Inventor
Jun Li
Inventor
Shanghai, CN
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Hprimary
D21HPulp compositions28%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials14%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management14%
A01NPreservation of bodies of humans or animals or plants or parts thereof7%
A01GHorticulture3%
B21BRolling of metal3%
B22DCasting of metals3%
B23KSoldering or unsoldering3%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
D0921864Humidifier202110,704,201Dry strength agent composition and method for enhancing the dry strength of paper202010,683,561Method for directly producing pickling-free hot-plated sheet strip product from molten steel202010,145,067Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking20189,693,554'Plant growth accelerator'20179,642,361'Method for changing the development pattern, increasing the growth and the accumulation of starch, changing the structure of starch and increasing the resistance to water stress in plants'20179,506,202'Furnish pretreatment to improve paper strength aid performance in papermaking'20169,487,916'Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking'20169,314,869'Method of recovering a bonding apparatus from a bonding failure'20168,882,964'Furnish pretreatment to improve paper strength aid performance in papermaking'20148,709,208'Method to increase dewatering, sheet wet web strength and wet strength in papermaking'20148,465,623'Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking'20138,088,250'Method of increasing filler content in papermaking'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2016Patents assigned to NALCO CO (6)· patent assignee history
2012–2017Patents assigned to LI JUN (5)· patent assignee history
2012–2014Patents assigned to CHENG WEIGUO (4)· patent assignee history
2012–2014Patents assigned to RAO QING LONG (4)· patent assignee history
2012–2014Patents assigned to ZHAO YULIN (4)· patent assignee history
2012–2018Based in Huangshi, CN· patent location history
2013–2020Based in Shanghai, CN· patent location history
2017Based in Minato-ku, JP· patent location history
2017Based in Mutilva, CN· patent location history
2021Based in Shenzhen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NALCO CO | 6 | 2012–2016 |
| LI JUNself | 5 | 2012–2017 |
| CHENG WEIGUO | 4 | 2012–2014 |
| RAO QING LONG | 4 | 2012–2014 |
| ZHAO YULIN | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 6 | 2013–2020 |
| Huangshi, CN | 2 | 2012–2018 |
| Shenzhen, CN | 1 | 2021 |
| Minato-ku, JP | 1 | 2017 |
| Mutilva, CN | 1 | 2017 |