Patent application number | Description | Published |
20110201772 | PROCESS FOR PREPARING HIGH-REACTIVITY ISOBUTENE HOMO- OR COPOLYMERS - Preparation of high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 50 mol % and a polydispersity of preferably 1.05 to less than 3.5, by polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an aluminum trihalide-donor complex effective as a polymerization catalyst or of an alkylaluminum halide-donor complex, especially of an aluminum trichloride-donor complex, said complex comprising, as the donor, an organic compound with at least one ether function or a carboxylic ester function. | 08-18-2011 |
20110315107 | QUATERNIZED COPOLYMER - A quaternized copolymer obtainable by: (A) copolymerization of straight-chain, branched or cyclic, ethylenically unsaturated C | 12-29-2011 |
20120091400 | METHOD FOR THE PRODUCTION OF COMPOSITE MATERIALS - The present invention relates to a process for producing a nanocomposite material from
| 04-19-2012 |
20120137573 | USE OF THE REACTION PRODUCT FORMED FROM A HYDROCARBYL-SUBSTITUTED DICARBOXYLIC ACID AND A NITROGEN COMPOUND TO REDUCE FUEL CONSUMPTION - The use of the reaction product formed from a hydrocarbyl-substituted dicarboxylic acid or anhydride thereof and a nitrogen compound I or a salt thereof | 06-07-2012 |
20120142868 | PREPARATION OF ISOBUTENE HOMO- OR COPOLYMER DERIVATIVES - A process for preparing isobutene homo- or copolymer derivatives by (i) polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an iron halide-donor complex, an aluminum trihalide-donor complex, or an alkylaluminum halide-donor complex, (ii) reacting a resulting high-reactivity isobutene polymer with a compound which introduces a low molecular weight polar group or a substructure thereof, and (iii) in the case of reaction with a substructure, further reacting to complete the formation of the low molecular weight polar group. The homo- or copolymer derivatives include a radical of a hydrophobic polyisobutene polymer having a number-average molecular weight of 110 to 250 000 and low molecular weight polar groups including amino functions, nitro groups, hydroxyl groups, mercaptan groups, carboxylic acid or carboxylic acid derivative functions, sulfonic acid or sulfonic acid derivative functions, aldehyde functions and/or silyl groups. | 06-07-2012 |
20120149617 | POLYTETRAHYDROBENZOXAZINES AND BISTETRAHYDROBENZOXAZINES AND USE THEREOF AS A FUEL ADDITIVE OR LUBRICANT ADDITIVE - Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines, obtainable by (A) reacting at least one diamine of the formula H | 06-14-2012 |
20120178824 | HYDROGELS BASED ON ESTERS OF POLYISOBUTENESUCCINIC ACID - The present invention relates to the use of esters of polyisobutenesuccinic acid for producing hydrogels, and to the use of such hydrogels for cleaners and care compositions for the home (so-called homecare products), for cosmetics, and also for medical products. | 07-12-2012 |
20120208971 | METHOD FOR THE PRODUCTION OF HOMO- OR COPOLYMERS - Preparation of homo- or copolymers, especially of high-reactivity isobutene homo- or copolymers with a number-average molecular weight M | 08-16-2012 |
20120271003 | Block Copolymers As Thermoplastic Elastomers Made Of Polyisobutene Blocks And Oligoamide Blocks - Aspects of the invention relate to block copolymers having the properties of thermoplastic elastomers made of blocks on the basis of isobutene monomer units as the soft segment and blocks on the basis of oligoamides composed of at least two base units, each of which comprises an amino or a carbonyl group in the α, β, γ or δ position to each other or directly bound to each other, as the hard segment. Such block copolymers are suited for producing fibers, microfibers, and films. | 10-25-2012 |
20130041121 | PROCESS FOR PREPARING HIGH-REACTIVITY ISOBUTENE HOMO- OR COPOLYMERS - Preparation of high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 50 mol % by polymerization of isobutene or isobutene-comprising monomer mixtures in the presence of Lewis acids suitable as polymerization catalysts or of complexes which are effective as polymerization catalysts and are formed from Lewis acids and donors, and in the presence of initiators, wherein the initiators used are organic sulfonic acids Z—SO | 02-14-2013 |
20130133243 | QUATERNIZED NITROGEN COMPOUNDS AND USE THEREOF AS ADDITIVES IN FUELS AND LUBRICANTS - The present invention relates to novel quaternized nitrogen compounds, to the preparation thereof and to the use thereof as a fuel and lubricant additive, more particularly as a detergent additive; to additive packages which comprise these compounds; and to fuels and lubricants thus additized. The present invention further relates to the use of these quaternized nitrogen compounds as a fuel additive for reducing or preventing deposits in the injection systems of direct-injection diesel engines, especially in common-rail injection systems, for reducing the fuel consumption of direct-injection diesel engines, especially of diesel engines with common-rail injection systems, and for minimizing power loss in direct-injection diesel engines, especially in diesel engines with common-rail injection systems. | 05-30-2013 |