Membership
Tour
Register
Log in
Medhat A. Toukhy
Follow
Person
Barrington, RI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Photosensitive diazonaphthoquinone esters based on selected cyclic...
Patent number
6,140,026
Issue date
Oct 31, 2000
Arch Specialty Chemicals, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photosensitive diazonaphthoquinone esters based on selected cyclic...
Patent number
6,040,107
Issue date
Mar 21, 2000
Olin Microelectronic Chemicals, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected high thermal novolaks and positive-working radiation-sensi...
Patent number
5,985,507
Issue date
Nov 16, 1999
Olin Microelectronic Chemicals, Inc.
Andrew J. Blakeney
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Selected O-quinonediazide sulfonic acid esters of phenolic compound...
Patent number
5,602,260
Issue date
Feb 11, 1997
OCG Microelectronic Materials, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
O-quinonediazide sulfonic acid esters of phenolic compounds and the...
Patent number
5,547,814
Issue date
Aug 20, 1996
OCG Microelectronic Materials, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected o-quinonediazide sulfonic acid esters of phenolic compound...
Patent number
5,541,033
Issue date
Jul 30, 1996
OCG Microelectronic Materials, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
High ortho-ortho bonded novolak binder resins and their use in a pr...
Patent number
5,494,785
Issue date
Feb 27, 1996
OCG Microelectronic Materials, Inc.
Joseph J. Sizensky
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High ortho-ortho bonded novolak binder resins and their use in radi...
Patent number
5,473,045
Issue date
Dec 5, 1995
OCG Microelectronic Materials, Inc.
Joseph J. Sizensky
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High ortho-ortho bonded novolak binder resins and their use in radi...
Patent number
5,413,894
Issue date
May 9, 1995
OCG Microelectronic Materials, Inc.
Joseph J. Sizensky
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phenolic novolak resin compositions containing 5-indanol and their...
Patent number
5,338,653
Issue date
Aug 16, 1994
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Positive image formation utilizing radiation sensitive mixture cont...
Patent number
5,328,806
Issue date
Jul 12, 1994
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Radiation-sensitive compositions containing 5-indanol in the binder...
Patent number
5,316,884
Issue date
May 31, 1994
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of developing a positive image utilizing o-naphthoquinone d...
Patent number
5,312,720
Issue date
May 17, 1994
OCG Microelectronic Materials Inc.
Alfred T. Jeffries
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
O-naphthoquinone diazide sulfonyl esters of 4-(4-hydroxyphenyl)cycl...
Patent number
5,278,021
Issue date
Jan 11, 1994
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sesamol/aldehyde condensation products as sensitivity enhancers for...
Patent number
5,275,911
Issue date
Jan 4, 1994
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Selected methylol-substituted trihydroxybenzophenones and their use...
Patent number
5,254,440
Issue date
Oct 19, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phenolic novolak resin compositions containing 5-indanol and their...
Patent number
5,250,653
Issue date
Oct 5, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Selected methylol-substituted trihydroxybenzophenones and their use...
Patent number
5,239,122
Issue date
Aug 24, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Selected trihydroxybenzophenone compounds and their use in photoact...
Patent number
5,219,714
Issue date
Jun 15, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected trihydroxybenzophenone compounds
Patent number
5,220,073
Issue date
Jun 15, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected trihydroxybenzophenone compounds and their use as photoact...
Patent number
5,196,517
Issue date
Mar 23, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected methylol-substituted trihydroxybenzophenones and their use...
Patent number
5,177,172
Issue date
Jan 5, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoresist developer containing fluorinated amphoteric surfactant
Patent number
5,164,286
Issue date
Nov 17, 1992
OCG Microelectronic Materials, Inc.
Andrew J. Blakeney
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Selected trihydroxybenzophenone compounds and their use in photoact...
Patent number
5,019,478
Issue date
May 28, 1991
Olin Hunt Specialty Products, Inc.
Medhat A. Toukhy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Light sensitive composition with o-quinone diazide and phenolic nov...
Patent number
5,002,851
Issue date
Mar 26, 1991
Olin Hunt Specialty Products, Inc.
Medhat A. Toukhy
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Selected trinuclear novolak oligomers and their use in photoactive...
Patent number
4,992,596
Issue date
Feb 12, 1991
Olin Hunt Specialty Products Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process of developing a radiation imaged product with trinuclear no...
Patent number
4,992,356
Issue date
Feb 12, 1991
Olin Hunt Specialty Products Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Radiation sensitive compound and mixtures with trinuclear novolak o...
Patent number
4,957,846
Issue date
Sep 18, 1990
Olin Hunt Specialty Products Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Positive photoresist with cresol-formaldehyde novolak resin and pho...
Patent number
4,587,196
Issue date
May 6, 1986
Philip A. Hunt Chemical Corporation
Medhat A. Toukhy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Positive photoresist composition with cresol-formaldehyde novolak r...
Patent number
4,529,682
Issue date
Jul 16, 1985
Philip A. Hunt Chemical Corporation
Medhat A. Toukhy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...