Inventor · disambiguated record
John Hazen
Also filed as: HAZEN JOHN · HAZEN JOHN C
10 granted patents·218 citations·filing 1991–2013
91Inventor score
Top patents by PatentIndex Score
10 records- 0187US5510560ASkeletal isomerization of n-olefins to iso-olefins on binded ferrierite zeolitesTEXACO INC·Filed 1993·Granted Apr 23, 1996·31 cites·7 claims
- 0284US5523510ATreated bound ferrierite zeolites for skeletal isomerization of n-olefins to iso-olefinsTEXACO INC·Filed 1993·Granted Jun 4, 1996·55 cites·10 claims
- 0377US5198597ABimetallic catalysts for dehydroisomerization of N-butane to isobuteneTEXACO INC·Filed 1991·Granted Mar 30, 1993·38 cites·1 claims
- 0469US8557954B2Waterbased dimerized rosins and the process to make themHAZEN JOHN·Filed 2008·Granted Oct 15, 2013·2 cites·7 claims
- 0569US5837640ACarbon-supported hydrodearomatization catalystTEXACO INC·Filed 1996·Granted Nov 17, 1998·32 cites·7 claims
- 0668US5491276ASkeletal isomerization of n-butylenes to isobutylene on zeolitesTEXACO INC·Filed 1994·Granted Feb 13, 1996·10 cites·8 claims
- 0764US5435907AHydrodearomatization of middle distillate hydrocarbonsTEXACO INC·Filed 1994·Granted Jul 25, 1995·21 cites·10 claims
- 0857US5227569ASkeletal isomerization of n-butylenes to isobutylene on boron-beta zeolitesTEXACO INC·Filed 1991·Granted Jul 13, 1993·13 cites·11 claims
- 0955US9012601B2Waterbased dimerized rosins and the process to make themLAWTER INC·Filed 2013·Granted Apr 21, 2015·0 cites·20 claims
- 1054US5175250AStabilized rosin and process for production and use thereofEKA NOBEL·Filed 1991·Granted Dec 29, 1992·16 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when John Hazen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →