Roger K. Chatterjee — 4 Patents at Witco

Roger K. Chatterjee has been granted 4 US patents while listed as an inventor at Witco. The first was granted in 1991 and the most recent in September 1997. Roger K. Chatterjee ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Roger K. Chatterjee in Columbus, OH, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5667576	Asphalt emulsions	Charles R. Milburn	1997-09-16	$6,449,000
5667577	Filled asphalt emulsions containing betaine emulsifier	Charles R. Milburn	1997-09-16	$6,449,000
5558702	Asphalt emulsions containing amphoteric emulsifier	Charles R. Milburn	1996-09-24	$11,911,000
5019610	Process for the production of polymer-modified asphalts and asphalts emulsions	Gary E. Sitz	1991-05-28	$852,000

Roger K. Chatterjee — 4 Patents

Issued Patents All Time

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