Inventor

Daniel M. Hasenberg

Inventor

Kingwood, TX, US

Overview

34→

Patents

1989–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 34 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry27%

C07CAcyclic or carbocyclic compounds21%

C01BNon-metallic elements13%

C10GCracking hydrocarbon oils12%

B01DSeparation5%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

C07DHeterocyclic compounds4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds1%

PatentTitleYear

11,103,843Optimized reactor configuration for optimal performance of the aromax catalyst for aromatics synthesis2021 10,927,074Synthesis of methyl ethyl sulfide and related production systems2021 10,774,040Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams2020 10,773,958Processes for removing polysulfanes and elemental sulfur from hydrogen sulfide2020 10,689,3332-mercaptoethanol synthesis2020 10,633,334Synthesis of asymmetrical sulfide compounds and asymmetrical ether compounds2020 10,633,603Optimized reactor configuration for optimal performance of the aromax catalyst for aromatics synthesis2020 10,544,094Beta-mercaptoethanol synthesis2020 10,538,488Synthesis of methyl ethyl sulfide and related production systems2020 10,537,867Optimized reactor configuration for optimal performance of the aromax catalyst for aromatics synthesis2020 10,538,430System and method for containing an emission of sulfur trioxide2020 10,513,492Process for conversion of dimethyl sulfide to methyl mercaptan2019 10,336,614Hydrogen sulfide production process and related reactor vessels2019 10,273,204Process for conversion of dimethyl sulfide to methyl mercaptan2019 10,052,602Aromatization reactors with hydrogen removal and related reactor systems2018 10,040,684Hydrogen sulfide production process and related reactor vessels2018 10,023,666Process for transitioning between low percentage chrome and high percentage chrome catalysts2018 9,890,042'System and method for containing an emission of sulfur trioxide'2018 9,822,316'System and method for on stream catalyst replacement'2017 9,718,042'Aromatization reactors with hydrogen removal and related reactor systems'2017 9,718,767'Beta-mercaptoethanol synthesis'2017 9,085,736'System and method for on stream catalyst replacement'2015 8,569,555'Method of enhancing an aromatization catalyst'2013 8,362,310'Method of enhancing an aromatization catalyst'2013 7,989,655'Thiol ester compositions and processes for making and using same'2011 7,932,425'Method of enhancing an aromatization catalyst'2011 7,645,906'Graded catalyst bed for methyl mercaptan synthesis'2010 7,399,893'Process and catalyst for synthesis of mercaptans and sulfides from alcohols'2008 7,326,820'System and method for purifying heptane'2008 7,217,843'Method of making 2-thiols'2007 5,841,678'Modeling and simulation of a reaction for hydrotreating hydrocarbon oil'1998 5,182,330'Process for the copolymerization of 4-methyl-1-pentene'1993 5,034,479'Process for reducing sheeting during polymerization of alpha-olefins'1991 4,803,251'Method for reducing sheeting during polymerization of alpha-olefins'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Based in Hurricane, WV, US· patent location history

1993–1998Based in Bartlesville, OK, US· patent location history

2007–2015Patents assigned to CHEVRON PHILLIPS CHEMICAL CO (9)· patent assignee history

2007–2011Based in Humble, TX, US· patent location history

2008–2021Based in Kingwood, TX, US· patent location history

2013–2015Patents assigned to CHEUNG TIN-TACK PETER (3)· patent assignee history

2013–2015Patents assigned to HASENBERG DANIEL M (3)· patent assignee history

2013Patents assigned to BLESSING CHRISTOPHER D (2)· patent assignee history

2017–2021Patents assigned to CHEVRON PHILLIPS CHEMICAL CO LP (21)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHEVRON PHILLIPS CHEMICAL CO LP	21	2017–2021
CHEVRON PHILLIPS CHEMICAL CO	9	2007–2015
CHEUNG TIN-TACK PETER	3	2013–2015
HASENBERG DANIEL Mself	3	2013–2015
BLESSING CHRISTOPHER D	2	2013

Locations

Location	Patents	Span
Kingwood, Texas, US	26	2008–2021
Humble, Texas, US	4	2007–2011
Bartlesville, OK, US	2	1993–1998
Hurricane, WV, US	2	1989–1991