Henry L. Hsieh

Person

Pittsboro, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Polymers useful in the recovery and processing of natural resources
- Patent number 6,030,928
- Issue date Feb 29, 2000
- Phillips Petroleum Company
- G. Allan Stahl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Compositions and applications thereof of water-soluble copolymers c...
- Patent number 5,829,527
- Issue date Nov 3, 1998
- Phillips Petroleum Company
- Iqbal Ahmed
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic alkali metal alkene addition process
- Patent number 5,705,725
- Issue date Jan 6, 1998
- Phillips Petroleum Company
- Ted M. Pettijohn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Copolymers of ampholytic ion pairs containing vinylic tertiary amine
- Patent number 5,484,865
- Issue date Jan 16, 1996
- Phillips Petroleum Company
- Iqbal Ahmed
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,439,983
- Issue date Aug 8, 1995
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,412,052
- Issue date May 2, 1995
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Transition metal catalyst, method of preparing catalyst, polymeriza...
- Patent number 5,401,816
- Issue date Mar 28, 1995
- Phillips Petroleum Company
- Henry L. Hsieh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization process employing lanthanide halide catalyst and pol...
- Patent number 5,391,659
- Issue date Feb 21, 1995
- Phillips Petroleum Company
- Ted M. Pettijohn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymers useful in the recovery and processing of natural resources
- Patent number 5,382,371
- Issue date Jan 17, 1995
- Phillips Petroleum Company
- G. Allan Stahl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,376,729
- Issue date Dec 27, 1994
- Phillips Petroleum Company
- Iqbal Ahmed
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,357,000
- Issue date Oct 18, 1994
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Superabsorbent crosslinked ampholytic ion pair copolymers
- Patent number 5,354,806
- Issue date Oct 11, 1994
- Phillips Petroleum Company
- Henry L. Hsieh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,334,685
- Issue date Aug 2, 1994
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solution...
- Patent number 5,331,021
- Issue date Jul 19, 1994
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Flocculation process using lactam or vinyl sulfonate polymer
- Patent number 5,326,854
- Issue date Jul 5, 1994
- Phillips Petroleum Company
- G. Allan Stahl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers of amphytic ion pairs containing vinylic tertiary amine...
- Patent number 5,294,691
- Issue date Mar 15, 1994
- Phillips Petroleum Company
- Iqbal Ahmed
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,290,870
- Issue date Mar 1, 1994
- Philliips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,290,871
- Issue date Mar 1, 1994
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lanthanide halide catalyst, method of producing the catalyst, and p...
- Patent number 5,286,694
- Issue date Feb 15, 1994
- Phillips Petroleum Company
- Ted M. Pettijohn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Superabsorbent polymers
- Patent number 5,281,673
- Issue date Jan 25, 1994
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compositions and applications thereof of water-soluble copolymers c...
- Patent number 5,270,382
- Issue date Dec 14, 1993
- Phillips Petroleum Company
- Iqbal Ahmed
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Superabsorbent polymers
- Patent number 5,252,690
- Issue date Oct 12, 1993
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Copolymers of ampholytic ion pairs containing vinylic tertiary amin...
- Patent number 5,250,642
- Issue date Oct 5, 1993
- Phillips Petroleum Company
- Iqbal Ahmed
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,243,008
- Issue date Sep 7, 1993
- Phillips Petroleum Company
- Iqbal Ahmed
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric adhesive and anti-corrosion agents
- Patent number 5,239,002
- Issue date Aug 24, 1993
- Phillips Petroleum Company
- Iqbal Ahmed
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Alkene addition process
- Patent number 5,233,114
- Issue date Aug 3, 1993
- Phillips Petroleum Company
- Ted M. Pettijohn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Superabsorbent polymers
- Patent number 5,225,506
- Issue date Jul 6, 1993
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,219,970
- Issue date Jun 15, 1993
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Superabsorbent crosslinked ampholytic ion pair copolymers
- Patent number 5,216,098
- Issue date Jun 1, 1993
- Phillips Petroleum Company
- Iqbal Ahmed
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Grafted copolymers highly absorbent to aqueous electrolyte solutions
- Patent number 5,214,117
- Issue date May 25, 1993
- Phillips Petroleum Company
- Iqbal Ahmed
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Henry L. Hsieh

Person

Patents Grantslast 30 patents

Polymers useful in the recovery and processing of natural resources

Compositions and applications thereof of water-soluble copolymers c...

Aromatic alkali metal alkene addition process

Copolymers of ampholytic ion pairs containing vinylic tertiary amine

Grafted copolymers highly absorbent to aqueous electrolyte solutions

Grafted copolymers highly absorbent to aqueous electrolyte solutions

Transition metal catalyst, method of preparing catalyst, polymeriza...

Polymerization process employing lanthanide halide catalyst and pol...

Polymers useful in the recovery and processing of natural resources

Grafted copolymers highly absorbent to aqueous electrolyte solutions

Grafted copolymers highly absorbent to aqueous electrolyte solutions

Superabsorbent crosslinked ampholytic ion pair copolymers

Grafted copolymers highly absorbent to aqueous electrolyte solutions

Grafted copolymers highly absorbent to aqueous electrolyte solution...

Flocculation process using lactam or vinyl sulfonate polymer

Copolymers of amphytic ion pairs containing vinylic tertiary amine...

Grafted copolymers highly absorbent to aqueous electrolyte solutions

Grafted copolymers highly absorbent to aqueous electrolyte solutions

Lanthanide halide catalyst, method of producing the catalyst, and p...

Superabsorbent polymers

Compositions and applications thereof of water-soluble copolymers c...

Superabsorbent polymers

Copolymers of ampholytic ion pairs containing vinylic tertiary amin...

Grafted copolymers highly absorbent to aqueous electrolyte solutions

Polymeric adhesive and anti-corrosion agents

Alkene addition process

Superabsorbent polymers

Grafted copolymers highly absorbent to aqueous electrolyte solutions

Superabsorbent crosslinked ampholytic ion pair copolymers

Grafted copolymers highly absorbent to aqueous electrolyte solutions