The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 2022
Filed:
Mar. 29, 2019
Dsm Ip Assets B.v., Heerlen, NL;
Laure Clasadonte, Kaiseraugst, CH;
André Duesterloh, Kaiseraugst, CH;
Weerasinghe Indrasena, Kaiseraugst, CH;
Thomas Netscher, Kaiseraugst, CH;
René Stemmler, Kaiseraugst, CH;
DSM IP ASSETS B.V., Heerlen, NL;
Abstract
The present invention is directed towards the use of substituted chroman-6-ols with extended lipophilic side chains of formula (I) wherein one of the two substituents Rand Ris C-alkyl and the other of the two substituents Rand Ris either hydrogen or C-alkyl or (CH)—OH with n being an integer from 1 to 5, and wherein A is CH(R), and wherein R, Rand Rare independently from each other H or C-alkyl, and wherein Ris H or OH or C-alkyl or C-alkoxy; with the proviso that at least two of R, Rand Rare not methyl, when Ris H and one of the substituents Rand Ris methyl and the other of the two substituents Rand Ris C-alkyl, as antioxidants, especially in feed such as pet food and feed ingredients such as fish meal, insect meal and poultry meal, as well as PUFA-containing oil such as marine oil, microbial oil, fungal oil, algal oil and PUFA-containing plant oil. The present invention is further directed towards feed ingredients and feed for insects, aquatic and terrestrial animals comprising such substituted chroman-6-ols with extended lipophilic side chains of formula (I).