Inventor

Jurgen Engelhardt

Inventor
Fallingbostel, DE

Overview

16→
Patents
1992–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 16 as inventor

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

C08Bprimary
C08BPolysaccharides23%
C08LCompositions of macromolecular compounds14%
A61KPreparations for medical, dental or toiletry purposes9%
C04BLime, magnesia9%
C08JWorking-up9%
C09DCoating compositions, e.g. paints, varnishes or lacquers7%
Y10TTechnical subjects covered by former us classification7%
A61QSpecific use of cosmetics or similar toiletry preparations5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for2%
PatentTitleYear
8,722,092'Nanoparticles made of amorphous cellulose'20148,338,494'Nanoparticles from slightly oxidised cellulose'20128,182,839'Production of cellulose nanoparticles'20127,777,026'Aminoalkyl-containing guar derivatives'20107,683,110'Preparation of cellulose ether products of increased viscosity and fineness'20107,491,755'Cellulose ether composition for the extrusion of mineral shaped bodies and also a process for the extrusion of mineral shaped bodies using this cellulose ether composition'20097,041,168'Process for cement extrusion that makes use of crosslinked cellulose additives'20066,559,300'Water-soluble biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid esters which can flocculate'20036,403,787'Thermoplastic material consisting of aliphatic carbamic acid derivatives of polysaccharides and low-molecular urea derivatives as well as a process for their preparation and use of the same'20026,146,858'Method for producing cellulose derivatives'20005,861,506'Compostable and thermoplastic cellulose ether-2-hydroxycarboxylic acid esters and mixed esters'19995,717,087'Thermoplastic and biodegradable polysaccharide esters/polysaccharide ether esters containing maleic acid addition product groups'19985,698,612'Thermoplastically workable, biodegradable moulding compositions'19975,639,865'Thermoplastic biodegradable polysaccharide derivatives, process for the manufacture thereof and use thereof'19975,466,794'Thermoplastic cellulose ether ester graft copolymers and process for their production'19955,134,219'Stiff-chain polyheterocycles having improved solubility, a process for their production and their use'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Patents assigned to BAYER AG (2)· patent assignee history
1992Based in Hamburg, DE· patent location history
1995–2003Patents assigned to WOLFF WALSRODE AG (7)· patent assignee history
1995–1997Based in Bomlitz, DE· patent location history
1997–2014Based in Fallingbostel, DE· patent location history
2000–2003Based in Leverkusen, DE· patent location history
2010Patents assigned to DOW GLOBAL TECHNOLOGIES INC (2)· patent assignee history
2012–2014Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (3)· patent assignee history
2012–2014Patents assigned to NACHTKAMP KLAUS (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WOLFF WALSRODE AG71995–2003
DOW GLOBAL TECHNOLOGIES LLC32012–2014
NACHTKAMP KLAUS32012–2014
BAYER AG21992–1997
DOW GLOBAL TECHNOLOGIES INC22010
Locations
LocationPatentsSpan
Fallingbostel, DE111997–2014
Leverkusen, DE22000–2003
Bomlitz, DE21995–1997
Hamburg, DE11992