Karl David Sears

Person

Shelton, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Nitrite-oxidized lignosulfonates and method of making the same and...
- Patent number 5,169,931
- Issue date Dec 8, 1992
- ITT Rayonier Inc.
- Karl D. Sears
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preparation of highly reactive cellulose
- Patent number 4,399,275
- Issue date Aug 16, 1983
- ITT Corporation
- Karl D. Sears
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Etherification of bark extracts
- Patent number 4,064,166
- Issue date Dec 20, 1977
- International Telephone & Telegraph Corporation
- Karl David Sears
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Soil conditioners and fertilizers from spent sulfite liquor
- Patent number 4,002,457
- Issue date Jan 11, 1977
- International Telephone & Telegraph Corporation
- Karl David Sears
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Soil conditioners and fertilizers from spent sulfite liquor
- Patent number 3,984,225
- Issue date Oct 5, 1976
- International Telephone & Telegraph Corporation
- Karl David Sears
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Etherification of bark extracts
- Patent number 3,970,691
- Issue date Jul 20, 1976
- International Telephone & Telegraph Corporation
- Karl David Sears
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aminated sulfite derivatives of coniferous barks
- Patent number 3,966,708
- Issue date Jun 29, 1976
- International Telephone & Telegraph Corporation
- Ronald Leroy Casebier
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Etherification of bark extracts and condensed tannins
- Patent number 3,932,488
- Issue date Jan 13, 1976
- International Telephone & Telegraph Corporation
- Karl David Sears
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Karl David Sears

Person

Patents Grantslast 30 patents

Nitrite-oxidized lignosulfonates and method of making the same and...

Preparation of highly reactive cellulose

Etherification of bark extracts

Soil conditioners and fertilizers from spent sulfite liquor

Soil conditioners and fertilizers from spent sulfite liquor

Etherification of bark extracts

Aminated sulfite derivatives of coniferous barks

Etherification of bark extracts and condensed tannins