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David John Hyett
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Sittard, NL
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Patents Grants
last 30 patents
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Patent Grant
Leucoindigo salt solution with very low content of aniline and meth...
Patent number
11,299,633
Issue date
Apr 12, 2022
ARCHROMA IP GMBH
Erwin Lucic
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the preparation of enantiomerically enriched indoline-2...
Patent number
7,732,621
Issue date
Jun 8, 2010
DSM IP Assets B.V.
Andreas Hendrikus Maria De Vries
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
LEUCOINDIGO SALT SOLUTION WITH VERY LOW CONTENT OF ANILINE AND METH...
Publication number
20210009810
Publication date
Jan 14, 2021
ARCHROMA IP GMBH
Erwin Lucic
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD AND DEVICE FOR MAKING ANILINE-FREE LEUCOINDIGO SALT SOLUTIONS
Publication number
20200216674
Publication date
Jul 9, 2020
ARCHROMA IP GMBH
Erwin Lucic
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHODS OF MAKING LEUCOINDIGO SALT SOLUTIONS WITH VERY LOW ANILINE...
Publication number
20200172734
Publication date
Jun 4, 2020
ARCHROMA IP GMBH
Erwin Lucic
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Process for the Preparation of Enantiomerically Enriched Indoline-2...
Publication number
20090043112
Publication date
Feb 12, 2009
DSM IP Assets B. V.
Andreas Hendrikus Maria De Vries
C07 - ORGANIC CHEMISTRY