Howard B. Yokelson — 15 Patents at Amoco

Howard B. Yokelson has been granted 15 US patents while listed as an inventor at Amoco. The first was granted in 1990 and the most recent in March 2002. Howard B. Yokelson ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Howard B. Yokelson in Aurora, IL, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6358620	Unsaturated polyester resin compositions	James Fleet, Karen E. Medema	2002-03-19
6143851	Process for preparation of addition products of difunctional telechelic polyolefins from cyclic olefins by olefin metathesis reaction	Philip O. Nubel, William H. Frye, Tsuei-Yun Lynch, Larry C. Satek, George A. McConaghy	2000-11-07	$715,530,000
6060570	Process for preparation of addition products of difunctional telechelic polyolefins from cyclic olefins by olefin metathesis reaction	Philip O. Nubel, William H. Frye, Tsuei-Yun Lynch, Larry C. Satek, George A. McConaghy	2000-05-09	$335,249,000
5731383	Difunctional telechelic linear non-crosslinked polyolefins	Philip O. Nubel	1998-03-24	$165,057,000
5621047	Process for preparing linear monofunctional and telechelic difunctional polymers and compositions obtained thereby	Philip O. Nubel, Steven A. Cohen, William G. Bouslog	1997-04-15	$62,808,000
5589543	Polyurethane elastomers prepared from difunctional telechelic linear non-crosslinked polyolefins	Philip O. Nubel, Raymond T. Behrends	1996-12-31	$36,816,000
5589548	Process for preparing difunctional telechelic linear non-crosslinked polyolefins	Philip O. Nubel	1996-12-31	$36,816,000
5559190	Difunctional telechelic linear non-crosslinked polyolefins	Philip O. Nubel	1996-09-24	$62,495,000
5512635	Process for preparing linear monofunctional and telechelic difunctional polymers and compositions obtained thereby	Philip O. Nubel, Steven A. Cohen, Raymond T. Behrends, William G. Bouslog, James P. Nelson	1996-04-30	$134,666,000
5458969	Amide-imide heat-resistant fiber	Stefanos L. Sakellarides, Raymond T. Behrends	1995-10-17	$105,141,000
5403904	Process for preparation of telechelic difunctional unsaturated oligomers or polymers by acyclic olefin metathesis	Philip O. Nubel, Robert B. Morland	1995-04-04	$26,579,000
5187254	Amide-imide resin having phthalic anhydride moieties	James H. Han, Jeff J. Felberg	1993-02-16	$28,009,000
5124428	Amide-imide resin for production of heat-resistant fiber	Stefanos L. Sakellarides, Raymond T. Behrends, Marifaith Hackett	1992-06-23	$12,974,000
5082959	Process for preparing silylated aromatic acids	Andreas Ernst, Robert K. Gipe	1992-01-21	$35,907,000
4940810	Process for producing silicon-containing aromatic polyacids	Walter Partenheimer, Robert K. Gipe	1990-07-10	$21,805,000

Howard B. Yokelson — 15 Patents

Issued Patents All Time

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