LexDanaLexDanabeta
Inventor

Dominique Depernet

Inventor
Stains, FR

Overview

6→
Patents
1978–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge17%
C07CAcyclic or carbocyclic compounds17%
C07DHeterocyclic compounds17%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%
B01DSeparation8%
PatentTitleYear
6,462,227'Stabilized o-iodoxybenzoic acid compositions and process for the preparation thereof'20026,121,491'Process for the preparation of (+/-)3-(3,4-dichlorophenyl)-2-dimethylamino-2-methylpropan-1-OL or cericlamine (INN)'20005,326,878'Method for the resolution of chiral hydantoins'19944,396,752'Strong cationic polyelectrolytes in powder form based on acrylamide and quaternized or salified dimethylaminoethyl acrylate for flocculation of solid material suspensions and coalescence of emulsions'19834,319,013'Powdered cationic polyelectrolytes, based on acrylamide and quaternized or salified dimethyl-aminoethyl acrylate, process for producing them'19824,074,054'Imidazoles and 2-alkyl imidazoles and method for their manufacture'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to NOBEL HOECHST CHIMIE (1)· patent assignee history
1978–1983Based in Stains, FR· patent location history
1982–1983Patents assigned to HOECHST FRANCE (2)· patent assignee history
1994Patents assigned to JOUVEINAL SA (1)· patent assignee history
1994Based in Brissac-Quince, FR· patent location history
2000Patents assigned to WARNER LAMBERT CO (1)· patent assignee history
2000–2002Based in La Rochelle, FR· patent location history
2002Patents assigned to SIMAFEX (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOECHST FRANCE21982–1983
JOUVEINAL SA11994
NOBEL HOECHST CHIMIE11978
SIMAFEX12002
WARNER LAMBERT CO12000
Locations
LocationPatentsSpan
Stains, FR31978–1983
La Rochelle, FR22000–2002
Brissac-Quince, FR11994