Publication number
20210024446
Publication date
Jan 28, 2021
Cathay Biotech Inc.
Bingbing QIN
C07 - ORGANIC CHEMISTRY