Rupert Spence

Person

Kingston, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Process to prepare 3-methyl-2-nitrobenzoic acid by air oxidation
- Patent number 9,828,328
- Issue date Nov 28, 2017
- E I du Pont de Nemours and Company
- Stephen Ernest Jacobson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polytrimethylene ether glycol or copolymers thereof having improved...
- Patent number 8,598,391
- Issue date Dec 3, 2013
- E I du Pont de Nemours and Company
- Aaron Minter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of polytrimthylene ether glycol or copolymers thereof
- Patent number 8,148,491
- Issue date Apr 3, 2012
- E I du Pont de Nemours and Company
- David C. Confer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of polytrimethylene ether glycol or copolymers thereof
- Patent number 8,143,371
- Issue date Mar 27, 2012
- E I du Pont de Nemours and Company
- Mark Andrew Harmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Olefin polymerization catalyst
- Patent number 7,022,787
- Issue date Apr 4, 2006
- E. I. Du Pont de Nemours and Company
- Rupert Spence
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PROCESS TO PREPARE 3-METHYL-2-NITROBENZOIC ACID BY AIR OXIDATION
- Publication number 20170197907
- Publication date Jul 13, 2017
- E I DU PONT DE NEMOURS AND COMPANY
- Stephen Ernest Jacobson
- C07 - ORGANIC CHEMISTRY
Information Patent Application
POLYTRIMETHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF HAVING IMPROVED...
- Publication number 20110077433
- Publication date Mar 31, 2011
- E.I. du Pont de Nemours and Company
- Aaron Minter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESSES FOR PREPARING POLYTRIMETHYLENE GLYCOL USING ION EXCHANGE...
- Publication number 20100267994
- Publication date Oct 21, 2010
- E.I. du Pont de Nemours and Company
- Rupert SPENCE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION OF POLYTRIMTHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF
- Publication number 20090118465
- Publication date May 7, 2009
- E.I. du Pont de Nemours and Company
- David C. Confer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION OF POLYTRIMETHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF
- Publication number 20090118464
- Publication date May 7, 2009
- E.I. du Pont de Nemours and Company
- Mark Andrew Harmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Olefin polymerization catalyst
- Publication number 20050113248
- Publication date May 26, 2005
- Rupert Spence
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Rupert Spence

Person

Patents Grantslast 30 patents

Process to prepare 3-methyl-2-nitrobenzoic acid by air oxidation

Polytrimethylene ether glycol or copolymers thereof having improved...

Preparation of polytrimthylene ether glycol or copolymers thereof

Preparation of polytrimethylene ether glycol or copolymers thereof

Olefin polymerization catalyst

Patents Applicationslast 30 patents

PROCESS TO PREPARE 3-METHYL-2-NITROBENZOIC ACID BY AIR OXIDATION

POLYTRIMETHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF HAVING IMPROVED...

PROCESSES FOR PREPARING POLYTRIMETHYLENE GLYCOL USING ION EXCHANGE...

PREPARATION OF POLYTRIMTHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF

PREPARATION OF POLYTRIMETHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF

Olefin polymerization catalyst