Inventor
Josef Zelger
Inventor
Riehen, CH
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C11Dprimary
C11DDetergent compositions30%
D06LDry-cleaning, washing or bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods30%
C07CAcyclic or carbocyclic compounds7%
C07DHeterocyclic compounds7%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%
D21HPulp compositions7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
D06PDyeing or printing textiles3%
PatentTitleYear
8,163,688'Storage-stable fluorescent whitener formulations'20127,497,971'Mixtures of fluorescent whitening agents'20096,696,406'Fluorescent whitening agent formulation for detergents'20046,660,705'Liquid fluorescent whitening agent formulation'20036,331,626'Triazinylaminostilbene compounds'20016,153,122'Triazinylaminostilbene compounds'20006,133,215'Fluorescent whitening agent'20005,695,687'Anhydrous fluorescent whitening agent formulation'19975,622,749'Fluorescent whitening of paper'19975,575,958'Aqueous dispersions of sparingly soluble UV absorbers'19965,518,657'Storage-stable formulation of fluorescent whitening mixtures'19965,437,818'Hydrates of the disodium salt or dipotassium salt of 4,4\'-bis(2-sulfostyryl)biphenyl'19955,429,767'Storage-stable whitener formulation'19955,076,968'Aqueous storage-stable whitener formulation with an anionic polysaccharide stabilizer'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1997Patents assigned to CIBA GEIGY CORP (6)· patent assignee history
1991–2012Based in Riehen, CH· patent location history
1997–2009Patents assigned to CIBA SC HOLDING AG (7)· patent assignee history
2012Patents assigned to BASF SE (1)· patent assignee history
2012Patents assigned to SCHROEDER SERGE (1)· patent assignee history
2012Patents assigned to ZELGER JOSEF (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIBA SC HOLDING AG | 7 | 1997–2009 |
| CIBA GEIGY CORP | 6 | 1991–1997 |
| BASF SE | 1 | 2012 |
| SCHROEDER SERGE | 1 | 2012 |
| ZELGER JOSEFself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Riehen, CH | 14 | 1991–2012 |