Inventor
Peter Rohringer
Inventor
Schonenbuch, CH
Overview
Patents· 45 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Hprimary
D21HPulp compositions17%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
C07DHeterocyclic compounds10%
D06LDry-cleaning, washing or bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods9%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%
C11DDetergent compositions7%
Y10TTechnical subjects covered by former us classification6%
C07CAcyclic or carbocyclic compounds4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
PatentTitleYear
7,731,820'Compositions of fluorescent whitening agents'20107,585,333'Triazinylaminostilbene disulphonic acid mixtures'20097,566,349'Amphoteric fluorescent whitening agents'20097,270,771'Triazinylaminostilbene disulphonic acid mixtures'20077,247,174'Amphoteric fluorescent whitening agents'20076,797,752'Use of whitening pigments for whitening paper coating compositions'20046,723,846'Triazinylaminostilbene derivative as fluorescent whitening agents'20046,620,294'Formulations of fluorescent whitening agents'20036,464,735'Fluorescent whitening agents'20026,464,832'Method for optically brightening paper'20026,458,169'Fluorescent whitening agents'20026,365,737'Process for the preparation of stilbene compounds'20026,331,626'Triazinylaminostilbene compounds'20016,302,999'Method for optically brightening paper'20016,274,761'Process for the preparation of sulphonated distyryl-biphenyl compounds'20016,210,449'Fluorescent whitening agents'20016,153,122'Triazinylaminostilbene compounds'20006,143,888'Use of triazine-based UVAs for use as quenchers in paper-making processes'20005,976,410'Dispersions of fluorescent whitening agents'19995,830,241'Fluorescent whitening agent formulation'19985,622,749'Fluorescent whitening of paper'19975,254,522'Pressure-sensitive or heat-sensitive recording material'19935,201,998'Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids'19935,064,570'Dispersion fluorescent brightener preparations'19914,956,049'Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids'19904,737,239'Process for the manufacture of paper or cardboard which is sized under alkaline or neutral conditions with anionic hydrophobic sizing agents and cationic retention aids'19884,735,685'Process for sizing paper or cardboard with anionic hydrophobic sizing agents and cationic retention aids'19884,627,889'Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids'19864,623,428'Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids'19864,382,884'Fire-retardant, intumescent composition and its use for the flameproofing of substrates, and as a fire-extinguishing agent comprising an ammonium salt, a water-soluble nitrogen compound as a blowing agent and dextrin'19834,301,217'Method of flameproofing wood with inorganic ammonium salts and dicyandiamide/formaldehyde reaction products'19814,288,489'Process for flameproofing organic fibrous material with phosphonic acid salts'19814,243,418'Compositions for fireproofing polyester fiber materials with substituted sulphurylamides'19814,234,341's-Triazine, process for producing it and its use for fireproofing polyester fiber materials'19804,219,605'Process for flameproofing synthetic fibre material and product'19804,211,814'Method for the fireproofing of synthetic fiber material'19804,178,398'Amidophosphate reaction products used as flameproofing agents'19794,165,435'Fire retardant s-triazine derivatives'19794,135,028'Process for fireproofing synthetic fiber materials with sulphonamides'19794,128,687'Process for fireproofing polyester fiber materials with substituted sulphurylamides'19784,116,702'Agent for flame proofing synthetic fibrous material'19784,094,929'Process for manufacture of amidophosphates'19784,092,337'Bromine substituted carboxylic acid esters'19784,059,532'Phosphorus-containing reaction products useful as flameproofing agents'19774,010,124'Process for flameproofing polyurethanes'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1997Patents assigned to CIBA GEIGY CORP (25)· patent assignee history
1977–1980Based in Basel, CH· patent location history
1978–2001Based in Schonenbuch, CH· patent location history
1998–2010Patents assigned to CIBA SC HOLDING AG (19)· patent assignee history
2002Patents assigned to CIBA SPECIALTY CHEMICAL CORP (1)· patent assignee history
2002–2004Based in Schnenbuch, CH· patent location history
2007–2010Based in Schönenbuch, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIBA GEIGY CORP | 25 | 1977–1997 |
| CIBA SC HOLDING AG | 19 | 1998–2010 |
| CIBA SPECIALTY CHEMICAL CORP | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Schonenbuch, CH | 26 | 1978–2001 |
| Schnenbuch, CH | 7 | 2002–2004 |
| Basel, CH | 7 | 1977–1980 |
| Schönenbuch, CH | 5 | 2007–2010 |