Roger W. Bergman

Person

Midland, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Frothers demonstrating enhanced recovery of coarse particles in fro...
- Patent number RE32778
- Issue date Nov 8, 1988
- The Dow Chemical Company
- Robert D. Hansen
- 209 - Classifying, separating, and assorting solids
Information Patent Grant
Novel O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydrocar...
- Patent number 4,699,711
- Issue date Oct 13, 1987
- Dow Chemical Company
- Roger W. Bergman
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl ca...
- Patent number 4,618,461
- Issue date Oct 21, 1986
- The Dow Chemical Company
- Roger W. Bergman
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
O- and S-(2-mercaptoalkyl)- mono- or dihydrocarbyl carbamothioates...
- Patent number 4,605,519
- Issue date Aug 12, 1986
- The Dow Chemical Company
- Roger W. Bergman
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Frothers demonstrating enhanced recovery of coarse particles in fro...
- Patent number 4,582,596
- Issue date Apr 15, 1986
- The Dow Chemical Company
- Robert D. Hansen
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
1,3-Oxathiolane-2-thiones as sulfide mineral collectors in froth fl...
- Patent number 4,511,464
- Issue date Apr 16, 1985
- The Dow Chemical Company
- Roger W. Bergman
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Roger W. Bergman

Person

Patents Grantslast 30 patents

Frothers demonstrating enhanced recovery of coarse particles in fro...

Novel O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydrocar...

O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl ca...

O- and S-(2-mercaptoalkyl)- mono- or dihydrocarbyl carbamothioates...

Frothers demonstrating enhanced recovery of coarse particles in fro...

1,3-Oxathiolane-2-thiones as sulfide mineral collectors in froth fl...