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Inventor

Guisheng Pan

Inventor
Philadelphia, PA, US

Overview

2→
Patents
2018–2021
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 purposes25%
A61QSpecific use of cosmetics or similar toiletry preparations25%
B01DSeparation25%
C02FTreatment of water, waste water, sewage, or sludge25%
PatentTitleYear
11,083,674Oral care compositions202110,040,032Complex nanofiltration membrane and the preparation thereof2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP (1)· patent assignee history
2018Patents assigned to CHINA PETROLEUM & CHEM CORP (1)· patent assignee history
2018Based in Beijing, CN· patent location history
2021Patents assigned to COLGATE PALMOLIVE CO (1)· patent assignee history
2021Based in Philadelphia, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP12018
CHINA PETROLEUM & CHEM CORP12018
COLGATE PALMOLIVE CO12021
Locations
LocationPatentsSpan
Philadelphia, Pennsylvania, US12021
Beijing, CN12018