John Semen

Person

Baton Rouge, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Granular polymer additives and their preparation
- Patent number 7,425,290
- Issue date Sep 16, 2008
- Albemarle Corporation
- John Semen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Granular polymer additives and their preparation
- Patent number 6,821,456
- Issue date Nov 23, 2004
- Albemarle Corporation
- John Semen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sterically hindered phenol antioxidant granules having balanced har...
- Patent number 6,800,228
- Issue date Oct 5, 2004
- Albemarle Corporation
- John Semen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Additive system for polymers in pellet form which provides proporti...
- Patent number 6,596,198
- Issue date Jul 22, 2003
- Albemarle Corporation
- John Semen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Granular polymer additives and their preparation
- Patent number 6,515,052
- Issue date Feb 4, 2003
- Albemarle Corporation
- John Semen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low dust balanced hardness antioxidant agglomerates and process for...
- Patent number 6,126,862
- Issue date Oct 3, 2000
- Ablemarle Corporation
- John Semen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low dust balanced hardness antioxidant agglomerates and process for...
- Patent number 6,126,863
- Issue date Oct 3, 2000
- Albemarle Corporation
- John Semen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low dust balanced hardness antioxidant pellets and process for the...
- Patent number 6,056,898
- Issue date May 2, 2000
- Albemarle Corporation
- John Semen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preceramic compositions and ceramic products
- Patent number 5,006,492
- Issue date Apr 9, 1991
- Ethyl Corporation
- John Semen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preceramic compositions and ceramic products
- Patent number 4,942,145
- Issue date Jul 17, 1990
- Ethyl Corporation
- William E. Moehle
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preceramic compositions
- Patent number 4,895,889
- Issue date Jan 23, 1990
- Ethyl Corporation
- John Semen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preceramic compositions and ceramic products
- Patent number 4,891,340
- Issue date Jan 2, 1990
- Ethyl Corporation
- John Semen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for improving strength of SiC ceramics
- Patent number 4,845,058
- Issue date Jul 4, 1989
- Ethyl Corporation
- John J. Rogers
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preceramic compositions and ceramic products
- Patent number 4,835,207
- Issue date May 30, 1989
- Ethyl Corporation
- John Semen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Enhancement of ethylene-vinyl acetate adhesion to polyester sheet b...
- Patent number 4,530,878
- Issue date Jul 23, 1985
- General Electric Company
- Willem F. H. Borman
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyethylene terephthalate blends
- Patent number 4,483,949
- Issue date Nov 20, 1984
- Ethyl Corporation
- John Semen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for increasing the rate of crystallization of polyesters
- Patent number 4,401,792
- Issue date Aug 30, 1983
- General Electric Company
- Robert J. Axelrod
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Granular Polymer Additives and Their Preparation
- Publication number 20090054698
- Publication date Feb 26, 2009
- ALBEMARLE CORPORATION
- John Semen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Granular polymer additives and their preparation
- Publication number 20050009725
- Publication date Jan 13, 2005
- John Semen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Sterically hindered phenol antioxidant granules having balanced har...
- Publication number 20050006627
- Publication date Jan 13, 2005
- John Semen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Granular polymer additives and their preparation
- Publication number 20030193041
- Publication date Oct 16, 2003
- John Semen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Granular polymer additives and their preparation
- Publication number 20020117651
- Publication date Aug 29, 2002
- John Semen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Person

Patents Grantslast 30 patents

Granular polymer additives and their preparation

Granular polymer additives and their preparation

Sterically hindered phenol antioxidant granules having balanced har...

Additive system for polymers in pellet form which provides proporti...

Granular polymer additives and their preparation

Low dust balanced hardness antioxidant agglomerates and process for...

Low dust balanced hardness antioxidant agglomerates and process for...

Low dust balanced hardness antioxidant pellets and process for the...

Preceramic compositions and ceramic products

Preceramic compositions and ceramic products

Preceramic compositions

Preceramic compositions and ceramic products

Process for improving strength of SiC ceramics

Preceramic compositions and ceramic products

Enhancement of ethylene-vinyl acetate adhesion to polyester sheet b...

Polyethylene terephthalate blends

Process for increasing the rate of crystallization of polyesters

Patents Applicationslast 30 patents

Granular Polymer Additives and Their Preparation

Granular polymer additives and their preparation

Sterically hindered phenol antioxidant granules having balanced har...

Granular polymer additives and their preparation

Granular polymer additives and their preparation