Inventor
Gunter Sackmann
Inventor
Leverkusen, DE
Overview
Patents· 32 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 bonds33%
D21HPulp compositions21%
A61LMethods or apparatus for sterilising materials or objects in general4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
Y02ATechnologies for adaptation to climate change4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing3%
G03CPhotosensitive materials for photographic purposes3%
H01BCables3%
PatentTitleYear
6,590,040'Process for the continuous production of superabsorbent polymers from PAN emulsions'20036,573,358'Process for the preparation of superabsorbent polymers from polyacrylonitrile precipitation polymers'20036,426,381'Fine-particle polymer dispersions for paper sizing'20026,379,751'Imparting water-repellency with polysiloxanes containing carboxyl groups'20026,339,117'Whitened polymers and the use thereof in coating slips for coating substrates'20026,310,132'Sizing agents for paper'20016,288,158'Modified superabsorbent polymer based on polyacrylonitrile emulsions'20016,156,848'Pre-formed super absorbers with high swelling capacity'20005,728,774'Process for the continuous production of superabsorbent polymers from pan emulsions'19985,635,569'Superabsorbent polymers from cross-linked polyacrylonitrile emulsions'19975,567,779'Super-absorbent polymers'19965,487,964'Powder mixtures for metallization of substrate surfaces'19965,472,741'Softening and waterproofing retanning agents'19955,356,985'Highly-concentrated aqueous polyacrylonitrile emulsions and a method for their preparation'19945,288,787'Emulsion polymers'19945,258,466'Paper size'19935,030,697'Polymer-bound dyes, process for their production and use'19915,013,794'Polymers of diisobutylene-sulfonate alkane maleic acid derivatives'19914,931,510'Polymers from ethylenic monomers'19904,771,097'Tub sizes for paper'19884,670,516'Copolymers based on maleic anhydride and .alpha., .beta.-unsaturated compounds a process for their preparation and their use as paraffin inhibitors'19874,614,759'Surface sizing agents for paper'19864,613,337'Process for dyeing cellulose-containing fibre materials by the cold pad-batch or pad-steam method: maleic anhydride-styrene copolymer'19864,596,863'N-alkylimide copolymers and their use as sizing agents'19864,568,421'Monofluorotriazinyl compounds, processes for their preparation and their use as sizing agents'19864,524,131'Photographic silver halide recording material with graft copolymer particles in outer layer'19854,481,319'Low-foam surface sizing agents for paper which contain copolymeric _maleic anhydride semi-amides'19844,287,299'Process for the production of matting layers'19814,152,312'Paper-sizing agents'19794,151,336'Process for the production of a substantially equimolecular copolymer of maleic acid anhydride and diisobutylene'19794,113,506'Emulsions of resinic acid isocyanates as sizing agents for paper'19784,048,422'Production of copolymer powders from maleic anhydride and 1-olefins'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2003Patents assigned to BAYER AG (30)· patent assignee history
1977–1979Based in Opladen, DT· patent location history
1978–2003Based in Leverkusen, DE· patent location history
1981–1985Patents assigned to AGFA GEVAERT AG (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 30 | 1977–2003 |
| AGFA GEVAERT AG | 2 | 1981–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leverkusen, DE | 30 | 1978–2003 |
| Opladen, DT | 2 | 1977–1979 |