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Manfred Doering
Manfred Doering, Woerth-Buchelberg DE
| Patent application number | Description | Published |
|---|---|---|
| 20100280215 | NITROUS BRIDGED DERIVATIVES OF 6H-DIBENZ[C,E][1,2]-OXAPHOSPHORINE-6-OXIDES, PROCESS FOR THE PREPARATION AND USE THEREOF - The invention refers to nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, a process for the preparation thereof and their use as flameproofing agents for polymers such as polyesters, polyamides, polycarbonates, polystyrenes, polyethylene, polypropylene, phenolic and epoxy resins. The derivatives have the Formulae I or II: | 11-04-2010 |
Manfred Doering, Woerth DE
| Patent application number | Description | Published |
|---|---|---|
| 20100016475 | IMIDAZOLE SALTS, METHOD FOR PRODUCING THEM, USE THEREOF AND EPOXY RESINS CONTAINING SAID SALTS - The invention refers to salts of at least one imidazole of the general formula (I), in which R | 01-21-2010 |
| 20100166971 | CATALYST FOR CURING EPOXIDES - The use of 1,3-substituted imidazolium salts of the formula I | 07-01-2010 |
| 20100179299 | CATALYST FOR CURING EPOXIDES - The use of 1,3-substituted imidazolium salts of the formula I | 07-15-2010 |
| 20100184925 | CATALYST FOR CURING EPOXIDES - The use of 1,3-substituted imidazolium salts of the formula I | 07-22-2010 |
| 20100187715 | CATALYST FOR CURING EPOXIDES - The use of 1,3-substituted imidazolium salts of the formula I | 07-29-2010 |
Manfred Doering, Hamburg DE
| Patent application number | Description | Published |
|---|---|---|
| 20100132656 | Intake system for sucking in combustion air and manually guided piece of equipment - In order to provide an intake system ( | 06-03-2010 |
| 20100180861 | Carburettor unit for motorized equipment - In order to provide a carburettor unit for motorized equipment, in particular hand-operated motorized equipment such as a chain saw, a trimmer, a lawn-cutting appliance, a foliage clearing appliance or suchlike, having a housing, in which a throttle valve and a choke valve are held so as to be movable respectively between a closed position and an open position, which overcomes the disadvantages of the prior art and in which an incorrect position between the throttle valve and the choke valve is avoided, it is proposed that a locking element is provided, which is adjustable through the movement of the throttle valve and cooperates with the choke valve such that a movement of the choke valve into the closed position is locked when the motorized equipment is set in operation. | 07-22-2010 |
Manfred Doering, Woerth-Buechelberg DE
| Patent application number | Description | Published |
|---|---|---|
| 20080200617 | Halogen-Free Flameproof Epoxy Resin Formulations - The invention relates to a method for preparing halogen-free flameproof epoxy resins, in which a halogen-free epoxy resin is reacted with a polyfunctional aldehyde or ketone and a phosphinic acid derivative, wherein the phosphinic acid derivative contains at least one P—H-active structural unit of the formula ═PH(O) and is used in an amount equivalent to the polyfunctionality of the aldehyde or ketone, to a halogen-free flameproof epoxy resin obtainable by this method, to the use of the epoxy resin as a base material for the manufacture of printed circuit boards and printed circuits and to intermediates used to prepare the epoxy resins. | 08-21-2008 |