Inventor

James A. Hinnenkamp

Inventor

Cincinnati, OH, US

Overview

1976–2016

Patent span

Chemistry

Primary field (CPC C)

Patents· 27 as inventor

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry32%

C07CAcyclic or carbocyclic compounds29%

C01BNon-metallic elements13%

Y02PClimate change mitigation technologies in the production or processing of goods10%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%

C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%

C09KMaterials for miscellaneous applications, not provided for elsewhere2%

C10GCracking hydrocarbon oils2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

9,227,902'Compositions for carboxylic acid production and methods for making and using same'2016 6,552,221'Process control for acetic acid manufacture'2003 6,362,366'Manufacturing and process control methods'2002 6,103,934'Manufacturing and process control methods'2000 6,031,129'Use of pentavalent group VA oxides in acetic acid processing'2000 5,817,869'Use of pentavalent Group VA oxides in acetic acid processing'1998 5,344,888'Process for making graft propylene polymers'1994 5,344,886'Process for making graft propylene polymers'1994 5,064,865'Crystalline aluminosilicate compositions, the preparation thereof and their use in the conversion of synthesis gas to low molecular weight hydrocarbons'1991 5,037,787'Nickel pillared interlayered clay'1991 4,980,326'Crystalline aluminosilicate compositions, the preparation thereof and their use in the conversion of synthesis gas to low molecular weight hydrocarbons'1990 4,963,518'Silanated metal-pillared interlayered clay'1990 4,724,275'Crystalline aluminosilicates and their use in the conversion of methanol to low molecular weight hydrocarbons'1988 4,707,500'Synthetic crystalline ferroborosilicate compositions, the preparation thereof and their use in the conversion of synthesis gas to low molecular weight hydrocarbons'1987 4,670,474'Synthetic crystalline metallosilicate compositions, the preparation thereof and their use in the conversion of synthesis gas to low molecular weight hydrocarbons'1987 4,499,298'Process for the production of esters'1985 4,462,971'Preparation of crystalline metal silicate and borosilicate compositions'1984 4,435,598'Process for the catalytic oxidation of propylene to acrylic acid'1984 4,423,020'Crystalline metal silicate compositions'1983 4,415,473'Water gas shift reaction employing intercalated metal carbonyl complex catalyst composition'1983 4,413,146'Transition metal carbonyl complexes intercalated with lamellar materials and use of the intercalated complexes in the catalysis of organic reactions'1983 4,376,757'Synthetic crystalline silicate compositions and preparation thereof'1983 4,331,641'Synthetic crystalline metal silicate compositions and preparation thereof'1982 4,324,695'Catalyst compositions of transition metal carbonyl complexes intercalcated with lamellar materials'1982 4,299,758'Halogenated cyclopentadiene diadducts of diacetylenic compounds'1981 4,188,490'Catalytic oxidation of ethylene to mixtures of acetic acid and vinyl acetate'1980 3,970,697'Oxidation of ethylene to acetic acid'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to NAT DISTILLERS CHEM CORP (15)· patent assignee history

1976–2003Based in Cincinnati, OH, US· patent location history

1983Based in Hamilton, OH, US· patent location history

1990–2000Patents assigned to QUANTUM CHEM CORP (8)· patent assignee history

1990–1991Based in St. Bernard, OH, US· patent location history

2000–2003Patents assigned to MILLENNIUM PETROCHEM INC (3)· patent assignee history

2016Patents assigned to PRETIUM VENTURES AA LLC (1)· patent assignee history

2016Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NAT DISTILLERS CHEM CORP	15	1976–1988
QUANTUM CHEM CORP	8	1990–2000
MILLENNIUM PETROCHEM INC	3	2000–2003
PRETIUM VENTURES AA LLC	1	2016

Locations

Location	Patents	Span
Cincinnati, OH, US	22	1976–2003
St. Bernard, OH, US	2	1990–1991
Hamilton, OH, US	2	1983
Houston, Texas, US	1	2016