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Leverkusen, Germany

Josef Haydn

This inventor holds 6 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1978-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Josef Haydn. Retrieved from https://idiyas.com/inventor/josef-haydn

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

Calculating rank

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 57(Granted Patents)

Company Filing History:

6 out of 12,269

Bayer Aktiengesellschaft

Years Active: 1978-1988

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4764498 - Silica-containing shaped articles and a process for their preparation (1988-08-16),

2. 4224248 - Process for the depyrophorization of pyrophoric metal catalysts and uses (1980-09-23),

3. 4176092 - Process for the depyrophorization of pyrophoric metal catalysts and (1979-11-27),

4. 4150243 - Process for the dealkylation of tert.-alkyl substituted phenols (1979-04-17),

5. 4144400 - Process for the continuous preparation of di-tertiary butylcresols (1979-03-13),

6. 4113975 - Process for purifying alkylphenolz (1978-09-12),

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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