Inventor

William Frietze

Inventor
Kennett Square, PA, US

Overview

17→
Patents
2000–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 as inventor

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

C07Dprimary
C07DHeterocyclic compounds33%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
A61KPreparations for medical, dental or toiletry purposes19%
C07CAcyclic or carbocyclic compounds15%
Y02PClimate change mitigation technologies in the production or processing of goods6%
C07BGeneral methods of organic chemistry2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2001Patents assigned to DU PONT PHARM CO (3)· patent assignee history
2000–2020Based in Kennett Square, PA, US· patent location history
2002–2003Patents assigned to BRISTOL MYERS SQUIBB PHARMA CO (3)· patent assignee history
2011–2015Patents assigned to ASTRAZENECA AB (2)· patent assignee history
2011–2015Based in Wilmington, DE, US· patent location history
2016–2021Patents assigned to INCYTE CORP (6)· patent assignee history
2016–2019Patents assigned to INCYTE HOLDINGS CORP (3)· patent assignee history
2021Based in Kenneth Square, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INCYTE CORP62016–2021
BRISTOL MYERS SQUIBB PHARMA CO32002–2003
DU PONT PHARM CO32000–2001
INCYTE HOLDINGS CORP32016–2019
ASTRAZENECA AB22011–2015
Locations
LocationPatentsSpan
Kennett Square, Pennsylvania, US142000–2020
Wilmington, Delaware, US22011–2015
Kenneth Square, Pennsylvania, US12021