US 11,267,833 B2Granted

Compounds and process for preparation of the same from cashew nut shell liquid (CNSL)

AssigneeCouncil of Scientific and Industrial Research

InventorsSamir Hujur Chikkali, Swechchha Pandey

Life of this patent

Estimating the term…

Abstract

The present invention relates to isomerizing hydroformylation of plant oils to feedstock chemicals and monomers. More particularly, the present invention relates to compound of formula (I) and process for preparation thereof using isomerizing functionalization of cashew nut shell liquid (CNSL).

Claims2

Dependent claims

A compound of formula (I),

wherein;
R is hydrogen or alkyl;
and
E is selected from —C(O)H, —CH2OH, and —OH.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 16/857,501Filed 24 Apr 2020 · division
Priority: IN 2016110344157 Oct 2016
Published: US 2020/0247834 A16 Aug 2020
Granted: 8 Mar 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

C07F 15/00
Compounds containing elements of groups 8, 9, 10 or 18 of the
C07C 37/003
By modification in a side chain: by hydrogenation of an unsaturated part
C07C 37/004
Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring: by obtaining phenols from plant…
C07C 45/50
By reaction with carbon monoxide: by oxo-reactions

Family

PCT/IN2017/050454Parent of this division · filed 6 Oct 2017
US 2020/0247834 A1Pre-grant publication · published 6 Aug 2020
Application16/339,828Parent of this division
US 10,683,317 B2Parent of this division
US 2019/0292209 A1Published application
US 11,267,833 B2This patent

From the US filing history. Foreign family members aren’t listed.

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