Harold E. Bellis

Person

Wilmington, DE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for making aqueous betaine solutions
- Patent number 5,696,287
- Issue date Dec 9, 1997
- Ducoa, L.P.
- Harold Edward Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the combined synthesis of betaine and choline chloride
- Patent number 5,684,191
- Issue date Nov 4, 1997
- Ducoa, L.P.
- Harold Edward Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the synthesis of curcumin-related compounds
- Patent number 5,679,864
- Issue date Oct 21, 1997
- Gene Print Inc.
- Mark Harry Krackov
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the synthesis of lactide or glycolide from lactic acid...
- Patent number 5,374,743
- Issue date Dec 20, 1994
- E. I. Du Pont de Nemours and Company
- Chester A. Thayer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Rapidly degradable poly (hydroxyacid) compositions
- Patent number 5,278,256
- Issue date Jan 11, 1994
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for solubilizing formaldehyde oligomers
- Patent number 5,179,232
- Issue date Jan 12, 1993
- E. I. Du Pont de Nemours and Company
- Edward J. Balthazar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous catalyzed vapor phase dimeric cyclic ester process
- Patent number 5,138,074
- Issue date Aug 11, 1992
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dehydrogenation of diols
- Patent number 5,110,954
- Issue date May 5, 1992
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Biodegradable compositions for controlled release of chemical agents
- Patent number 5,110,868
- Issue date May 5, 1992
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Placement process for oil field chemicals
- Patent number 4,986,353
- Issue date Jan 22, 1991
- Conoco Inc.
- Charles R. Clark
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing phenyl esters of substituted acids
- Patent number 4,985,180
- Issue date Jan 15, 1991
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing monomethylformamide and dimethylformamide
- Patent number 4,853,485
- Issue date Aug 1, 1989
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing highly pure cyclic esters
- Patent number 4,727,163
- Issue date Feb 23, 1988
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composition and method for temporarily reducing permeability of sub...
- Patent number 4,715,967
- Issue date Dec 29, 1987
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing substituted formamides
- Patent number 4,543,424
- Issue date Sep 24, 1985
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for deactivating catalyst in preparation of dimethylformamid...
- Patent number 4,354,041
- Issue date Oct 12, 1982
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recycling catalyst in preparation of dimethylformamide from dimethy...
- Patent number 4,302,598
- Issue date Nov 24, 1981
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing substituted formamides
- Patent number 4,281,193
- Issue date Jul 28, 1981
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Melt oxychlorination process
- Patent number 4,130,595
- Issue date Dec 19, 1978
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing polyether glycols
- Patent number 4,127,513
- Issue date Nov 28, 1978
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Chemical plating process
- Patent number 4,002,778
- Issue date Jan 11, 1977
- E. I. Du Pont de Nemours and Company
- Harold E. Bellis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Harold E. Bellis

Person

Patents Grantslast 30 patents

Process for making aqueous betaine solutions

Process for the combined synthesis of betaine and choline chloride

Process for the synthesis of curcumin-related compounds

Process for the synthesis of lactide or glycolide from lactic acid...

Rapidly degradable poly (hydroxyacid) compositions

Process for solubilizing formaldehyde oligomers

Continuous catalyzed vapor phase dimeric cyclic ester process

Dehydrogenation of diols

Biodegradable compositions for controlled release of chemical agents

Placement process for oil field chemicals

Process for preparing phenyl esters of substituted acids

Method for producing monomethylformamide and dimethylformamide

Process for preparing highly pure cyclic esters

Composition and method for temporarily reducing permeability of sub...

Process for preparing substituted formamides

Method for deactivating catalyst in preparation of dimethylformamid...

Recycling catalyst in preparation of dimethylformamide from dimethy...

Process for preparing substituted formamides

Melt oxychlorination process

Method for preparing polyether glycols

Chemical plating process