Inventor
Klaus Szablikowski
Inventor
Walsrode, DE
Overview
Patents· 45 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Bprimary
C08BPolysaccharides28%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C04BLime, magnesia7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
D06PDyeing or printing textiles4%
D21HPulp compositions4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C08LCompositions of macromolecular compounds3%
PatentTitleYear
6,939,960'Cellulose ethers'20056,559,300'Water-soluble biodegradable hydroxyalkyl cellulose-2-hydroxycarboxylic acid esters which can flocculate'20036,482,940'Cellulose ethers and method for producing the same'20026,146,858'Method for producing cellulose derivatives'20005,886,095'Process for the preparation of retention and dewatering agents based on polyamino-ethers'19995,808,052'Use of cellulose mixed ethers as additives for earth pressure shields'19985,639,865'Thermoplastic biodegradable polysaccharide derivatives, process for the manufacture thereof and use thereof'19975,635,569'Superabsorbent polymers from cross-linked polyacrylonitrile emulsions'19975,614,616'Process for the production of polysaccharides'19975,585,471'Method for preparing a mixture of .alpha.- and .beta.-chloroethyl-glucopyranose'19965,484,903'Process for the production of polysaccharide carbonates'19965,466,794'Thermoplastic cellulose ether ester graft copolymers and process for their production'19955,463,036'Carboxymethylcellulose and its use in textile printing'19955,463,034'Polysaccharides, process for their preparation and their use'19955,455,341'Highly substituted carboxymethyl sulfoethyl cellulose ethers (CMSEC), a process for their production and their use in textile printing'19955,446,107'Method for the preparation of cationic, water-soluble polymers and their use'19955,442,054'Highly substituted sulphoalkycellulose derivatives, especially sulphoethycellulose ether, a process for their preparation and their use as thickening agent for textile printing pastes'19955,393,845'Process for the production of low molecular weight acrylonitrile polymers and their use'19955,385,607'Water-soluble sulphoalkyl hydroxyalkyl derivatives of cellulose and their use in gypsum- and cement-containing compounds'19955,385,585'Use of anionic alkyl cellulose mixed ethers in textile printing'19955,378,826'Process for the preparation of a storage stable low esterified nitrocellulose moistened with alcohol or water'19955,358,561'Use of water-soluble sulphoalkyl derivatives of cellulose in gypsum-and cement-containing compounds'19945,352,730'Coating system for materials which swell in water'19945,324,777'Process for the production of polymers containing ammonium groups'19945,324,776'Process for the preparation of polymers containing amino groups'19945,310,849'Amino and ammonium isocyanates, a process for their preparation, their use for the production of polymers containing ammonium groups and the polymers thus produced'19945,294,702'Water-soluble polymerizable 3-allyloxy-2-hydroxypropylether of cellulose'19945,278,304'Water-soluble sulfoethyl cellulose ethers of very high solution quality and a process for their production'19945,274,067'Binders containing ethylenically unsaturated groups and their use for the production of paints'19935,182,380'Dihydroxypropyl sulphoethyl celluloses, their preparation and their use'19935,177,199'Water-soluble hydroxypropyl sulfoethyl cellulose derivatives (HPSEC) having a low degree of substitution and a process for their production'19935,071,892'Desensitized nitrocellulose mixtures'19915,068,321'Carbonic acid esters of polysaccharides and a process for their production'19915,001,232'Carboxymethylsulphoethyl celluloses and a process for their preparation'19914,990,609'Sulfoethyl cellulose of high solution quality and a process for its production'19914,988,790'Substances for the manufacture of paper'19914,978,750'Process for the production of heteropolysaccharides having improved properties, more especially xanthan'19904,933,428'Polymerizable water soluble binders'19904,772,329'Aqueous dispersions based on cellulose nitrates, a process for their production and their use as quick-hardening coatings'19884,731,121'Viscous cellulose-containing mixture (paste) and use thereof in the production of aqueous coating dispersions'19884,727,116'Water-soluble polymers and use as building material auxiliaries'19884,703,087'Water-soluble polymers and their use as auxiliaries for building materials'19874,590,019'Processes for the production of free-flowing nitrocellulose'19864,517,324'Viscous cellulose-containing mixture (paste) and a process for the production of aqueous coating emulsions therefrom'19854,330,441'Solvent-soluble substances characterized in that water-soluble cellulose ethers are chemically bonded to water-soluble, at least predominately synthetic polymers containing acrylic units'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2005Patents assigned to WOLFF WALSRODE AG (39)· patent assignee history
1982–2005Based in Walsrode, DE· patent location history
1985–1997Patents assigned to BAYER AG (4)· patent assignee history
1994Patents assigned to WOLFF WALSTRODE AG (1)· patent assignee history
1994Patents assigned to WOLFF WARLSRODE AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WOLFF WALSRODE AG | 39 | 1982–2005 |
| BAYER AG | 4 | 1985–1997 |
| WOLFF WALSTRODE AG | 1 | 1994 |
| WOLFF WARLSRODE AG | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Walsrode, DE | 45 | 1982–2005 |