Amitava Gupta

Person

Los Angeles, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical lenses, haptics therefor and optical lens bodies having hap...
- Patent number 5,319,023
- Issue date Jun 7, 1994
- Ioptex Research Inc.
- Amitava Gupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Controlled surface optical lens and method of surface alteration
- Patent number 5,274,038
- Issue date Dec 28, 1993
- Ioptex Research Inc.
- Amitava Gupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photocurable acrylic composition, and U.V. curing with development...
- Patent number 5,141,990
- Issue date Aug 25, 1992
- California Institute of Technology
- Vincent B. McKoy
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Multifocal intraocular lenses
- Patent number 5,112,351
- Issue date May 12, 1992
- Ioptex Research Inc.
- Bruce Christie
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Contact lenses
- Patent number 5,106,930
- Issue date Apr 21, 1992
- Ioptex Research Inc.
- Amitava Gupta
- G02 - OPTICS
Information Patent Grant
Multifocal optical lens
- Patent number 5,080,472
- Issue date Jan 14, 1992
- Ioptex Research Inc.
- Amitava Gupta
- G02 - OPTICS
Information Patent Grant
Internal stabilization of polycarbonate resins
- Patent number 4,945,001
- Issue date Jul 31, 1990
- California Institute of Technology
- Amitava Gupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Deformable-elastic intraocular lens
- Patent number 4,834,750
- Issue date May 30, 1989
- Ioptex Research, Inc.
- Amitava Gupta
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of forming single-piece intraocular lens and core member and...
- Patent number 4,813,956
- Issue date Mar 21, 1989
- Ioptex Research, Inc.
- Amitava Gupta
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Internal stabilization of polycarbonate resins by two stage radiati...
- Patent number 4,749,726
- Issue date Jun 7, 1988
- California Institute of Technology
- Amitava Gupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Surface passivated intraocular lens
- Patent number 4,655,770
- Issue date Apr 7, 1987
- Ioptex, Inc.
- Amitava Gupta
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Solar cell encapsulation
- Patent number 4,383,129
- Issue date May 10, 1983
- California Institute of Technology
- Amitava Gupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
N-Butyl acrylate polymer composition for solar cell encapsulation a...
- Patent number 4,374,955
- Issue date Feb 22, 1983
- California Institute of Technology
- Amitava Gupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultraviolet absorbing copolymers
- Patent number 4,362,895
- Issue date Dec 7, 1982
- California Institute of Technology
- Amitava Gupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultraviolet absorbing copolymers
- Patent number 4,310,650
- Issue date Jan 12, 1982
- California Institute of Technology
- Amitava Gupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Broadband optical radiation detector
- Patent number 4,262,198
- Issue date Apr 14, 1981
- California Institute of Technology
- Amitava Gupta
- G01 - MEASURING TESTING
Information Patent Grant
Cross-linked polyvinyl pyridine coated glass particle catalyst supp...
- Patent number 4,259,223
- Issue date Mar 31, 1981
- California Institute of Technology
- Alan Rembaum
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Double-beam optical method and apparatus for measuring thermal diff...
- Patent number 4,243,327
- Issue date Jan 6, 1981
- Robert A. Administrator of the National Aeronautics and Space Administration,...
- G01 - MEASURING TESTING
Information Patent Grant
Polyvinyl pyridine microspheres
- Patent number 4,224,359
- Issue date Sep 23, 1980
- California Institute of Technology
- Alan Rembaum
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyvinyl pyridine microspheres
- Patent number 4,170,685
- Issue date Oct 9, 1979
- California Institute of Technology
- Alan Rembaum
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photochemical preparation of olefin addition catalysts
- Patent number 4,127,506
- Issue date Nov 28, 1978
- California Institute of Technology
- Harry B. Gray
- C07 - ORGANIC CHEMISTRY

Amitava Gupta

Person

Patents Grantslast 30 patents

Optical lenses, haptics therefor and optical lens bodies having hap...

Controlled surface optical lens and method of surface alteration

Photocurable acrylic composition, and U.V. curing with development...

Multifocal intraocular lenses

Contact lenses

Multifocal optical lens

Internal stabilization of polycarbonate resins

Deformable-elastic intraocular lens

Method of forming single-piece intraocular lens and core member and...

Internal stabilization of polycarbonate resins by two stage radiati...

Surface passivated intraocular lens

Solar cell encapsulation

N-Butyl acrylate polymer composition for solar cell encapsulation a...

Ultraviolet absorbing copolymers

Ultraviolet absorbing copolymers

Broadband optical radiation detector

Cross-linked polyvinyl pyridine coated glass particle catalyst supp...

Double-beam optical method and apparatus for measuring thermal diff...

Polyvinyl pyridine microspheres

Polyvinyl pyridine microspheres

Photochemical preparation of olefin addition catalysts