Inventor

Jian Zhang

Inventor
Mountain View, CA, US

Overview

34→
Patents
1996–2019
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.

C07Dprimary
C07DHeterocyclic compounds18%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
A61KPreparations for medical, dental or toiletry purposes12%
D21HPulp compositions10%
G03GElectrography8%
C07CAcyclic or carbocyclic compounds6%
Y10TTechnical subjects covered by former us classification6%
G06TImage data processing or generation, in general3%
H04NPictorial communication, e.g. television3%
C04BLime, magnesia2%
PatentTitleYear
10,427,980Preparation method of ceramic membrane support201910,364,219Method for preparing azetidinone compound and intermediate of azetidinone compound201910,093,616Preparation of hydroxy-benzylbenzene derivatives201810,017,423Method for preparing support of molecular sieve membrane20189,926,268'Method for preparing azetidinone compound and intermediate of azetidinone compound'20189,642,433'Gelatinize hairdressing foil and its preparation method thereof'20179,464,043'Preparation of hydroxy-benzylbenzene derivatives'20169,394,314'8′-hydroxy-dihydroergotamine compounds and compositions'20169,365,591'Fluoroergoline analogs'20169,241,966'External-use traditional chinese medicine for ichthyosis and xerodermia, and preparation method thereof'20169,150,593'Fluoroergoline analogs'20159,012,640'Cabergoline derivatives'20158,969,374'Iso-ergoline derivatives'20158,946,420'Neuromodulatory compounds'20158,933,093'Fluoroergoline analogs'20158,927,567'Fluoroergoline analogs'20158,895,743'Methysergide derivatives'20148,841,448'Fluoroergoline analogs'20148,722,699'Iso-ergoline derivatives'20148,710,092'Substituted indolo 4,3 FG quinolines useful for treating migraine'20148,604,035'Fluoroergoline analogs'20138,592,445'Iso-ergoline derivatives'20137,271,308'Process for isomerization of alpha olefins to internal olefins'20076,348,132'Alkenyl succinic anhydride compositons and the use thereof'20026,325,893'Alkaline paper surface sizing agents, method of use and surface sized paper'20016,316,095'2-oxetanone sizing agents and their use in paper'20016,175,022'Alcohol-terminated ketene multimer sizing agents'20016,048,392'Alkaline paper surface sizing agents'20006,007,906'Process of using fine paper containing 2-oxetanone sizing agent in high speed precision converting or reprographic operations'19995,952,454'Linking compounds useful for coupling carbohydrates to amine-containing carriers'19995,846,663'Method of surface sizing paper comprising surface sizing paper with 2-oxetanone ketene multimer sizing agent'19985,725,731'2-oxetanone sizing agents comprising saturated and unsaturated tails, paper made with the 2-oxetanone sizing agents, and use of the paper in high speed converting and reprographic operations'19985,685,815'Process of using paper containing alkaline sizing agents with improved conversion capability'19975,525,738'Process for the manufacture of alkyl ketene dimers by dimerization with tertiary amines'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2007Patents assigned to HERCULES INC (11)· patent assignee history
1996–2007Based in Wilmington, DE, US· patent location history
2013–2016Patents assigned to MAP PHARMACEUTICALS INC (14)· patent assignee history
2013–2017Patents assigned to ZHANG JIAN (6)· patent assignee history
2013–2015Patents assigned to ARMER THOMAS A (4)· patent assignee history
2013–2015Patents assigned to COOK ROBERT O (4)· patent assignee history
2013–2016Based in Mountain View, CA, US· patent location history
2016–2018Based in Shanghai, CN· patent location history
2018–2019Based in Shandong, CN· patent location history
2018–2019Based in Taizhou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MAP PHARMACEUTICALS INC142013–2016
HERCULES INC111996–2007
ZHANG JIANself62013–2017
ARMER THOMAS A42013–2015
COOK ROBERT O42013–2015
Locations
LocationPatentsSpan
Mountain View, California, US122013–2016
Wilmington, Delaware, US81996–2007
Shandong, CN22018–2019
Taizhou, CN22018–2019
Shanghai, CN22016–2018