Adnan A. R. Sayigh

Person

North Haven, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Polymethylene polyphenyl polyisocyanate
- Patent number 4,092,343
- Issue date May 30, 1978
- The Upjohn Company
- Floro F. Frulla
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cellular isocyanurate polymer
- Patent number 4,039,487
- Issue date Aug 2, 1977
- The Upjohn Company
- Richard A. Kolakowski
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing di(aminophenyl)methanes
- Patent number 4,039,580
- Issue date Aug 2, 1977
- The Upjohn Company
- Floro F. Frulla
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of di(amino phenyl)methanes
- Patent number 4,039,581
- Issue date Aug 2, 1977
- The Upjohn Company
- Floro F. Frulla
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bituminous composition
- Patent number 4,032,355
- Issue date Jun 28, 1977
- The Upjohn Company
- Alexander McLaughlin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Purification process for MDA
- Patent number 4,029,705
- Issue date Jun 14, 1977
- The Upjohn Company
- Adnan A. R. Sayigh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of MDA
- Patent number 4,028,361
- Issue date Jun 7, 1977
- The Upjohn Company
- Adnan A. R. Sayigh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for isolating 4,4'-diaminodiphenylmethane
- Patent number 4,008,275
- Issue date Feb 15, 1977
- The Upjohn Company
- Adnan A. R. Sayigh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel polyisocyanate trimerization catalyst
- Patent number 3,986,991
- Issue date Oct 19, 1976
- The Upjohn Company
- Richard A. Kolakowski
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenylcyclohexane formed by cracking dicyclohexylbenzene
- Patent number 3,984,490
- Issue date Oct 5, 1976
- The Upjohn Company
- Tae H. Chung
- C07 - ORGANIC CHEMISTRY

Adnan A. R. Sayigh

Person

Patents Grantslast 30 patents

Polymethylene polyphenyl polyisocyanate

Cellular isocyanurate polymer

Process for preparing di(aminophenyl)methanes

Process for the preparation of di(amino phenyl)methanes

Bituminous composition

Purification process for MDA

Process for the purification of MDA

Process for isolating 4,4'-diaminodiphenylmethane

Novel polyisocyanate trimerization catalyst

Phenylcyclohexane formed by cracking dicyclohexylbenzene