Inventor

VON AHN VOLKER H

US19 patents

⚠️ This page may combine multiple inventors who share the name “VON AHN VOLKER H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VON AHN VOLKER H

CIBA GEIGY CORP

Inhibition of unsaturated monomers with 7-aryl quinone methides

2-(2-hydroxy-3-α cumyl-5-tert nonyl or dodecyl phenyl)-2H- Benzotriazole UV Absorbers

7-substituted quinone methides as inhibitors for unsaturated monomers

Crystalline form of 2-(2-hydroxy-3-α-cumyl-5-tert-octylphenyl)-2H-benzotriazole

Electro coat/base coat/clear coat finishes stabilized with soluble and thermally stable benzotriazole UV absorbers

2-(2-hydroxy-3-α-cumyl-5-nonylor 5-dodecylphenyl)-2H-benzotriazole

Method for inhibiting premature polymerization of vinyl aromatic monomers

Compositions stabilized with 5-thio-substituted benzotriazole UV-absorbers

Compositions stabilized with 5-sulfonyl-substituted benotriazole UV-absorbers

5-sulfonyl-substituted benzotriazole UV-absorbers

5-thio-substituted benzotriazole UV-absorbers

Inhibiting polymerization of vinyl aromatic monomers

7-substituted quinone methides as inhibitors for unsaturated monomers

Method for inhibiting premature polymerization of vinyl aromatic monomers

CIBA SC HOLDING AG

7-substituted quinone methides as inhibitors for unsaturated monomers

Process for making 5-thio-substituted benzotriazole UV absorbers

1,2-Bis-adducts of stable nitroxides with substituted ethylenes and stabilized compositions

NALCO EXXON ENERGY CHEM LP

Inhibiting polymerization of vinyl aromatic monomers

CIBA SPECIALTY CHEMCIALS CORP

1,2-bis-adducts of stable nitroxides with substituted ethylenes and stabilized compositions