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Inventor

Qu-Ming Gu

Inventor
Bear, DE, US

Overview

22→
Patents
2000–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 22 as inventor

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

D21Hprimary
D21HPulp compositions33%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds16%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials10%
C08BPolysaccharides8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08LCompositions of macromolecular compounds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C07HSugars2%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%
C09JAdhesives2%
PatentTitleYear
10,618,992Hydrophobic vinylamine-containing polymer compositions and their use in papermaking applications20209,885,155'Modified vinylamine containing polymers and their use in papermaking'20189,879,380'Modified of improving dry strength and/or drainage of a paper or paperboard'20189,783,933'Modified vinylamine-containing polymers and their use in papermaking'20179,663,899'Method for making lignocellulosic paper and paper product'20179,011,643'Cellulase composition containing cellulase and papermaking polymers for paper dry strength application'20158,614,279'Process to produce an acylated vinylamine-containing polymer and its application as a papermaking additive'20138,604,134'Modified vinylamine-containing polymers as additives in papermaking'20138,518,215'Quaternary vinylamine-containing polymers as additives in papermaking'20138,506,757'Hydrophobically modified poly(aminoamides)'20138,444,818'Stable and aqueous compositions of polyvinylamines with cationic starch, and utility for papermaking'20138,388,806'Hydrophobically modifed poly[ethylene glycol] for use in pitch and stickies control in pulp and papermaking processes'20138,147,968'Diluents for crosslinker-containing adhesive compositions'20127,902,312'Michael addition adducts as additives for paper and papermaking'20116,846,923'Oxime-linked polysaccharides and methods of preparing the same'20056,677,427'Enzyme-catalyzed polyamides and compositions and processes of preparing and using the same'20046,667,384'Methyl acrylate-diamine based polyamide resins and processes for producing the same'20036,624,298'Esterified polysaccharide products and -lactone ring opened ketene dimer products containing the compositions, and process of making the same'20036,528,643'Esterified polysaccharide products and B-lactone ring opened ketene dimer products containing the compositions, and process of making the same'20036,527,915'Proteins for use as pitch and stickies control agents in pulp and papermaking processes'20036,461,477'Proteins and polymers for use as pitch and stickies control agents in pulp and papermaking processes'20026,159,721'Amine modified polysaccharides'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2015Patents assigned to HERCULES INC (16)· patent assignee history
2000–2020Based in Wilmington, DE, US· patent location history
2002–2005Based in Hockessin, DE, US· patent location history
2011–2018Based in Bear, DE, US· patent location history
2012–2013Patents assigned to GU QU-MING (7)· patent assignee history
2013Patents assigned to MCKAY JONATHAN M (3)· patent assignee history
2013Patents assigned to CHENG HUAI N (2)· patent assignee history
2017–2020Patents assigned to SOLENIS TECH LP (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HERCULES INC162000–2015
GU QU-MINGself72012–2013
SOLENIS TECH LP52017–2020
MCKAY JONATHAN M32013
CHENG HUAI N22013
Locations
LocationPatentsSpan
Bear, Delaware, US132011–2018
Hockessin, Delaware, US72002–2005
Wilmington, Delaware, US22000–2020