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Inventor

Kesheng Zhang

Inventor
Lenzburg, CH

Overview

2→
Patents
2014–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes29%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%
A61QSpecific use of cosmetics or similar toiletry preparations14%
C07BGeneral methods of organic chemistry14%
C07DHeterocyclic compounds14%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%
PatentTitleYear
10,815,257Polymorph of sodium neridronate and preparation process thereof20208,895,754'Process to make UV radiation absorbing 2-phenyl-1,2,3,-benzotriazoles'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to DSM IP ASSETS BV (1)· patent assignee history
2014Patents assigned to PRESCHEL MICHAEL (1)· patent assignee history
2014Patents assigned to ROEDER MICHAEL (1)· patent assignee history
2014Patents assigned to SCHLIFKE-POSCHALKO ALEXANDER (1)· patent assignee history
2014–2020Based in Lenzburg, CH· patent location history
2020Patents assigned to ABIOGEN PHARMA SPA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ABIOGEN PHARMA SPA12020
DSM IP ASSETS BV12014
PRESCHEL MICHAEL12014
ROEDER MICHAEL12014
SCHLIFKE-POSCHALKO ALEXANDER12014
Locations
LocationPatentsSpan
Lenzburg, CH22014–2020