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USPTO Patent Rankings Data through Dec 31, 2025
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Anastasios J. Karalis — 5 Patents

WIWitco: 2 patents #46 of 201Top 25%
WCWitco Chemical: 2 patents #7 of 55Top 15%
Chicago, IL: #2,578 of 13,327 inventorsTop 20%
Illinois: #18,025 of 84,256 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Anastasios J. Karalis has been granted 5 US patents while listed as an inventor at Witco. The first was granted in 1982 and the most recent in November 1991. Anastasios J. Karalis ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Anastasios J. Karalis in Chicago, IL, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5068431 Methods of making new surface active compounds Thomas Morong, Charles Juszkiewicz 1991-11-26 $4,944,000
4864060 Surface active compounds, methods for making same and uses thereof Thomas Morong, Charles Juszkiewicz 1989-09-05 $3,730,000
4540807 Aromatic base poly-sulfosuccinate esters Kermit D. Longley 1985-09-10 $2,835,000
4480119 Unsymmetrical sulfosuccinate diesters Kermit D. Longley 1984-10-30
4310683 Sulfosuccinate diesters Kermit D. Longley 1982-01-12 $1,285,000