Basf Aktiengesellschaft

Basf Aktiwngesellschaft

Siegmund Besecke

Andreas Deckers

Harald Lauke

Gerhard Nestler

Norbert Guentherberg

Karl-Heinz Wassmer

Martin Brudermueller

Rolf Henn

Karl-Ludwig Endlich

Wilfried Schoen

Daniel Wagner

Wolfgang Loth

Hilmar Ohlig

Hermann Fischer

Eckhard Neufeld

Juergen Hofmann

Harald Kroeger

Polymers essentially comprising units of the formula I ##STR1## in which R.sup.1 and R.sup.2 are hydrogen or methyl and

Imidation of polymers based on esters of methacrylic acid and acrylic

Expandable styrene polymers of high heat resistance

A polymer useful for preparing moldings and comprising essentially units of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or methyl, and

Poly(meth) acrylimides of improved color

At least 99% pure 2,2'[oxybis (methylene)]bis-2-propenoic acid

Preparation of oxadimethacrylic acid

A polymer useful for preparing shaped articles comprises essentially repeat units of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or methyl, and

N-aryl-substituted poly(meth)acrylimides

A process for isolating and purifying oxadimethacrylics of the general formula I

Isolation and purification of oxadimethacrylics

N-aryl-substituted poly (meth) acrylimides

A polymer comprising essentially units of formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or methyl, and

Poly(meth)acrylamides

Oxadimethacrylics useful for preparing pollers have the general formula I

Oxadimethacrylics and preparation thereof

Polymethacrylimides having a high heat resistance

A polymer comprising essentially at least two different repeat units of the formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or methyl,

Poly(meth)acrylimides with different n-substitutes

Copolymers are obtainable by (1) copolymerization of a monomer mixture of

Polymethacrylimides having high heat distortion resistance

Abstract of the Disclosure: Particles of poly(meth)acrylimides obtainable by reacting a polymer based on C.sub.1 -C.sub.22 -alkyl esters of acrylic and/or methacrylic acid with ammonia and/or at least one primary amine RNH.sub.2 are produced by

Growing community of inventors

Hameln, Germany

Siegmund Besecke