Inventor

Rudolf Schuhmacher

Inventor

Boehl-Iggelheim, DE

Overview

16→

Patents

1989–2013

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.

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds26%

D21HPulp compositions21%

B01DSeparation7%

C08JWorking-up7%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

C08BPolysaccharides5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material5%

PatentTitleYear

8,420,751'Method for producing a polymer'2013 8,188,197'Method for producing a polymer'2012 6,835,767'Polymer dispersions containing starch'2004 6,159,340'Hydrolyzed polymers of N-vinylcarboxamides as paper, paperboard and cardboard dry strength enhancers'2000 6,114,435'Preparation of aqueous solutions of polymers containing vinylamine units, which solutions have a long shelf life, and their use'2000 6,060,566'Graft polymers of polymers containing vinyl ester and/or vinyl alcohol units and ethylenically unsaturated compounds, their preparation and their use'2000 6,048,945'Graft polymers comprising polymers, containing alkylene oxide units, and ethylenically unsaturated compounds, their preparation and their use'2000 5,851,300'Cationic modification of starch and use of the cationically modified starch'1998 5,744,066'Defoaming and deaerating mixtures for aqueous media prone to foaming'1998 5,700,351'Antifoams based on oil-in-water emulsions for the paper industry'1997 5,630,907'Use of hydrolyzed copolymers of N-vinylcarboxamides and monoethylenically unsaturated carboxylic acids in papermaking'1997 5,326,499'Antifoams for the paper industry, based on oil-in-water emulsions'1994 5,300,359'Non woven material containing aqueous polymer dispersions'1994 5,270,376'Aqueous polymer dispersion having divalent metal salt(s) incorporated therein'1993 5,084,371'Positive-working, radiation-sensitive mixture based on acid-cleavable and photochemically acid-forming compounds, and the production of relief patterns and relief images'1992 4,835,232'Heat-curable molding compositions'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2004Patents assigned to BASF AG (14)· patent assignee history

1989–2013Based in Boehl-Iggelheim, DE· patent location history

2012–2013Patents assigned to ARENS GUILLERMO (2)· patent assignee history

2012–2013Patents assigned to BASF SE (2)· patent assignee history

2012–2013Patents assigned to BIRKERT OLIVER (2)· patent assignee history

2012–2013Patents assigned to GUBAYDULLIN ILSHAT (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	14	1989–2004
ARENS GUILLERMO	2	2012–2013
BASF SE	2	2012–2013
BIRKERT OLIVER	2	2012–2013
GUBAYDULLIN ILSHAT	2	2012–2013

Locations

Location	Patents	Span
Boehl-Iggelheim, DE	16	1989–2013