Inventor
LI ZHIXIANG
CN16 patents
⚠️ This page may combine multiple inventors who share the name “LI ZHIXIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHANDONG DANHONG PHARMACEUTICAL CO LTD
6 patentsUS11897830B2Feb 13, 2024
Crystal form and amorphous form of dezocine analogue hydrochloride
SHANDONG DANHONG PHARMACEUTICAL CO LTD0 citations62
US11339119B2May 24, 2022
Crystal form and amorphous form of dezocine analogue hydrochloride
SHANDONG DANHONG PHARMACEUTICAL CO LTD0 citations62
US11286239B2Mar 29, 2022
Angiotensin II receptor 2 antagonist salt form and crystalline form, and preparation method therefor
SHANDONG DANHONG PHARMACEUTICAL CO LTD0 citations62
US11021445B2Jun 1, 2021
Carboxylic acid derivative as AT2R receptor antagonist
SHANDONG DANHONG PHARMACEUTICAL CO LTD1 citations59
US10414718B2Sep 17, 2019
Dezocine analogue
SHANDONG DANHONG PHARMACEUTICAL CO LTD1 citations59
US10744109B2Aug 18, 2020
Sustained release suspension containing dezocine analogue ester and preparation method therefor
SHANDONG DANHONG PHARMACEUTICAL CO LTD0 citations50
ZHANGZHOU PIEN TZE HUANG PHARM
3 patentsUS11708357B2Jul 25, 2023
Crystal form of pyrrolidinyl urea derivative and application thereof
ZHANGZHOU PIEN TZE HUANG PHARM0 citations56
US11932652B2Mar 19, 2024
Pyrrolidinyl urea derivatives and application thereof in TrkA-related diseases
ZHANGZHOU PIEN TZE HUANG PHARM0 citations51
US11691965B2Jul 4, 2023
Method for preparing pyrrolidinyl urea derivative
ZHANGZHOU PIEN TZE HUANG PHARM0 citations49