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Ivan Christoff Popoff
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Ambler, PA, US
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last 30 patents
Information
Patent Grant
N-(Oxazolidinothio) imides that provide scorch retardant nonbloomin...
Patent number
4,275,014
Issue date
Jun 23, 1981
Pennwalt Corporation
Ivan C. Popoff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-Trichloromethyloxazolidine and thiazolidine derivatives useful as...
Patent number
4,226,948
Issue date
Oct 7, 1980
Pennwalt Corporation
Ivan C. Popoff
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
N-(Oxazolidinothio) imides that provide scorch retardant nonbloomin...
Patent number
4,220,589
Issue date
Sep 2, 1980
Pennwalt Corporation
Ivan C. Popoff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of N,N'-disubstituted p-phenylenediamine antiozonants...
Patent number
4,131,622
Issue date
Dec 26, 1978
Pennwalt Corporation
Ivan C. Popoff
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Non-blooming accelerator and process for vulcanization of EPDM elas...
Patent number
4,118,378
Issue date
Oct 3, 1978
Pennwalt Corporation
Ivan Christoff Popoff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymer of 1,2,4-thiadiazole and lubricants containing it as an add...
Patent number
4,107,059
Issue date
Aug 15, 1978
Pennwalt Corporation
James Ping King
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Microencapsulated vulcanizing agents
Patent number
4,102,800
Issue date
Jul 25, 1978
Pennwalt Corporation
Ivan Christoff Popoff
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Non-blooming accelerator and process for vulcanization of EPDM elas...
Patent number
4,099,003
Issue date
Jul 4, 1978
Pennwalt Corporation
Ivan Christoff Popoff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oxazolidine and thiazolidine carbodithioates
Patent number
4,008,244
Issue date
Feb 15, 1977
Pennwalt Corporation
Ivan Christoff Popoff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the vulcanization of EPDM elastomers
Patent number
3,987,017
Issue date
Oct 19, 1976
Pennwalt Corporation
Ivan Christoff Popoff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyridine adducts of oxazolidine and thiazolidine-derived carbodithi...
Patent number
3,976,648
Issue date
Aug 24, 1976
Pennwalt Corporation
Ivan Christoff Popoff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oxazolidine and thiazolidine derived carbodithioate compositions us...
Patent number
3,943,143
Issue date
Mar 9, 1976
Pennwalt Corporation
Ivan Christoff Popoff
C07 - ORGANIC CHEMISTRY