Ernest K. C. Yu — 4 Patents at Allelix

Ernest K. C. Yu has been granted 4 US patents while listed as an inventor at Allelix. The first was granted in 1988 and the most recent in June 1992. Ernest K. C. Yu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ernest K. C. Yu in Ottawa, ON, CA.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5122228	Method of treatment of waste paper with steam	Michael P. Bouchette	1992-06-16	$300,000
4966850	Production of thermostable xylanase and cellulase	Larry U. L. Tan, John N. Saddler	1990-10-30
4904773	Process for extracting methylxanthines from aqueous solutions containing same	Wayne R. Bellamy, Alexander Michael Sills	1990-02-27
4725544	Method for purifying xylanase	Larry U. L. Tan, John N. Saddler	1988-02-16

Ernest K. C. Yu — 4 Patents

Issued Patents All Time

Patent Widget