Inventor

ZWEIFEL HANS

CH44 patents

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

ZWEIFEL HANS

CIBA GEIGY CORP

Thermally transferable layers of radiation sensitive epoxy resins used to prepare protective coatings and relief images

Curable composition and the use thereof

3- and 4-Azidophthalic acid derivatives

Crosslinkable polymeric compounds

Titanocenes and a radiation-polymerizable composition containing these titanocenes

Thioxanthonecarboxylic acids, esters thioesters and amides with reactive functional groups and polymers prepared therefrom and having thioxanthone radicals as side chains

Thioxanthonecarboxylic acid esters, thioesters and amides

Photo-curable compositions of matter containing bis-azidophthalimidyl derivatives

Crosslinkable polymeric compounds

Photopolymerization process employing compounds containing acryloyl groups and maleimide groups

Novel xanthones and thioxanthones

Photocrosslinkable polyester with side tricyclic imidyl groups

Thioxanthonecarboxylic acids, esters, thioesters and amides with reactive functional groups

Crosslinkable polymeric compounds

Hardenable composition and its use

Cationically polymerizable compositions containing iron metallolene salt

Thioxanthone derivatives

Thioxanthonecarboxylic acid esters, thioesters and amides

Tetrasubstituted phthalic acid derivatives, and a process for their preparation

Tricyclic imidyl derivatives

Thioxanthonecarboxylic acids and thioxanthonecarboxylic acid derivatives

Photocrosslinkable polymers with thioxanthone and imidyl groupings in side chains

3,5-Disubstituted phthalic acid imides, phthalic acids and phthalic acid anhydrides

Tricyclic imidyl derivatives

Photocrosslinkable polymers with side tricyclic imidyl groups

Tricyclic imidyl derivatives

Crosslinkage polymeric compounds

3,5-Disubstituted phthalic acids and phthalic anhydrides

Tricyclic imidyl derivatives

Tricyclic imidyl derivatives

Photo-crosslinkable polymers having azidophthalimidyl side groups

Process for the preparation of indenonecarboxylic acids

Tetrasubstituted phthalic acid derivatives, and a process for their preparation

6,7-Dihydro-5H-benzocycloheptene-8,9-dicarboxylic acid anhydrides

2,3-Dihydro-1-benzoxepine-4,5-dicarboxylic acid anhydrides

Photocrosslinkable polymers with side groups derived from indenone and the preparation and use of these polymers

Tricyclic imidyl derivatives

Tricyclic imidyl derivatives

Tricyclic imidyl derivatives

Photocrosslinkable polymers with side groups derived from indenone and the preparation and use of these polymers

Photo-crosslinkable polyamide with side tricyclic imidyl groups

CIBA SC HOLDING AG

Process for stabilization of polyolefins in permanent contact with extracting media

RIEDIKER MARTIN

Titanocenes and a radiation-polymerizable composition containing these titanocenes

WIFAG MASCHF

Draw roller with adjustable pull ring