Inventor

Tianhua Ma

Inventor

Taizhou, CN

Overview

2→

Patents

2015–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 2 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds33%

C07DHeterocyclic compounds33%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium17%

PatentTitleYear

10,584,093Method and catalyst for preparing aniline compounds and use thereof2020 9,187,419'Intermediates of sitagliptin and preparation process thereof'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to DENG FEI (1)· patent assignee history

2015Patents assigned to HE MINHUAN (1)· patent assignee history

2015Patents assigned to HUANG MINGWANG (1)· patent assignee history

2015Patents assigned to LI WEIJIN (1)· patent assignee history

2015Patents assigned to MA TIANHUA (1)· patent assignee history

2015–2020Based in Taizhou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DENG FEI	1	2015
HE MINHUAN	1	2015
HUANG MINGWANG	1	2015
LI WEIJIN	1	2015
MA TIANHUAself	1	2015

Locations

Location	Patents	Span
Taizhou, CN	2	2015–2020