Inventor

Didier Wilhelm

Inventor
Issy les Moulineaux, FR

Overview

19→
Patents
1989–2015
Patent span
Chemistry
Primary field (CPC C)

Patents· 19 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds32%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials12%
C07DHeterocyclic compounds9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
Y10TTechnical subjects covered by former us classification6%
B01DSeparation3%
C07BGeneral methods of organic chemistry3%
C08BPolysaccharides3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
9,115,058'Process of preparation of optically active αaminoacetals'20158,609,882'Process for deacetalisation of α aminoacetals'20138,399,714'Process for the synthesis of polyhydroxystilbene compounds'20138,350,092'Process of racemisation of optically active alpha aminoacetals'20138,257,832'Aminoplast or phenoplast resin based on at least one glyoxal monoacetal and on glyoxylic acid, and its uses'20127,220,883'Process for the preparation of primary amines'20076,825,239'Silico-acrylic compositions: method for their preparation and use'20046,774,267'Phenolic compounds derived from dialkoxyethanals, their preparation process and their application'20046,335,380'Silico-acrylic compositions, method of preparation and application to the obtaining of coatings resistant to abrasion and scratching'20026,277,152'Process for finishing a textile and finishing baths'20015,665,851'Aminoplastic resins and their use as a crosslinking agent for cellulose'19975,536,481'Use of cyclic aminals of glyoxylic acid for trapping hydrogen sulphide'19965,382,667'Substituted succinimides as corrosion inhibitors'19955,326,378'Tris (2-acetoacetoxy ethyl)-amine, and its hydrosoluble salts, preparation process, use as formaldehyde collectors and finishing process for fabrics'19945,300,240'Finishing process for textiles, finishing bath for textiles using phosphinicosuccinic acid, phosphinicobissuccinic acid or their mixtures, finished textiles and use of said acids as finishes'19945,157,090'Glycerol derivatives, their preparation process, cross-linking compositions containing them, and their use in the textile industry'19925,081,276'Polyfunctional ethylenic monomers'19924,981,993'Polyfunctional ethylenic monomers'19914,854,934'Substituted ureas for ennobling cellulose fibres'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1996Patents assigned to HOECHST FRANCE (8)· patent assignee history
1989–1991Based in Hauts de Seine, FR· patent location history
1992–2015Based in Issy les Moulineaux, FR· patent location history
2001–2007Patents assigned to CLARIANT FRANCE SA (5)· patent assignee history
2012–2015Patents assigned to WILHELM DIDIER (5)· patent assignee history
2013–2015Patents assigned to VALLEJOS JEAN-CLAUDE (4)· patent assignee history
2013–2015Patents assigned to ALBALAT MURIEL (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOECHST FRANCE81989–1996
CLARIANT FRANCE SA52001–2007
WILHELM DIDIERself52012–2015
VALLEJOS JEAN-CLAUDE42013–2015
ALBALAT MURIEL32013–2015
Locations
LocationPatentsSpan
Issy les Moulineaux, FR171992–2015
Hauts de Seine, FR21989–1991