Inventor
Xuefeng Mei
Inventor
Shanghai, CN
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations27%
C07DHeterocyclic compounds23%
A61KPreparations for medical, dental or toiletry purposes14%
C07BGeneral methods of organic chemistry14%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for5%
B01DSeparation5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
C07HSugars5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
PatentTitleYear
10,611,789Crystalline form A of rebaudioside D, and preparation method and application therefor202010,562,895Pyrroloquinoline quinone B crystal form and preparation method therefor202010,370,334Inositol nicotinate crystalline form A and preparation method therefor20199,738,639'Pyrroloquinoline quinone lithium salt crystal and preparation method and application thereof'20179,718,846'Crystalline polymorphs of benfotiamine, process for preparation and its use thereof'20179,695,164'Crystalline forms of pyrroloquinoline quinone disodium salt'20177,888,509'Chiral 1,8-diarylnaphthalenes, methods of making them, and their use as sensors'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011Patents assigned to UNIV GEORGETOWN (1)· patent assignee history
2011Based in Arlington, VA, US· patent location history
2017–2020Patents assigned to ZHUCHENG HAOTIAN PHARM CO LTD (3)· patent assignee history
2017Patents assigned to SHANGHAI RI XIN BIOTECHNOLOGY CO LTD (2)· patent assignee history
2017Patents assigned to SHANGHAI RI XIN BIOTECHNOLGY CO LTD (1)· patent assignee history
2017–2020Based in Shanghai, CN· patent location history
2019Patents assigned to WEIFANG SHENGYU PHARMA CO LTD (1)· patent assignee history
2019Based in Sandong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZHUCHENG HAOTIAN PHARM CO LTD | 3 | 2017–2020 |
| SHANGHAI RI XIN BIOTECHNOLOGY CO LTD | 2 | 2017 |
| SHANGHAI RI XIN BIOTECHNOLGY CO LTD | 1 | 2017 |
| UNIV GEORGETOWN | 1 | 2011 |
| WEIFANG SHENGYU PHARMA CO LTD | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 5 | 2017–2020 |
| Sandong, CN | 1 | 2019 |
| Arlington, Virginia, US | 1 | 2011 |