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Hamburg, Germany

Helmut H Ehlers

This inventor holds 7 USPTO granted patents. Top assignee: Sterling Drug Inc.. Active years: 1977-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Helmut H Ehlers. Retrieved from https://idiyas.com/inventor/helmut-h-ehlers

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 4.7

ph-index = 3

Forward Citations = 25(Granted Patents)

Company Filing History:

Sterling Drug Inc.

Years Active: 1977-1983

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4405795 - 2,6-Dialkoxy-3-(.alpha.-alkoxybenzyl)tetrahydropyrans used as (1983-09-20),

2. 4404191 - Virucidal method (1983-09-13),

3. 4379137 - Disinfecting and preserving composition comprising a synergistic (1983-04-05),

4. 4376094 - Method of disinfecting and a method for destroying bacteria and fungi (1983-03-08),

5. 4371547 - 2-Benzylideneglutaraldehydes useful as disinfectants (1983-02-01),

6. 4059596 - 2,5-Bis(benzyloxy)tetrahydrofuran (1977-11-22),

7. 4004024 - Disinfectant furans (1977-01-18),

I specialize in innovations, inventions, inventors, patent attorneys, assignees, and patents.

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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