Bayer Aktiengesellschaft

Agfa-gevaert Ag

Helmut Waniczek

Herbert Bartl

Josef Witte

Christian Lindner

Walter Uerdingen

Gerd Sylvester

Kurt P Meurer

Wolfgang Podszun

Carlhans Suling

Gerhard Hohmann

Karola Brudermanns

Ludwig Mott

Frank Wingler

Christian Wegner

John W Goossens

Jens Herwig

Helmut Hurnik

Wolfgang Arlt

Wilfried Kniege

Dieter W Bruck

Christian Ohm

Otto-Christian Geyer

Klaus Kruger

Kurt P Meuer

Richard Viard

The present invention relates to poly-(C.sub.2 -C.sub.10 -.alpha.-olefine)-carboxylic acids of Mw (weight average) 2000 to 350,000, to their preparation by oxidative degradation of polyolefines or by reaction of 'Living' polyolefines with CO.sub.2, to their conversion into poly-(C.sub.2 -C.sub.10 -.alpha.-olefine)-carbonyl halides and to their use for preparing polyolefine/polycarbonate block copolymers and the block copolymers obtainable by the process according to the invention.

Polyolefinecarboxylic acids, their preparation and their use for

A process for the production of monomeric .alpha.-cyanoacrylates by pryrolysis of poly-.alpha.-cyanoacrylates and subsequent distillation of the resulting monomeric .alpha.-cyanoacrylates.

Process for the production of monomeric .alpha.-cyanoacrylates

The invention relates to a pigment coated with polycyanoacrylate and to a process for coating pigments.

Pigment coated with polycyanoacrylate and a process for coating pigments

This invention relates to copolymers of .alpha.-cyanoacrylates and acrylates, their preparation and their use.

New copolymers of alpha-cyanoacrylates and acrylates, their preparation

The present invention relates to copolymers containing ethylene monomer units and .alpha.-cyanacrylate monomer units and processes for their production.

Copolymers containing ethylene and .alpha.-cyanoacrylates

Improved electrostatographic suspension developers contain a pigment coated with polycyanoacrylate. Wherein the polycyanoacrylate comprises an inner shell on a pigment dispersed in an electrically insulating carrier liquid having a volume resistance of at least 10.sup.9 ohm.cm and a dielectric constant below 3 and the pigment has an additional shell of a copolymer of

Liquid electrostatographic suspension developer comprises pigment coated

Moulding compounds consisting of a mixture of (A) from 99.99 to 60 parts, by weight, of a polyoxymethylene; (B) from 0 to 40 parts, by weight, of an elastomer having a softening temperature below the crystallite melting point of polyoxymethylene (A) and a freezing point below 0.degree. C.; and (C) from 0.01 to 40 parts, by weight, of an aliphatic, rubber-like, high molecular weight adipate-carbonate mixed ester.

Thermoplastic moulding compounds based on polyoxymethylene and polymeric

Mixtures of nitrocellulose and polyether are used as ignition improvers for alcoholic propellants.

Ignition improvers for fuel mixtures

This invention relates to stabilized adhesives, to which silyl esters are added for stabilization.

Stabilized cyanoacrylate adhesives containing bis-trialkylsilyl esters

The invention relates to the use of grafted ethylene-vinylacetate copolymers (EVA-copolymers) for the production of hotmelt adhesives.

Use of grafted ethylene-vinylacetate copolymers for the production of

Non-aromatic polyester carbonates which have a high molecular weight are obtained if polycondensation is stopped in a reversible manner by the addition of phenol, the phenol is subsequently removed and polycondensation is continued.

Process for the production of high molecular weight polyester carbonates

Contact lenses prepared from a polymer alloy essentially free from low molecular weight plasticizers and which comprises

Use of polymer alloys based on cellulose esters in contact ophthalmics,

The present invention relates to new thermoplastic contact adhesives. They have high heat resistance and bond strength.

Growing community of inventors

Cologne, Germany

Helmut Waniczek