Inventor
Chunhua Yao
Inventor
Carmel, IN, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Jprimary
C08JWorking-up15%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
B82YSpecific uses or applications of nanostructures10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
B29CShaping or joining of plastics5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
C23CCoating metallic material5%
PatentTitleYear
10,870,987Isocyanate-based foam construction boards202010,277,147Triboelectric nanogenerators based on chemically treated cellulose20199,637,830'Capillary photoelectrode structures for photoelectrochemical and photocatalytic cells'20179,447,225'Polyester polyols containing diels-alder or ene adducts'20169,309,345'Aromatic polyester polyols and aromatic polyester polyol blends containing biorenewable components and methods of making'20167,767,063'Photo-formed metal nanoparticles and aerogel materials comprising the same'20107,238,261'Photo-formed metal nanoparticles and aerogel materials comprising the same'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Patents assigned to BROWN TECHNOLOGY PARTNERSHIPS (1)· patent assignee history
2007–2010Based in Providence, RI, US· patent location history
2010Patents assigned to UNIV BROWN (1)· patent assignee history
2016Patents assigned to STEPAN CO (2)· patent assignee history
2016–2020Based in Carmel, IN, US· patent location history
2016Based in Wheeling, IL, US· patent location history
2017–2019Patents assigned to US AGRICULTURE (2)· patent assignee history
2017Based in Jiangxi, CN· patent location history
2019Based in Madison, WI, US· patent location history
2020Patents assigned to FIRESTONE BUILDING PROD CO LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| STEPAN CO | 2 | 2016 |
| US AGRICULTURE | 2 | 2017–2019 |
| BROWN TECHNOLOGY PARTNERSHIPS | 1 | 2007 |
| FIRESTONE BUILDING PROD CO LLC | 1 | 2020 |
| UNIV BROWN | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Carmel, IN, US | 2 | 2016–2020 |
| Providence, RI, US | 2 | 2007–2010 |
| Madison, WI, US | 1 | 2019 |
| Jiangxi, CN | 1 | 2017 |
| Wheeling, Illinois, US | 1 | 2016 |