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Gerd Haderlein Patents |
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Inventor: Haderlein; Gerd
Address: Grunstadt, DE
No. of patents: 7
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7439381 |
Hydrocyanation method |
October 21, 2008 |
| A process is described for preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene with hydrogen cyanide over at least one catalyst, wherein the 1,3-butadiene and/or hydrogen cyanide is contacted with at least one microporous solid before the reaction. |
| 7407643 |
Process for removing water from a mixture containing water and zinc chloride |
August 5, 2008 |
| A process for the removal of water from a mixture comprising water and zinc chloride, which comprises adding to said mixture comprising water and zinc chloride an aprotic, polar diluent whose boiling point in the case where an azeotrope is not formed between said diluent and water |
| 7361778 |
Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile |
April 22, 2008 |
| A process for isomerizing cis-2-pentenenitrile to trans-3-pentenenitrile in the presence of aluminum oxide as a catalyst, wherein the aluminum oxide has a BET surface area of at least 50 m.sup.2/g. |
| 7345006 |
Catalyst system containing Ni(0) for hydrocyanation |
March 18, 2008 |
| A system comprising a) Ni(0) b) from 4 to 10 mol per mol of Ni(0) in a) of a compound (I) of the formula P(X.sup.1R.sup.1)(X.sup.2R.sup.2)(X.sup.3R.sup.3) (I) where X.sup.1, X.sup.2, X.sup.3 are each, independently of one another, oxygen or a single bond, R.sup.1, R.sup.2, R.sup |
| 7084294 |
Method for the recycling of a Lewis acid |
August 1, 2006 |
| A process for the recovery of a Lewis acid from a reaction mixture (I) which has been obtained in the hydrocyanation of an olefinically unsaturated compound to a nitrile which has a miscibility gap with water under certain pressure and temperature conditions, in the presence of a cat |
| 7067685 |
Phosphonites, use thereof as ligand in transition metal complexes and method for production of n |
June 27, 2006 |
| The invention relates to phosphinites I of formulae (1) or (2), in which R1, R2, R5, R6, R7, R8, R9 independently represent hydrogen, an alkyl or alkylene group having 1 to 8 carbon atoms or an alkoxy group having 1 to 8 carbon atoms; R3 is H or methyl; R4 is i-propyl or t-butyl; X is F, |
| 7022866 |
Phosphonites |
April 4, 2006 |
| Phosphonites I of the formula 1 or 2 ##STR00001## where R1, R2 are each, independently of one another, hydrogen, an alkyl or alkylene group having from 1 to 8 carbon atoms or an alkoxy group having from 1 to 8 carbon atoms, with the proviso that R1 and R2 are not simultaneously H, R3 i |
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