Elf Atochem North America, Inc.

Eastman-kodak Company

Atochem North America, Inc.

Pennwalt Corporation

Ppg Industries Ohio, Inc.

Atofina Chemicals, Inc.

Whitford Corporation

Michael J Lindstrom

Glenn T Carroll

Edward L Graeber

Scott C Lake

Matteo Sperindio

Thap DoMinh

James C Fleming

Leonard W Harvey

Roger T Clark

Riccardo Piras

Bernard Buchholz

Robert B Hager

Henry W Altland

Frederick J Goetz, Sr

Jeffrey H Yen

William J Tuszynski

Raymond W Ryan

Daniel C Chung

Christian Forguy

Phillip P Senise, Jr

Jeffrey Hsing-Gan Yen

The present disclosure provides a hybrid coating composition including a siloxane-based polymer and an organic polymer. The composition can be applied to a wide variety of substrates include metals, ceramic materials, plastics, composites, minerals and the like. A process for making articles is also provided.

Sol-gel compositions with improved hardness and impact resistance

The invention relates to a combination of compounds and a process using such combination useful for reducing or preventing coke formation in thermal cracking furnaces such as ethylene steam crackers. The combination is comprised of one or more compound of the formula R&mdash;S &mdash;R&prime; and one or more compound selected from the following group:

Compositions for mitigating coke formation in thermal cracking furnaces

A process for removing sulfur from an organic sulfide containing three or more chemically bound sulfur atoms is disclosed wherein said sulfide is contacted with a defined catalyst at elevated temperature to increase the disproportionation rate and the corresponding sulfide of lower sulfur rank is continuously removed from the reaction zone.

Process for removing sulfur from organic sulfides

A process is disclosed for preparing a composition having improved solvent power for sulfur wherein a composition comprising a sulfide having the general formula RSSaSR' wherein R and R' are defined carbon-containing radicals and a is 0 to 3, and a catalyst for improving the ability of said composition to take up sulfur is treated, either before, during or after the addition of said catalyst to said composition, with a primary or secondary amine in an effective amount and for an effective time period.

Preparing sulfur solvent compositions comprising treating a sulfide and

The production of 3-cyano-3,5,5-trialkylcyclohexanone from the reaction of 3,5,5-trialkylcyclohexenone and hydrocyanide at elevated temperature and in the presence of a catalytic amount of an onium cyanide, is disclosed herein.

Catalyst and process for the production of

A process is provided for producing alkylthio-substituted carboxylic acids and arylthio-substituted carboxylic acids and their corresponding alkylthio-substituted thioesters and arylthio-substituted thioesters. The process comprises reacting a mercaptan with a lactone in the presence of an acidic catalyst at temperatures of about 100.degree. C. to about 350.degree. C. The process for preparing the thio-substituted carboxylic acids and thio-substituted thioesters may be a continuous process or a batch process.

Process for producing alkylthio- and arylthio-substituted carboxylic

A composition is disclosed for dissolving sulfur and preventing or removing sulfur plugs from sour gas and oil wells or other conduits through which sulfur bearing liquids flow which comprises a major proportion of a liquid or gaseous mercaptan, a minor proportion of a catalyst which is a substantially water-insoluble amine, and minor amount of an activator which is a compound of the formula ##STR1## where R is hydrogen, alkyl, aryl or alkaryl and the alkyl moieties have from 1 to 24 carbon atoms, and x and y are independent values between 0 and 24 provided that x or y is at least 1; a method is also disclosed wherein said composition in an effective amount is injected into a conduit to prevent or remove sulfur plugging, and the composition containing dissolved sulfur is optionally recovered.

Mercaptan composition for dissolving sulfur and process for its use

A composition of matter is disclosed which includes a major proportion of an organic di- or polysulfide, a catalytic amount of an amine/mercaptan mixture, and a stabilizing component in an amount sufficient to inhibit loss of catalytic activity in storage.

Stabilized sulfur dissolving compositions

A method of determining sulfur loading of an organic polysulfide composition comprises reacting the organic polysulfide composition with an organic phosphine to produce reaction products comprising organic phosphine sulfide and an organic sulfide selected from the group consisting of organic disulfide, organic trisulfide and mixtures thereof; and analyzing the reaction products by gas chromatography to determine the amount of sulfur.

Method for determining sulfur loading in organic polysulfides

An improved process for the manufacture of 2,2'-dithiobis(benzothiazole). More particularly, the invention relates to an improved process for preparing 2,2'-dithiobis(benzothiazole) using various nonionic and cationic surfactants to reduce or eliminate the formation of large particles in the product.

Process for the preparation of 2,2'-dithiobis (benzothiazole)

A composition, useful for dissolving sulfur, which comprises a major amount of a disulfide or polysulfide and a catalyst comprising one or more polyalkyleneoxyamines or polyamines, and methods for using the composition in a system to prevent sulfur-plugging, are disclosed.

Polyalkyleneoxyamine catalysts for dialkyl disulfides and/or

Positive-working imaging compositions comprise a polymeric binder and a quinone sensitizer which provides alkali solubility to the composition when exposed to activating radiation.

Photoresist compositions containing quinone sensitizer

There are disclosed negative-working resist compositions featuring a binder and a radiation-sensitive compound that loses HX upon exposure, to become less soluble in an aqueous base. X is selected from the group consisting of --CN, halide, and --SO.sub.2 R.sup.1 and R.sup.1 is alkyl of 1-5 carbon atoms or aryl of from 6 to 10 carbon ring atoms.

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Downington, PA, United States of America

Michael J Lindstrom