Inventor
Alan S. Rothenberg
Inventor
Wilton, CT, US
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B03Dprimary
B03DFlotation20%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals13%
C02FTreatment of water, waste water, sewage, or sludge13%
B01DSeparation8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C22BProduction and refining of metals5%
C23FNon-mechanical removal of metallic material from surface5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
C07CAcyclic or carbocyclic compounds4%
PatentTitleYear
9,302,272'Froth flotation processes'20169,302,273'Froth flotation processes'20169,302,274'Collector compositions and methods of using the same'20168,703,088'Process for removing hydrazine from hydroxlyamine solutions'20148,685,256'Microdispersions of hydroxamated polymers and methods of making and using them'20147,763,698'Composition for preventing or reducing aluminosilicate scale in industrial processes'20107,442,755'Polymers for preventing or reducing aluminosilicate scale in a bayer process'20087,393,462'Process and reagent for separating finely divided titaniferrous impurities from Kaolin'20087,390,415'Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes'20087,011,216'Process for the beneficiation of sulfide minerals'20066,988,623'Beneficiation of sulfide minerals'20066,820,746'Process for the beneficiation of sulfide minerals'20046,814,873'Method of preventing or reducing aluminosilicate scale in a bayer process'20046,739,454'Mineral collector compositions and processes for making and using same'20046,732,867'Beneficiation of sulfide minerals'20046,409,022'Mineral collector compositions and processes for making and using same'20026,390,301'Process for removing impurities from kaolin clays'20026,145,667'Mineral collector compositions and processes for making and using same'20005,847,056'Method of making polymers containing hydroxamate functional groups'19985,733,460'Use of hydroxamated polymers to alter Bayer Process scale'19985,733,459'Use of hydroxamated polymers to alter bayer process scale'19985,688,403'Removal of metal ions from solution'19975,665,244'Reduction of impurities in bayer process alumina trihydrate'19975,368,745'Method of flocculating low metal oxide content solids in a liquid'19944,902,764'Polymeric sulfide mineral depressants'19904,744,893'Polymeric sulfide mineral depressants'19884,720,339'Flotation beneficiation process for non-sulfide minerals'19884,717,550'Process for purifying alumina'19884,410,706'Preparation of 2-vinylimidazoles by dehydrogenation of 2-ethylimidazoles and 2-ethylimidazolines'19834,299,939'Homopolymers and copolymers of 2-alkenylimidazole or its 1,3-dialkyl-2-alkenylimidazolium salts'19814,267,372'Preparation of N-substituted acrylamide monomers having cationic substituents'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1990Patents assigned to AMERICAN CYANAMID CO (7)· patent assignee history
1981–2016Based in Wilton, CT, US· patent location history
1981Based in East Norwalk, CT, US· patent location history
1983–1990Based in Norwalk, CT, US· patent location history
1994–2016Patents assigned to CYTEC TECH CORP (23)· patent assignee history
2002Patents assigned to CYTEC IND INC (1)· patent assignee history
2014Patents assigned to CHEN HAUNN-LIN TONY (1)· patent assignee history
2014Patents assigned to LEWELLYN MORRIS (1)· patent assignee history
2014Based in Ivins, UT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CYTEC TECH CORP | 23 | 1994–2016 |
| AMERICAN CYANAMID CO | 7 | 1981–1990 |
| CHEN HAUNN-LIN TONY | 1 | 2014 |
| CYTEC IND INC | 1 | 2002 |
| LEWELLYN MORRIS | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wilton, CT, US | 24 | 1981–2016 |
| Norwalk, CT, US | 5 | 1983–1990 |
| Ivins, UT, US | 1 | 2014 |
| East Norwalk, CT, US | 1 | 1981 |