Inventor

Changxi Li

Inventor
Shanghai, CN

Overview

3→
Patents
2016–2018
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes15%
A61QSpecific use of cosmetics or similar toiletry preparations15%
C11DDetergent compositions15%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments8%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions8%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes8%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials8%
G01VGeophysics8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2018Patents assigned to CONOPCO INC (2)· patent assignee history
2016–2018Based in Shanghai, CN· patent location history
2018Patents assigned to PETROCHINA CO LTD (1)· patent assignee history
2018Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CONOPCO INC22016–2018
PETROCHINA CO LTD12018
Locations
LocationPatentsSpan
Shanghai, CN22016–2018
Beijing, CN12018