Inventor

Martin B. MacInnis

Inventor

Towanda, PA, US

Overview

41→

Patents

1976–1989

Patent span

Chemistry

Primary field (CPC C)

Patents· 41 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C01Gprimary

C01GCompounds containing metals not covered by subclasses c01d or c01f30%

C22BProduction and refining of metals22%

Y02PClimate change mitigation technologies in the production or processing of goods18%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

B22FWorking metallic powder4%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals3%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals3%

C01BNon-metallic elements2%

C22CAlloys2%

PatentTitleYear

4,816,069'Method for converting cobalt to cobalt metal powder'1989 4,808,384'Recovery of tungsten, scandium, iron, and manganese from tungsten bearing material'1989 4,759,915'Process for extracting tungsten from alkali metal tungstate solutions'1988 4,741,886'Process for recovering tungsten from tungsten bearing material containing arsenic'1988 4,724,128'Method for purifying molybdenum'1988 4,718,995'Recovery of tungsten, scandium, iron, and manganese from tungsten bearing material'1988 4,626,425'Recovery of tungsten from ammoniacal solutions'1986 4,626,280'Recovery of tungsten, scandium, iron, and manganese from tungsten bearing material'1986 4,624,844'Process for producing ammonium paratungstate'1986 4,624,703'Recovery of tungsten, scandium, iron, and manganese values from tungsten bearing material'1986 4,612,182'Method of producing crystalline ammonium metatungstate'1986 4,612,183'Method of producing crystalline ammonium metatungstate'1986 4,608,084'Recovery of cobalt and chromium'1986 4,606,885'High purity cobalt article'1986 4,604,265'Recovery of tungsten and rhenium'1986 4,599,223'Separation of tungsten from rhenium'1986 4,599,224'Recovery of molybdenum from molybdenum disulfide'1986 4,599,222'Recovery of tungsten and rhenium'1986 4,454,098'Process for reclaiming tungsten from a hazardous waste'1984 4,448,755'Method for removal of tin from ammonium tungstates'1984 4,447,404'Recovery of molybdenum from molybdenum disulfide'1984 4,409,019'Method for producing cobalt metal powder'1983 4,381,937'Method for producing cobalt metal powder'1983 4,379,126'Process for recovering tungsten values from alkali solutions'1983 4,374,099'Recovery of tungsten values from alkali tungstate solutions by solvent extraction'1983 4,369,165'Recovery of tungsten values from alkali tungstate solutions by solvent extraction'1983 4,360,502'Recovery of tungsten values from alkali tungstate solutions by solvent extraction'1982 4,348,231'Method of recovering metal carbides'1982 4,288,413'Separating molybdenum values from an aqueous solution containing tungsten by solvent extraction'1981 4,283,257'Process for preparing ammonium metatungstate'1981 4,278,642'Method for removing molybdenum from tungstate solutions by solvent extraction'1981 4,278,463'Process for recovering cobalt'1981 4,261,959'Process for extracting ferric iron from an aqueous solution'1981 4,233,063'Process for producing cobalt powder'1980 4,185,078'Extraction process for recovery of rhenium'1980 4,065,413'Fire resistance wood-based boards, process for producing same and compositions useful therefor'1977 4,049,771'Extraction process for recovery of rhenium'1977 4,011,073'Flame spray powder of cobalt-molybdenum mixed metal agglomerates using a molybdenum salt binder and process for producing same'1977 3,947,555'Process for the reclamation of uncemented tungsten carbide powders'1976 3,947,332'Preparation of heteropoly acids of tungsten and molybdenum'1976 3,936,362'Process for the manufacture of ammonium tungstate ammonium paratungstate, ammonium metatungstate and hydrated tungsten trioxide'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to GTE SYLVANIA INC (7)· patent assignee history

1976–1989Based in Towanda, PA, US· patent location history

1980–1989Patents assigned to GTE PROD CORP (34)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GTE PROD CORP	34	1980–1989
GTE SYLVANIA INC	7	1976–1980

Locations

Location	Patents	Span
Towanda, Pennsylvania, US	41	1976–1989