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Aurora, IL, United States of America

John G Schaffhausen

This inventor holds 6 USPTO granted patents. Top assignee: Standard Oil Company (Indiana). Active years: 1983-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John G Schaffhausen. Retrieved from https://idiyas.com/inventor/john-g-schaffhausen

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 53(Granted Patents)

Location History:

Aurora, IL (US) (1983 - 1984)
Naperville Township, DuPage County, IL (US) (1984)

Company Filing History:

Standard Oil Company (Indiana)

Years Active: 1983-1984

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4485023 - Lubricating oil containing Mannich condensation product of (1984-11-27),

2. 4473482 - Ethylene/propylene/co polymers (1984-09-25),

3. 4444956 - Process for preparation of Mannich condensation product (1984-04-24),

4. 4434270 - Ethylene/propylene/vinyl alkyl ketone polymers (1984-02-28),

5. 4424317 - Mannich condensation product of ethylene/propylene/carbonyl polymers (1984-01-03),

6. 4396774 - Use of a catalyst to inhibit formation of tar during the 'ENE' reaction (1983-08-02),

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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