Inventor
Roger W. Bergman
Inventor
Midland, MI, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B03Dprimary
B03DFlotation50%
C04BLime, magnesia8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C08LCompositions of macromolecular compounds8%
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 material8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
8,709,574'Frothable aqueous composition for use in a carpet backing composition'20148,710,131'Stabilized redispersible polymer powder compositions'2014RE032778'Frothers demonstrating enhanced recovery of coarse particles in froth floatation'19884,699,711'Novel O,O\'-, O,S\'- or S,S\'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamothioates) and S,S\'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamodithioates) useful as froth flotation collectors'19874,618,461'O,O\'-, O,S\'- or S,S\'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamothioates) and S,S\'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamodithioates) and method of preparation thereof'19864,605,519'O- and S-(2-mercaptoalkyl)- mono- or dihydrocarbyl carbamothioates and S-(2-mercaptoalkyl)mono- or dihydrocarbyl carbamodithioates'19864,582,596'Frothers demonstrating enhanced recovery of coarse particles in froth floatation'19864,511,464'1,3-Oxathiolane-2-thiones as sulfide mineral collectors in froth flotation'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1987Patents assigned to DOW CHEMICAL CO (5)· patent assignee history
1985–2014Based in Midland, MI, US· patent location history
2014Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (2)· patent assignee history
2014Patents assigned to BERGMAN ROGER (1)· patent assignee history
2014Patents assigned to BERGMAN ROGER W (1)· patent assignee history
2014Patents assigned to HONG LIANG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 5 | 1985–1987 |
| DOW GLOBAL TECHNOLOGIES LLC | 2 | 2014 |
| BERGMAN ROGERself | 1 | 2014 |
| BERGMAN ROGER Wself | 1 | 2014 |
| HONG LIANG | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 8 | 1985–2014 |