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Inventor

Haijing Wang

Inventor
Beijing, CN

Overview

3→
Patents
1997–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds17%
C10LFuels not otherwise provided for17%
C11CFatty acids from fats, oils or waxes17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
C07DHeterocyclic compounds8%
C10GCracking hydrocarbon oils8%
PatentTitleYear
8,500,828'Process for preparing a bio-diesel'20138,288,573'Process for preparing a bio-diesel'20125,637,735'Process for the preparation of gamma-butyrolactone'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2013Patents assigned to RES INST PETROLEUM PROCESSING (3)· patent assignee history
1997–2013Based in Beijing, CN· patent location history
2012–2013Patents assigned to CHINA PETROLEUM & CHEMICAL (2)· patent assignee history
2012–2013Patents assigned to DU ZEXUE (2)· patent assignee history
2012–2013Patents assigned to GAO GUOQIANG (2)· patent assignee history
2012–2013Patents assigned to MIN ENZE (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RES INST PETROLEUM PROCESSING31997–2013
CHINA PETROLEUM & CHEMICAL22012–2013
DU ZEXUE22012–2013
GAO GUOQIANG22012–2013
MIN ENZE22012–2013
Locations
LocationPatentsSpan
Beijing, CN31997–2013