Inventor
Dieter Guhl
Inventor
Speyer, DE
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Gprimary
C01GCompounds containing metals not covered by subclasses c01d or c01f11%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
B41MPrinting, duplicating, marking, or copying processes7%
B42DBooks7%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
C23CCoating metallic material7%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals7%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C03CChemical composition of glasses, glazes or vitreous enamels4%
C07CAcyclic or carbocyclic compounds4%
PatentTitleYear
11,059,316Relation to security printing202110,259,255Security printing20196,518,346'Catalysts for producing cold or hot cross-linkable masses'20036,197,186'Process for preparing silver compounds'20016,194,369'Pickling/activation solution for the pretreatment of aluminum-steel composites prior to dip tinning'20016,187,281'Process for the thermal preparation of tin (IV) sulfides'20016,183,617'Self-regulating, acidic electrolytes for dip-tin-plating aluminum alloys'20016,103,088'Process for preparing bismuth compounds'20005,654,457'Method for synthesizing alkyl tin fluorides'19975,456,943'Method for the preparation of electrically conductive infrared-reflecting layers on glass, glass-ceramic or enamel surfaces'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2003Patents assigned to GOLDSCHMIDT AG TH (8)· patent assignee history
1995–2001Based in Hattingen, DE· patent location history
2000–2003Based in Speyer, DE· patent location history
2003Patents assigned to HENKEL TEROSON GMBH (1)· patent assignee history
2019–2021Patents assigned to INOVINK LTD (2)· patent assignee history
2019Patents assigned to KEELING & WALKER LTD (1)· patent assignee history
2019–2021Based in Stoke-on-Trent, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOLDSCHMIDT AG TH | 8 | 1995–2003 |
| INOVINK LTD | 2 | 2019–2021 |
| HENKEL TEROSON GMBH | 1 | 2003 |
| KEELING & WALKER LTD | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Speyer, DE | 5 | 2000–2003 |
| Hattingen, DE | 3 | 1995–2001 |
| Stoke-on-Trent, GB | 2 | 2019–2021 |