Inventor

PFEIFER JOSEF

CH75 patents

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

PFEIFER JOSEF

CIBA GEIGY CORP

Radiation-sensitive polycondensates, processes for their preparation coated material and its use

Polyimides, a process for their preparation and their use

Photosensitive polymers as coating materials

Crosslinkable polymers of unsaturated imides

Antistatic and electrically conducting polymers and moulding materials

Auto-photocrosslinkable copolyimides and polyimide compositions

Polyimides, a process for their preparation and their use, and tetracarboxylic acids and tetracarboxylic acid derivatives

Radiation-sensitive coating composition

Polyimides, a process for their preparation and their use, and tetracarboxylic acids and tetracarboxylic acid derivatives

Homopolymers, copolymers and coated material and its use

Process for irradiating polyimides

2- or 2,3-substituted 5,6,11,12-tetrathiotetracene and 5,6,11,12-tetraselenotetracene

Crosslinkable polymers of unsaturated imides

Antistatic and electrically conducting polymers and moulding materials

Coated material and use thereof

Diamino-9,10-dihydroanthracenes and polyamide acid (esters) and polyimides derived therefrom

Radiation-sensitive polycondensates, processes for their preparation, coated material and its use

Homopolymers, copolymers and coated material and its use

Radiation-sensitive polycondensates, their preparation, material coated therewith and the use thereof

Processes for preparing protective coatings and relief structures

Polyimides and a process for their preparation

Crystalline polyamides from branched chain diamine and terephthalic acid

Crosslinkable polymers of compounds containing 5-maleimidyl-isophthalic acid derivatives

Polyimides, a process for their preparation and their use, and tetracarboxylic acids and tetracarboxylic acid derivatives

Material coated with polyamic acid ester

1,10-substituted 1,11-diamino-undeca-3,7-dienes and processes for their preparation

Ethylenically unsaturated crosslinkable transparent polyamide

Substituted 1,11-diaminoundecanes, processes for producing them, and their use

Transparent polyamide from branched chain arylene diamine

Transparent copolyamide from isophorone diamine and substituted undecane diamine

Substituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal derivatives and processes for their preparation

Transparent polyamide from branched chain C11 diamine

Substituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal derivatives and processes for their preparation

1,10-Dialkyl-1,10-decamethylenediamines

Transparent copolyamide from 1,10-disubstituted C11 diamine

Transparent copolyamide from 1,10-disubstituted-1,10 diamine

Transparent polyamides from branched chain diamine

Transparent polyamides from branched chain diamines

AGFA GEVAERT AG

Electrostatic copying machine with removable copying drum

Method and apparatus for producing successive lines of image points on a recording medium

Recorder

Containers for X-ray films or the like

Recording device

Electrostatic copying machine

Method and apparatus for making X-ray images

Ionography imaging chamber

Exposure system for copying machines

Sheet-holding cassette for copying machine

Apparatus for manipulating finished reproductions in copying machines

AGFA-GEVAERT AG

Apparatus for processing webs of photographic material