Christian W. Johnston

Person

Neshanic Station, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hydrophilic polyurethanes of improved strength
- Patent number 5,334,691
- Issue date Aug 2, 1994
- Tyndale Plains - Hunter Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrophilic polyurethanes of improved strength
- Patent number 5,120,816
- Issue date Jun 9, 1992
- Tyndale Plains - Hunter Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Thermally reversible polyurethane hydrogels and cosmetic, biologica...
- Patent number 5,000,955
- Issue date Mar 19, 1991
- Tyndale Plains - Hunter Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyurethane acrylate compositions
- Patent number 4,780,512
- Issue date Oct 25, 1988
- Tyndale Plains - Hunter Ltd.
- Francis E. Gould
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrophilic carboxy polyurethanes
- Patent number 4,743,673
- Issue date May 10, 1988
- Tyndale Plains-Hunter, Ltd.
- Christian W. Johnston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyurethane polyene compositions
- Patent number 4,496,535
- Issue date Jan 29, 1985
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyurethane polyene compositions
- Patent number 4,490,423
- Issue date Dec 25, 1984
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyurethane polyene compositions
- Patent number 4,454,309
- Issue date Jun 12, 1984
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyurethane quaternary ammonium salts
- Patent number 4,451,635
- Issue date May 29, 1984
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Gas and ion permeable membranes formed of polyurethane diacrylate c...
- Patent number 4,439,584
- Issue date Mar 27, 1984
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyurethane diacrylate compositions as carrier for pharmacological...
- Patent number 4,439,585
- Issue date Mar 27, 1984
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyurethane diacrylate compositions useful in forming canulae
- Patent number 4,439,583
- Issue date Mar 27, 1984
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Surgical implants formed of polyurethane diacrylate compositions
- Patent number 4,424,305
- Issue date Jan 3, 1984
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyurethane diacrylate compositions useful for contact lenses and...
- Patent number 4,408,023
- Issue date Oct 4, 1983
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyurethane diacrylate compositions
- Patent number 4,359,558
- Issue date Nov 16, 1982
- Tyndale Plains-Hunter, Ltd.
- Francis E. Gould
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Christian W. Johnston

Person

Patents Grantslast 30 patents

Hydrophilic polyurethanes of improved strength

Hydrophilic polyurethanes of improved strength

Thermally reversible polyurethane hydrogels and cosmetic, biologica...

Polyurethane acrylate compositions

Hydrophilic carboxy polyurethanes

Polyurethane polyene compositions

Polyurethane polyene compositions

Polyurethane polyene compositions

Polyurethane quaternary ammonium salts

Gas and ion permeable membranes formed of polyurethane diacrylate c...

Polyurethane diacrylate compositions as carrier for pharmacological...

Polyurethane diacrylate compositions useful in forming canulae

Surgical implants formed of polyurethane diacrylate compositions

Polyurethane diacrylate compositions useful for contact lenses and...

Polyurethane diacrylate compositions