Inventor
Leo Zhaoqing Liu
Inventor
Lawrenceville, NJ, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds25%
C07CAcyclic or carbocyclic compounds14%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
A61KPreparations for medical, dental or toiletry purposes8%
C11DDetergent compositions8%
A01NPreservation of bodies of humans or animals or plants or parts thereof6%
A61QSpecific use of cosmetics or similar toiletry preparations6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C12NMicroorganisms or enzymes6%
PatentTitleYear
10,196,560Proppant treatment with polymerizable natural oils20198,889,653'Grafting polymerization of guar and other polysaccharides by electron beams'20148,796,487'Process for the preparation of highly purified, dialkydithiophosphinic compounds'20148,258,342'Process for making a (meth)acrylamide monomer'20128,119,733'Reactive monomeric surfactants'20127,858,722'Process for making an acrylic monomer having one or more quaternary ammonium groups and its polymers'20107,838,667'Grafting polymerization of guar and other polysaccharides by electron beams'20107,585,927'Reactive surfactants and their use in emulsions and dispersions'20097,572,931'Process for the preparation of highly purified, dialkydithiophosphinic compounds'20097,259,192'Molecular weight reduction of polysaccharides by electron beams'20077,247,693'Monomer compound comprising several cationic groups, process for making the same, and polymers comprising units deriving therefrom'20077,064,232'Hydrophobic modified diquaternary monomers and polymers as thickening agents of acidic aqueous compositions'20067,064,243'Screens and assays for agents useful in controlling parasitic nematodes'20067,030,275'Monomer compound comprising several cationic groups, process for making the same, and polymers comprising units deriving therefrom'20066,846,482'Insect control agent'20056,838,514'Polymers which exhibit thermothickening properties and process making same'20056,376,631'Processes to control the residual monomer level of copolymers of tertiary amino monomer with a vinyl-functional monomer'20026,326,193'Insect control agent'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2006Patents assigned to CAMBRIA BIOSCIENCES LLC (2)· patent assignee history
2001–2006Based in Weston, MA, US· patent location history
2002–2014Patents assigned to RHODIA (11)· patent assignee history
2005Patents assigned to CAMBRIA BIOSCIENCES (1)· patent assignee history
2006–2012Based in Lawrenceville, NJ, US· patent location history
2009–2012Based in Shanghai, CN· patent location history
2012–2014Patents assigned to LIU LEO ZHAOQING (4)· patent assignee history
2012–2014Patents assigned to RHODIA OPERATIONS (3)· patent assignee history
2014Based in Pennington, NJ, US· patent location history
2019Based in Calgary, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RHODIA | 11 | 2002–2014 |
| LIU LEO ZHAOQINGself | 4 | 2012–2014 |
| RHODIA OPERATIONS | 3 | 2012–2014 |
| CAMBRIA BIOSCIENCES LLC | 2 | 2001–2006 |
| CAMBRIA BIOSCIENCES | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lawrenceville, New Jersey, US | 7 | 2006–2012 |
| Shanghai, CN | 3 | 2009–2012 |
| Weston, Massachusetts, US | 3 | 2001–2006 |
| Pennington, New Jersey, US | 2 | 2014 |
| Calgary, CA | 1 | 2019 |