Fred Zemlanicky — 2 Patents at Amoco

Fred Zemlanicky has been granted 2 US patents while listed as an inventor at Amoco. All of these patents were granted in 1991. Fred Zemlanicky ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Fred Zemlanicky in Hillside, NJ, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5041677	Process for synthesizing 4,4'-dihydroxydiphenyl sulfone	Bernard Cooker	1991-08-20	$27,323,000
5001270	Process for recovering 4,4' dihydroxydiphenyl sulfone from an isomer mixture	Bernard Cooker	1991-03-19	$23,013,000

Fred Zemlanicky — 2 Patents

Issued Patents All Time

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