Bergna; Horacio E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Bergna; Horacio E..The latest application filed is for "ceramic dielectric composition and method for preparation".

Company Profile

0.12.0

Bergna; Horacio E. - Wilmington DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Ceramic dielectric composition and method for preparation Grant 5,082,810 - Bergna , et al. January 21, 1	1992-01-21
Ceramic dielectric compositions and method for improving sinterability Grant 5,011,804 - Bergna , et al. April 30, 1	1991-04-30
Method of making maleic anhydride Grant 4,769,477 - Bergna September 6, 1	1988-09-06
Modified 8-ring zeolites as catalysts Grant 4,752,596 - Bergna , et al. June 21, 1	1988-06-21
Modified 8-ring zeolites as catalysts for conversion of methanol and ammonia to dimethylamine Grant 4,683,334 - Bergna , et al. July 28, 1	1987-07-28
Attrition resistant catalysts, catalyst precursors and catalyst supports and process for preparing same Grant 4,677,084 - Bergna June 30, 1	1987-06-30
Process for preparing superficially porous supports for chromatography and catalysts Grant 4,477,492 - Bergna , et al. October 16, 1	1984-10-16
High ratio silicate foundry sand binders Grant 4,316,744 - Bergna February 23, 1	1982-02-23
Aluminosilicate sols and powders Grant 4,272,409 - Bergna June 9, 1	1981-06-09
Petroleum refinery processes using catalyst of aluminosilicate sols and powders Grant 4,257,874 - Bergna March 24, 1	1981-03-24
Stable aluminosilicate aquasols having uniform size particles and their preparation Grant 4,217,240 - Bergna August 12, 1	1980-08-12
Spray dried silica for chromatography Grant 4,131,542 - Bergna , et al. December 26, 1	1978-12-26

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