Inventor

Horacio E. Bergna

Inventor

Wilmington, DE, US

Overview

1976–2000

Patent span

Performing operations

Primary field (CPC B)

Patents· 19 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 chemistry36%

C07CAcyclic or carbocyclic compounds11%

C04BLime, magnesia8%

B22CFoundry moulding6%

C01BNon-metallic elements6%

C10GCracking hydrocarbon oils6%

H01GCapacitors6%

Y10TTechnical subjects covered by former us classification6%

B82YSpecific uses or applications of nanostructures3%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%

PatentTitleYear

6,103,653'Attrition resistant zeolite catalysts for production of methylamines in fluidized bed reactors'2000 6,100,211'Attrition resistant zeolite catalysts for production of methylamines in fluidized bed reactors'2000 5,569,785'Attrition resistant zeolite catalysts for production of methylamines in fluidized bed reactors'1996 5,082,810'Ceramic dielectric composition and method for preparation'1992 5,011,804'Ceramic dielectric compositions and method for improving sinterability'1991 4,849,539'Method of making acrylonitrile'1989 4,769,477'Method of making maleic anhydride'1988 4,752,596'Modified 8-ring zeolites as catalysts'1988 4,683,334'Modified 8-ring zeolites as catalysts for conversion of methanol and ammonia to dimethylamine'1987 4,677,084'Attrition resistant catalysts, catalyst precursors and catalyst supports and process for preparing same'1987 4,477,492'Process for preparing superficially porous supports for chromatography and catalysts'1984 4,410,405'Silica sol process'1983 4,316,744'High ratio silicate foundry sand binders'1982 4,272,409'Aluminosilicate sols and powders'1981 4,257,874'Petroleum refinery processes using catalyst of aluminosilicate sols and powders'1981 4,217,240'Stable aluminosilicate aquasols having uniform size particles and their preparation'1980 4,162,238'Foundry mold or core compositions and method'1979 4,131,542'Spray dried silica for chromatography'1978 3,951,680'Filled polyolefin compositions'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2000Patents assigned to DU PONT (19)· patent assignee history

1976–2000Based in Wilmington, DE, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DU PONT	19	1976–2000

Locations

Location	Patents	Span
Wilmington, Delaware, US	19	1976–2000