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Inventor

Zhihai Hu

Inventor
Beijing, CN

Overview

10→
Patents
1999–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

C10Gprimary
C10GCracking hydrocarbon oils37%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry26%
C10LFuels not otherwise provided for11%
C22CAlloys11%
C07CAcyclic or carbocyclic compounds5%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys5%
H04LTransmission of digital information, e.g. telegraphic communication5%
PatentTitleYear
11,028,464Lead-free easy-to-cut corrosion-resistant brass alloy with good thermoforming performance202111,028,465Low-cost lead-free dezincification-resistant brass alloy for casting20219,491,100'Method and device for updating routing lookup tree'20169,469,817'Hydrocracking catalyst and use of the same'20168,932,457'Catalytic conversion method for increasing cetane number barrel of diesel'20158,883,669'Hydrocracking catalyst, a process for producing the same, and the use of the same'20148,697,598'Hydrogenation catalyst and use thereof'20148,529,754'Catalytic conversion process for producing more diesel and propylene'20138,334,231'Hydrocracking catalyst, the preparation process and use of the same'20125,954,944'Process for hydrocracking heavy distillate oil under middle pressure'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2015Patents assigned to RES INST PETROLEUM PROCESSING (6)· patent assignee history
1999Based in Bejing, CN· patent location history
2012–2015Patents assigned to CHINA PETROLEUM & CHEMICAL (5)· patent assignee history
2012–2015Patents assigned to HU ZHIHAI (5)· patent assignee history
2012–2014Patents assigned to DONG JIANWEI (3)· patent assignee history
2012–2014Patents assigned to LI DADONG (3)· patent assignee history
2012–2016Based in Beijing, CN· patent location history
2016Based in Shenzhen, CN· patent location history
2021Based in Xiamen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RES INST PETROLEUM PROCESSING61999–2015
CHINA PETROLEUM & CHEMICAL52012–2015
HU ZHIHAIself52012–2015
DONG JIANWEI32012–2014
LI DADONG32012–2014
Locations
LocationPatentsSpan
Beijing, CN62012–2016
Xiamen, CN22021
Shenzhen, CN12016
Bejing, CN11999