Inventor
Liangshi Wang
Inventor
Beijing, CN
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds16%
C22BProduction and refining of metals16%
Y02PClimate change mitigation technologies in the production or processing of goods16%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals5%
C08JWorking-up5%
C09GPolishing compositions5%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons5%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons5%
PatentTitleYear
10,787,754Polymer/filler/metal composite fiber and preparation method thereof202010,301,405Polypropylene with narrow molecular weight distribution range and processes for preparation thereof201910,280,482Method of recovering rare earth aluminum and silicon from rare earth-containing aluminum-silicon scraps20199,988,505Polyethylene compositions and films formed therefrom20189,752,213'Method for comprehensively recovering rare earth elements and fluorine element in a bastnaesite treatment process'20179,725,620'Cerium oxide based composite polishing powder and preparation method thereof'20178,721,998'Use of Mg(HCO3)2 and/or Ca(HCO3)2 aqueous solution in metal extractive separation and purification'20147,611,776'Propylene polymer composition and oriented film prepared thereby'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009Patents assigned to BEIJING RES INST CHEM IND (1)· patent assignee history
2009–2020Based in Beijing, CN· patent location history
2014–2019Patents assigned to GRIREM ADVANCED MAT CO LTD (4)· patent assignee history
2018–2020Patents assigned to CHINA PETROLEUM & CHEM CORP (3)· patent assignee history
2018–2020Patents assigned to BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP (2)· patent assignee history
2019Patents assigned to BEIJING RES INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRIREM ADVANCED MAT CO LTD | 4 | 2014–2019 |
| CHINA PETROLEUM & CHEM CORP | 3 | 2018–2020 |
| BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP | 2 | 2018–2020 |
| BEIJING RES INST CHEM IND | 1 | 2009 |
| BEIJING RES INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL CORP | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 8 | 2009–2020 |