| Patent application number | Description | Published |
|---|
| 20080196300 | Tetrahydrobenzoxazines As Stabilisers - The use of tetrahydrobenzoxazines I | 08-21-2008 |
| 20080221370 | Process for Preparing Polyisobutyl-Substituted Cyclohexanols - The present invention relates to a process for preparing polyisobutyl-substituted cyclo-hexanols by hydrogenating polyisobutyl-substituted hydroxybenzenes. The invention further relates to the polyisobutyl-substituted cyclohexanols obtainable by this process and functionalization products thereof, and to their use for the surface modification of inorganic or organic material. | 09-11-2008 |
| 20080227916 | Polyisobutene Polyol and Moulding Compound - An isobutene polymer which has an average of at least 1.4 terminal 1,3-propanediol groups is described, as is a crosslinking product thereof. Suitable crosslinkers are difunctional or higher-functionality isocyanates or epoxy compounds having at least two epoxide groups. The crosslinking products exhibit high storage moduli even at elevated temperatures. | 09-18-2008 |
| 20080227922 | Epoxidation of Isobutene Polymers - A process is described for epoxidizing an ethylenically unsaturated isobutene polymer, in which an organic phase comprising the isobutene polymer is contacted with an aqueous phase which comprises formic acid and hydrogen peroxide. The process affords essentially quantitative conversions after a short reaction time. | 09-18-2008 |
| 20080249268 | Method For Producing a Polyisobutene - The invention relates to a process for preparing polyisobutene having a mean molecular weight M | 10-09-2008 |
| 20090023882 | PROCESS FOR PREPARATION OF POLYISOBUTYLENE WHOSE CONTENT OF TERMINAL DOUBLE BONDS IS MORE THAN 50% FROM AN INDUSTRIAL C4 HYDROCARBON STREAM COMPRISING 1-BUTENE, 2-BUTENE AND ISOBUTENE - Preparation of polyisobutylene having a content of terminal double bonds of more than 50% by polymerizing isobutene using a polymerization catalyst customary therefor from a technical 1-butene-, 2-butene- and isobutene-containing C | 01-22-2009 |
| 20090025284 | Method for producing polyisobutenylphenols - The present invention relates to a process for preparing 2-alkylpolyisobutenylphenols and their Mannich adducts, to compositions obtainable by this process and to their use. | 01-29-2009 |
| 20090065744 | USE OF POLYNUCLEAR PHENOLIC COMPOUNDS AS STABILISERS - The use of polycyclic phenolic compounds which have up to 20 benzene rings per molecule and are obtainable by reacting a tetrahydrobenzoxazine I | 03-12-2009 |
| 20100004427 | METHOD FOR THE REMOVAL OF ISOBUTENE OLIGOMERS FROM AN ISOBUTENE POLYMER - A process is described for removing isobutene oligomers from an isobutene polymer by stripping the isobutene polymer with vapors of a saturated hydrocarbon having at least 8 carbon atoms and at least partly driving out the isobutene oligomers. Troublesome isobutene oligomers are substantially removed without impairing the reactivity of the isobutene polymer (expressed as the content of the methylidene double bonds). | 01-07-2010 |
| 20100170636 | SEMI-INTERPENETRATING NETWORK HAVING A PHASE OF A LINEAR NONCROSSLINKED ISOBUTENE POLYMER - A description is given of a semi-interpenetrating network having a first phase of a linear noncrosslinked isobutene polymer and a second phase of a crosslinked polymer, wherein the crosslinked polymer is obtained by crosslinking molecular enlargement reaction in the presence of the isobutene polymer. The crosslinked polymer is preferably obtained by free-radical polymerization of ethylenically unsaturated monomers comprising at least one polyethylenically unsaturated monomer. The networks are suitable as molding compounds having gas and moisture barrier effect or as adhesives. | 07-08-2010 |
| 20110034360 | ALPHA-OLEFIN/ISOBUTENE DIBLOCK COPOLYMERS - The present invention relates to diblock copolymers of the formula A-B which are formed from a polymer block A which is formed essentially from α-olefin units having from 6 to 22 carbon atoms, and a polymer block B which is formed essentially from isobutene units, to a process for their preparation, to their use in lubricant compositions and to lubricant compositions which comprise such diblock copolymers. | 02-10-2011 |
| 20110113678 | USE OF POLYNUCLEAR PHENOLIC COMPOUNDS AS STABILISERS - The use of polycyclic phenolic compounds which have up to 20 benzene rings per molecule and are obtainable by reacting a tetrahydrobenzoxazine I | 05-19-2011 |
| 20110160424 | Use Of A Polyester As An Elastomer Component For Gum Bases - A polyester is used as an elastomer component for gum bases. A method of making gum bases which include such polyesters is also disclosed. The polyester includes as polyester-forming components in condensed form; a) at least one aliphatic dicarboxylic acid; b) at least one aliphatic diol; and c) at least one compound having at least three groups capable of ester formation in an amount of from 0.1 to 10.0% by weight, based on the total weight of the polyester, wherein the polyester includes the components a) and b) in an amount of at least 90, in particular at least 95% by weight, based on the total weight of the polyester. | 06-30-2011 |
