| Patent Number |
Title Of Patent |
Date Issued |
| 6987200 |
Process for producing catalysts comprising nanosize metal particles on a porous support, in part |
January 17, 2006 |
| The invention relates to a method for producing a catalyst containing one or several metals from the group of metals comprising the sub-groups Ib and VIIIb of the periodic table on porous support particles, characterized by a first step in which one or several precursors from the gro |
| 6849243 |
Catalysts for the gas-phase oxidation of ethylene and acetic acid to vinyl acetate, a process fo |
February 1, 2005 |
| The invention relates to a supported catalyst and the production and use thereof in the synthesis of vinyl acetate in the gaseous phase from ethylene, acetic acid and oxygen, or from gases containing oxygen, whereby the activity and selectivity are simultaneously improved. The catalyst |
| 6603038 |
Method for producing catalysts containing metal nanoparticles on a porous support, especially fo |
August 5, 2003 |
| The invention relates to a method for producing a catalyst containing one or several metals from the group of metals comprising the sub-groups Ib and VIIIb of the periodic table on porous support particles, characterized by a first step in which one or several precursors from the group o |
| 6388142 |
Method for producing aldehydes by hydroformylation in the presence of crown ether |
May 14, 2002 |
| The invention relates to a method for producing aldehydes by reacting one olefine containing 3 to 12 carbon atoms with hydrogen and carbon monoxide in the presence of one rhodium catalyst. The invention is characterized in that (a) the rhodium catalyst is present in an aqueous phase, whe |
| 6372687 |
Supported catalysts having a high sintering stability and a process for producing them |
April 16, 2002 |
| Supported catalysts having a high sintering stability and comprising one or more noble metal cluster carbonyl compounds of the formula (1)and their use for the dehydrogenation, hydrogenation and oxidation of organic compounds wherewherein the compounds of the formula (1) are located in the p |
| 6268522 |
Catalyst, process for its production and its use for preparing vinyl acetate |
July 31, 2001 |
| The invention relates to a process for producing supported shell catalysts comprising noble metals by UV photoreduction of noble metal salt precursors fixed to a support. For this purpose, the shaped supported body is impregnated with suitable noble metal salts which are then reduced to |
| 6074979 |
Polybetaine-stabilized, palladium-containing nanoparticles, a process for preparing them and als |
June 13, 2000 |
| Polybetaine-stabilized, palladium-containing nanoparticles, a process for preparing them and also catalysts prepared from them for producing vinyl acetate. The invention relates to soluble nanoparticles which comprise palladium alone or palladium together with metals of the groups 8-11 o |
| 5744021 |
2-alkylmercapto-4-(trifluoromethyl)benzoic esters and a process for their preparation |
April 28, 1998 |
| The invention relates to 2-alkylmercapto-4-(trifluoromethyl)benzoic esters of the formula (II), in which R.sup.1 and R.sup.2 are, independently of each other, (C.sub.1 -C.sub.6) alkyl, and a process for their preparation, which comprises reacting 3,4-dichlorobenzotrifluoride electrochemi |
| 5741868 |
Olefin polymerization process by using a substituted indenyl containing metallocene catalyst |
April 21, 1998 |
| The present invention relates to a metallocene compound of the formula I ##STR1## which can advantageously be used as catalyst component for olefin polymerization. |
| 5612428 |
Process for preparing olefin polymer with catalyst containing metallocene |
March 18, 1997 |
| The invention relates to a metallocene compound of the formula I ##STR1## where the two indenyl ligands have substitution patterns different from one another. The metallocene compound can be used as catalyst component for olefin polymerization. |
| 5576260 |
Metallocene-based catalysts |
November 19, 1996 |
| The invention relates to a metallocene compound of the formula I ##STR1## where the two indenyl ligands have substitution patterns different from one another. The metallocene compound can be used as catalyst component for olefin polymerization. |
| 5543373 |
Metallocene compound |
August 6, 1996 |
| The present invention relates to a metallocene compound of the formula I ##STR1## which can advantageously be used as catalyst component for olefin polymerization. |
| 5532396 |
Metallocene compound |
July 2, 1996 |
| The invention relates to a metallocene compound of the formula I ##STR1## where the two indenyl ligands have substitution patterns different from one another. The metallocene compound can be used as catalyst component for olefin polymerization. |
| 5252472 |
Process for the production of furans and lactones from streptomyces |
October 12, 1993 |
| It is possible with the aid of various Streptomycetes species to prepare new compounds having a furan or lactone structure. These compounds have a pharmacological, especially antibiotic, action. |
| 5128370 |
Furans and lactones from sterptomycetes and the use thereof |
July 7, 1992 |
| New furans and lactones from streptomycetes, a process for the preparation thereof, and the use thereof.It is possible with the aid of various streptomycetes species to prepared new compounds having a furan or lactone structure. These compounds have a pharmacological, especially antibiot |
| 5096905 |
Basic cleavage products of elaiophylin and elaiophylin derivatives and use thereof |
March 17, 1992 |
| The invention relates to elaiophylin derivatives of the formulae (I), (I'), (III) and (III') ##STR1## in which the C.dbd.C double bonds in the 2,3 and 4,5 position may also be hydrogenated and in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X have the meanings indicated. The inve |
| 4743666 |
Water-soluble copolymers with pendant phosphonic, sulphonic and amide groups |
May 10, 1988 |
| Water-soluble copolymers containing a statistical distribution of 1-86% by weight of structural units of the formula ##STR1## 9-80% by weight of units of the formula ##STR2## 5-90% by weight of units of the formula ##STR3## and up to a total of 30% by weight of one or mor |
| 4585845 |
Phosphonic acid cross-linked hydrophilic copolymers |
April 29, 1986 |
| Crosslinked copolymers wherein crosslinking is effected with crosslinking bridge members of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently of one another are each hydrogen or alkyl with 1 to 4 carbon atoms and m represents a number from 0 to 6 are prepared by copo |
| 4576973 |
Copolymer, process for its preparation and its use as a sorbent |
March 18, 1986 |
| The crosslinked, porous copolymer in the form of beads and containing 50 to 99.9% by weight of recurring units of a heterocyclic 5-membered ring compound which contains a polymerizable olefinic group and which has at least one protonizable nitrogen atom in the ring, 0.1 to 50% by weight |
| 4552953 |
Water-insoluble monoazo dyestuffs, their preparation and their use |
November 12, 1985 |
| Monoazo dyestuffs, free of carboxylic acid moieties or sulphonic acid moieties, of the formula ##STR1## wherein A and A' independently of one another are linear or branched alkylene having 2 to 6 carbon atoms;R is hydrogen, alkyl having 1 to 4 carbon atoms, cycloalkyl having 5 or 6 |
| 4552905 |
Copolymer, a process for its preparation and its use as a sorbent |
November 12, 1985 |
| The crosslinked copolymer containing 75 to 99.9% by weight of recurring units of a pyridyl, quinolyl, isoquinolyl or pyrazinyl compound containing a polymerizable olefinic group, 0.1 to 25% by weight of units of a crosslinking agent and 0 to 25% by a weight of units of a polymerizable |
| 4551513 |
Water soluble copolymers |
November 5, 1985 |
| New copolymers soluble in water and aqueous acids are disclosed comprising in a statistical distribution in the macromolecule at least 5% by weight of entities containing a formylamino functionality and at least 10% by weight of entities containing an amino carbonyl functionality, which |
| 4522997 |
Crosslinking agents for water-swellable polymers |
June 11, 1985 |
| Crosslinked, water-swellable copolymers are produced with a crosslinking agent comprising an N-(2'alkenyl)-3-methylenepyrrolidin-2-one of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are the same or different and each is hydrogen or alkyl having 1 to 6 carbon atoms. |
| 4517370 |
Process for preparing 2-chlorobenzoxazoles |
May 14, 1985 |
| In the process for preparing 2-chlorobenzoxazoles of the formula ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is independently of one another, H, chloro or alkyl having 1 to 4 carbon atoms, which comprises reacting chlorine with 2-mercaptobenzoxazoles of the formula |
| 4500437 |
Water soluble copolymers for use in fracture-acidizing of wells |
February 19, 1985 |
| New copolymers soluble in water and aqueous acids are disclosed comprising in a statistical distribution in the macromolecule at least 5% by weight of entities containing a formylamino functionality and at least 10% by weight of entities containing an amino carbonyl functionality, which |
| 4486350 |
Process for the preparation of sulphur dyestuffs of the phthalocyanine series |
December 4, 1984 |
| Preparation of phthalocyanine sulphur dyestuffs is improved by reducing phthalocyaninesulphochlorides in the presence of hydriodic acid and a non-free metal reducing agent which converts iodine into hydriodic acid. |
| 4485240 |
Process for the preparation of optionally-substituted 1,2,3,4-tetrahydro-9-cyanomethylcarbazol-1 |
November 27, 1984 |
| In a process for the preparation of optionally-substituted 1,2,3,4-tetrahydro-9-cyanomethylcarbazol-1-ones of the formula ##STR1## wherein R denotes hydrogen, halogen, alkyl or alkoxy, by cyano-methylating optionally substituted 1,2,3,4-tetrahydrocarbazol-1-ones of the formula ## |
| 4420308 |
Process for the production of reserve effects on polyester textiles and polyester/cellulose mixe |
December 13, 1983 |
| In a process known per se for the preparation of white patterns or patterns of various colors on a colored substrate on textile materials comprising hydrophobic synthetic fibres or on textile materials based on mixed fibres composed of polyester and cellulose comprising discharge printin |
| 4386935 |
Process for producing discharge reserve prints on textile materials with amino-azo-benzene dyes |
June 7, 1983 |
| An improved process for producing discharge reserve prints on textile materials comprising water-repellent fibers or mixed water-repellent and cellulose fibers wherein a disperse dyestuff which is dischargeable to white is applied to the textile material in the form of a dye liquor or |
| 4329503 |
Process for the preparation of 2-amino-4-nitrophenol |
May 11, 1982 |
| The process of reducing 2,4-dinitrophenol to 2-amino-4-nitrophenol by reduction with a hydrosulfide in aqueous alkaline solution at temperatures from 20.degree.-100.degree. C. is improved by maintaining the pH at 7 to 9.5 during the reduction. |
