Inventor
Otto Fuchs
Inventor
Frankfurt am Main, DE
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments32%
C07DHeterocyclic compounds18%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling5%
B24BMachines, devices, or processes for grinding or polishing5%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding5%
C07CAcyclic or carbocyclic compounds5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
G11BInformation storage based on relative movement between record carrier and transducer5%
Y10TTechnical subjects covered by former us classification5%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
PatentTitleYear
4,707,948'Float lapping fixture'19874,660,330'Bevel tool'19874,625,393'Methods of attaching back-bar to slider'19864,615,721'Glass bonding fixture'19864,540,423'Methods of fashioning glass bonded device'19854,518,940'Back-bar attachment and associated fixture'19854,405,793'1,3,4-Oxadiazoles'19834,405,734'Process for mass coloring thermoplastic plastics'19834,400,515'Quinacridone mixtures, process for their manufacture and their use as pigments'19834,312,807'Monoazo compounds, process for their manufacture and their use'19824,277,397'Monoazo compounds deriving from 5-amino-benzimidazole-2-one-6-carboxylic acid'19814,217,265'Pigment preparations'19804,217,307'Process for the preparation of 2,2\'-dichloro-hydrazobenzene'19804,212,975'Process for the manufacture of the gamma-crystal modification of linear trans-quinacridone'19804,124,768'Process for preparing pure substituted 2,5-diarylamino-terephthalates and the corresponding free acids'19784,118,387'Naphthalimide-4,5-dicarboxylic acids'19784,082,769'Benzothioxanthenes'19784,007,192'Naphthalimide-4,5-dicarboxylic acids'19773,947,450'Benzoxanthene and benzothioxanthene dicarboxylic acid imide dyestuffs and process for their manufacture'19763,931,186'Process for preparing naphtholyene arylimidazol-peri-dicarboxylic acid imides'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1983Patents assigned to HOECHST AG (14)· patent assignee history
1976–1983Based in Frankfurt am Main, DE· patent location history
1983Based in Grabenstatt, DE· patent location history
1985–1987Patents assigned to BURROUGHS CORP (5)· patent assignee history
1985–1987Based in Westlake Village, CA, US· patent location history
1987Patents assigned to UNISYS CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 14 | 1976–1983 |
| BURROUGHS CORP | 5 | 1985–1987 |
| UNISYS CORP | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankfurt am Main, DE | 13 | 1976–1983 |
| Westlake Village, California, US | 6 | 1985–1987 |
| Grabenstatt, DE | 1 | 1983 |