Inventor
Gerhard Rytz
Inventor
Bern, CH
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds24%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients20%
G03CPhotosensitive materials for photographic purposes14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%
C09DCoating compositions, e.g. paints, varnishes or lacquers10%
A61KPreparations for medical, dental or toiletry purposes4%
A61QSpecific use of cosmetics or similar toiletry preparations4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B05DProcesses for applying fluent materials to surfaces, in general2%
PatentTitleYear
6,706,215'Coating compositions stabilized against damage by light, heat and oxygen'20046,455,442'Process for the preparation of UV protective coatings by plasma-enhanced deposition'20026,284,821'Hydroxyphenyltriazines'20016,184,375'Hydroxyphenyl triazines'20015,869,588'Polymeric compounds derived from 2-hydroxy-phenyl-s-triazines substituted with ethylenically unsaturated moieties'19995,804,622'Monomeric N-piperidinylmelamines as stabilizers for chlorine-containing polymers'19985,753,729'Coating compositions stabilized against damage by light, heat, and oxygen'19985,672,704'2-Hydroxyphenyl-s-Triazines substituted with ethylenically unsaturated moieties'19975,668,200'Stabilizer combination'19975,597,854'Latent light stabilizers'19975,538,840'Photographic recording material containing a UV absorber'19965,288,777'Process for the preparation of stabilized styrene copolymers containing elastomer particles'19945,194,465'Stabilized styrene copolymers containing elastomer particles modified with a hindered amine'19935,135,986'Stabilized styrene copolymers containing elastomer particles'19925,059,689'Tetramethylpiperidino-s-triazines'19914,942,238'Unsaturated derivatives of 2,2,6,6-tetramethylpiperidine'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1997Patents assigned to CIBA GEIGY CORP (9)· patent assignee history
1990–1994Based in Schwarzenburg, CH· patent location history
1996–2001Based in Bern, CH· patent location history
1997–1998Based in Neuchatel, CH· patent location history
1998–2004Patents assigned to CIBA SC HOLDING AG (6)· patent assignee history
2002–2004Based in Neuchtel, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIBA GEIGY CORP | 9 | 1990–1997 |
| CIBA SC HOLDING AG | 6 | 1998–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bern, CH | 6 | 1996–2001 |
| Schwarzenburg, CH | 5 | 1990–1994 |
| Neuchatel, CH | 3 | 1997–1998 |
| Neuchtel, CH | 2 | 2002–2004 |