Donald Ross Kelsey

Person

Guerneville, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for screening of polycondensation catalysts
- Patent number 7,732,211
- Issue date Jun 8, 2010
- Avantium International B.V.
- Donald Ross Kelsey
- G01 - MEASURING TESTING
Information Patent Grant
Polytrimethylene terephthalate having a low level of acrolein and a...
- Patent number 7,381,787
- Issue date Jun 3, 2008
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polytrimethylene terephthalate
- Patent number 7,196,159
- Issue date Mar 27, 2007
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polytrimethylene terephthalate (PTT)
- Patent number 6,800,718
- Issue date Oct 5, 2004
- Zimmer Aktiengesellschaft
- Fritz Wilhelm
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for making polytrimethylene terephthalate
- Patent number 6,657,044
- Issue date Dec 2, 2003
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for recycling polytrimethylene terephthalate cyclic dimer
- Patent number 6,576,774
- Issue date Jun 10, 2003
- Shell Oil Company
- Betty Marrou Scardino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of producing polytrimethylene terephthalate (PTT)
- Patent number 6,512,080
- Issue date Jan 28, 2003
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optimum dipropylene glycol content polytrimethylene terephthalate c...
- Patent number 6,509,438
- Issue date Jan 21, 2003
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of producing polytrimethylene terephthalate (PTT)
- Patent number 6,326,456
- Issue date Dec 4, 2001
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of producing polytrimethylene terephthalate (PTT)
- Patent number 6,277,947
- Issue date Aug 21, 2001
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Purification of 1,3-propanediol in carbonyl-containing stream
- Patent number 6,245,879
- Issue date Jun 12, 2001
- Shell Oil Company
- Donald Ross Kelsey
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Modified polytrimethylene terephthalate
- Patent number 6,242,558
- Issue date Jun 5, 2001
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing polytrimethylene terephthalate
- Patent number 6,093,786
- Issue date Jul 25, 2000
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Surface derivatization of polyketones polymers
- Patent number 5,955,562
- Issue date Sep 21, 1999
- Shell Oil Company
- Carlton Edwin Ash
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolyester composition
- Patent number 5,705,575
- Issue date Jan 6, 1998
- Shell Oil Company
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenolic allyl ethers
- Patent number 5,578,686
- Issue date Nov 26, 1996
- Shell Oil Company
- Pen-Chung Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of 1,3-propanediol
- Patent number 5,527,973
- Issue date Jun 18, 1996
- Donald R. Kelsey
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenolic allyl ethers
- Patent number 5,495,051
- Issue date Feb 27, 1996
- Shell Oil Company
- Pen-Chung Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst system for olefin polymerization
- Patent number 5,459,213
- Issue date Oct 17, 1995
- Shell Oil Company
- Donald R. Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
By product stream purification in the preparation of 1,3-propanedio...
- Patent number 5,459,229
- Issue date Oct 17, 1995
- Shell Oil Company
- Donald R. Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenolic compounds
- Patent number 5,406,003
- Issue date Apr 11, 1995
- Shell Oil Company
- Pen C. Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imido transition metal complex metathesis catalysts
- Patent number 5,405,924
- Issue date Apr 11, 1995
- Shell Oil Company
- Donald R. Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenolic compounds
- Patent number 5,382,713
- Issue date Jan 17, 1995
- Shell Oil Company
- Pen C. Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization of cyclic olefins
- Patent number 5,369,195
- Issue date Nov 29, 1994
- Shell Oil Company
- Donald R. Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cyclohexanenorbornane epoxy resin with curing agent
- Patent number 5,359,023
- Issue date Oct 25, 1994
- Shell Oil Company
- Pen-Chung Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyanate resins
- Patent number 5,340,912
- Issue date Aug 23, 1994
- Shell Oil Company
- Pen-Chung Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Copper hydrides as co-catalysts for olefin polymerization
- Patent number 5,316,994
- Issue date May 31, 1994
- Shell Oil Company
- Donald R. Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst system for olefin polymerization
- Patent number 5,312,794
- Issue date May 17, 1994
- Shell Oil Company
- Donald R. Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Epoxy resins with cyclohexenenorbornene moieties
- Patent number 5,284,929
- Issue date Feb 8, 1994
- Shell Oil Company
- Pen-Chung Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalysts for ring-opening, metathesis polymerization of cyclic ole...
- Patent number 5,278,305
- Issue date Jan 11, 1994
- Shell Oil Company
- Donald R. Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
POLYTRIMETHYLENE TEREPHTHALATE HAVING A LOW LEVEL OF ACROLEIN AND A...
- Publication number 20080194793
- Publication date Aug 14, 2008
- Donald Ross KELSEY
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Process for producing polytrimethylene terephthalate
- Publication number 20060084781
- Publication date Apr 20, 2006
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polytrimethylene terephthalate having a low level of acrolein and a...
- Publication number 20060084783
- Publication date Apr 20, 2006
- Donald Ross Kelsey
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Rapid crystallizing poly(trimethylene terephthalate) compositions a...
- Publication number 20050245655
- Publication date Nov 3, 2005
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for increasing the toughness of solid state polymerized pol...
- Publication number 20050075479
- Publication date Apr 7, 2005
- Robert Lawrence Blackbourn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method and apparatus for screening of polycondensation catalysts
- Publication number 20040014225
- Publication date Jan 22, 2004
- Donald Ross Kelsey
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for recycling polytrimethylene terephthalate cyclic dimer
- Publication number 20020032302
- Publication date Mar 14, 2002
- Betty Marrou Scardino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process of producing polytrimethylene terephthalate (PTT)
- Publication number 20020028909
- Publication date Mar 7, 2002
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Optimum dipropylene glycol content polytrimethylene terephthalate c...
- Publication number 20020009353
- Publication date Jan 24, 2002
- Donald Ross Kelsey
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Process of producing polytrimethylene terephthalate (PTT)
- Publication number 20010029289
- Publication date Oct 11, 2001
- Donald Ross Kelsey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Donald Ross Kelsey

Person

Patents Grantslast 30 patents

Method and apparatus for screening of polycondensation catalysts

Polytrimethylene terephthalate having a low level of acrolein and a...

Process for producing polytrimethylene terephthalate

Process for producing polytrimethylene terephthalate (PTT)

Process for making polytrimethylene terephthalate

Process for recycling polytrimethylene terephthalate cyclic dimer

Process of producing polytrimethylene terephthalate (PTT)

Optimum dipropylene glycol content polytrimethylene terephthalate c...

Process of producing polytrimethylene terephthalate (PTT)

Process of producing polytrimethylene terephthalate (PTT)

Purification of 1,3-propanediol in carbonyl-containing stream

Modified polytrimethylene terephthalate

Process for preparing polytrimethylene terephthalate

Surface derivatization of polyketones polymers

Copolyester composition

Phenolic allyl ethers

Purification of 1,3-propanediol

Phenolic allyl ethers

Catalyst system for olefin polymerization

By product stream purification in the preparation of 1,3-propanedio...

Phenolic compounds

Imido transition metal complex metathesis catalysts

Phenolic compounds

Polymerization of cyclic olefins

Cyclohexanenorbornane epoxy resin with curing agent

Cyanate resins

Copper hydrides as co-catalysts for olefin polymerization

Catalyst system for olefin polymerization

Epoxy resins with cyclohexenenorbornene moieties

Catalysts for ring-opening, metathesis polymerization of cyclic ole...

Patents Applicationslast 30 patents

POLYTRIMETHYLENE TEREPHTHALATE HAVING A LOW LEVEL OF ACROLEIN AND A...

Process for producing polytrimethylene terephthalate

Polytrimethylene terephthalate having a low level of acrolein and a...

Rapid crystallizing poly(trimethylene terephthalate) compositions a...

Process for increasing the toughness of solid state polymerized pol...

Method and apparatus for screening of polycondensation catalysts

Process for recycling polytrimethylene terephthalate cyclic dimer

Process of producing polytrimethylene terephthalate (PTT)

Optimum dipropylene glycol content polytrimethylene terephthalate c...

Process of producing polytrimethylene terephthalate (PTT)