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Inventor

Bernd Schriewer

Inventor
Walsrode, DE

Overview

3→
Patents
1990–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C08Bprimary
C08BPolysaccharides20%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for10%
A61KPreparations for medical, dental or toiletry purposes10%
A61QSpecific use of cosmetics or similar toiletry preparations10%
C04BLime, magnesia10%
C08LCompositions of macromolecular compounds10%
C09DCoating compositions, e.g. paints, varnishes or lacquers10%
C09KMaterials for miscellaneous applications, not provided for elsewhere10%
F42CAmmunition fuzes10%
PatentTitleYear
7,868,166'Continuous process for the production and/or workup of polysaccharide derivatives'20116,593,468'Essentially fiber-free cellulose ether with improved water retention, method for the production and use thereof'20034,972,007'Use of cellulose derivatives in drilling fluids'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2003Patents assigned to WOLFF WALSRODE AG (2)· patent assignee history
1990–2011Based in Walsrode, DE· patent location history
2011Patents assigned to DOW GLOBAL TECHNOLOGIES INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WOLFF WALSRODE AG21990–2003
DOW GLOBAL TECHNOLOGIES INC12011
Locations
LocationPatentsSpan
Walsrode, DE31990–2011