Inventor

DAMMEL RALPH

DE33 patents

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

DAMMEL RALPH

HOECHST AG

Positive radiation-sensitive mixture and recording material produced therefrom

Positive-working radiation-sensitive mixture and copying material produced therefrom comprising an α-carbonyl-α-sulfonyl diazomethane, a water-insoluble binder and an acid cleavable compound

Positive-working radiation-sensitive mixture and copying material produced therefrom comprising an α,α-bis(sulfonyl) diazo methane as an acid forming compound

Negative-working radiation-sensitive mixture containing diazomethane acid generator and a radiation-sensitive recording material produced therfrom

Radiation-sensitive polymers containing diazocarbonyl groups and a process for their preparation

Acid-cleavable compounds, positive-working radiation-sensitive mixture containing these compounds, and radiation-sensitive recording material produced with this mixture

Positive radiation-sensitive mixture, and radiation-sensitive recording material produced therefrom for high-energy radiation

Positive radiation-sensitive mixture and radiation-sensitive recording material produced therefrom

Radiation-curable composition and radiation-sensitive recording material prepared therefrom for use with high-energy radiation

Positively operating radiation-sensitive mixture containing a polyfunctional α-diazo-β-keto ester and radiation-sensitive recording material containing this mixture

Negative-working radiation-sensitive mixture and radiation-sensitive recording material produced therewith

Acid-cleavable radiation-sensitive compounds, radiation-sensitive mixture containing these compounds, and radiation-sensitive recording material produced with this mixture

Radiation-sensitive polymers containing naphthoquinone-2-diazide-4-sulfonyl groups and their use in a positive working recording material

Positive-working radiation-sensitive mixture and recording material for exposure to UV radiation containing polyfunctional compound having α-β-keto ester units and sulfonate units

Polyfunctional compounds containing α-diazo-β-keto ester units and sulfonate units

Acid-cleavable radiation-sensitive compounds, positive working radiation-sensitive mixture containing theses compounds, and radiation-sensitive recording material produced with this mixture

Radiation-curable mixture, and radiation-sensitive recording material produced therefrom for high-energy radiation

Process for preparing n-tert-butoxycarbonylmaleimide

HOECHST CELANESE CORP

Copolymers of 4-hydroxystyrene and alkyl substituted-4-hydroxystyrene in admixture with a photosensitizer to form a photosensitive composition

3,5-disubstituted-4-acetoxystyrene and process for its production

Process for the production of 3-mono or 3,5 dihalogenated 4-acetoxystyrene, its polymerization, and hydrolysis

Process for the production of 3-mono or 3,5 disubstituted-4-acetoxystyrene, its polymerization

Process for the production of 3,5-disubstituted-4-acetoxystyrene

HOECHST JAPAN

Positive-working radiation-sensitive mixture

Positive-working radiation-sensitive mixture

Negative photoresist compositions comprising a photosensitive compound, an alkoxymethylated melamine and novolak resin

YAO HUIRONG

Antireflective coating compositions

VICARI RICHARD

Preparation of 3,5-disubstituted-4-acetoxystyrene

HOECHST CELANESE

Process for the production of 3-mono or 3,5-disubstituted-4-acetoxystyrene its polymerization, and hydrolysis

CLARIANT FINANCE BVI LTD

Copolymers 4-hydroxystyrene and alkyl substituted-4-hydroxystyrene

AZ ELECTRONIC MATERIALS USA

Photoresist suitable for use in 157 nm photolithography and including a polymer based on fluorinated norbornene derivatives

CLARIANT GMBH

Negative-working radiation-sensitive mixture, and radiation-sensitive recording material produced with this mixture

AZ ELECTRONIC MAT (LUXEMBOURG) S A R L

Aromatic imide compound and method for producing same