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Ludwigshafen, Germany

Guenter Dunkelmann

This inventor holds 5 USPTO granted patents. Top assignee: Basf Aktiengesellschaft. Active years: 1976-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Guenter Dunkelmann. Retrieved from https://idiyas.com/inventor/guenter-dunkelmann

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 20(Granted Patents)

Location History:

Ludwigshafen, DE (1976 - 1979)
Hassloch, DE (1979)

Company Filing History:

5 out of 10,816

Basf Aktiengesellschaft

Years Active: 1976-1979

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4157893 - Uniformly dyed water-swellable cellulosic fibers (1979-06-12),

2. 4145341 - Water-soluble azo dyes containing diaminopyrimidine coupler components (1979-03-20),

3. 4113720 - Disperse azo dye with diaminopyrimidine coupling component (1978-09-12),

4. 4052398 - Diazarhodamine-lactones, their manufacture and their use as dye (1977-10-04),

5. 3931182 - Lactones of the diazaxanthene series, their production and their use as (1976-01-06),

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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