| Patent Number |
Title Of Patent |
Date Issued |
| 7553903 |
Swellable hydrogel-forming polymers having a low fraction of fines |
June 30, 2009 |
| Swellable hydrogel-forming polymer comprising at least one hydrophilic polymer of dendritic structure, a process for preparing the swellable hydrogel-forming polymer and also its use in hygiene articles. |
| 7420013 |
Mixtures of compounds comprising at least two double bonds and use thereof |
September 2, 2008 |
| A mixture of at least two compounds each having at least two double bonds, said mixture having a WFR from 200 to 600 g/mol of double bond and at least two of said compounds each comprising at least two (meth)acrylic esters as double bond component, WFR being given by:.times..alpha. . |
| 6786940 |
Paraffin dispersants with a lubricity effect for distillates of petroleum products |
September 7, 2004 |
| The mixture contains (a) from 5 to 95% by weight of at least one reaction product of a poly(C.sub.2-20 -carboxylic acid) having at least one tertiary amino group with secondary amines and (b) from 5 to 95% by weight of at least one reaction product of maleic anhydride and a primary |
| 5892121 |
Purification of tertiary phosphine oxides |
April 6, 1999 |
| A process for the purification of tertiary phosphine oxides obtained in a Wittig synthesis as a contaminated by product resulting from the reaction of the corresponding tertiary phosphines, especially triphenylphosphine. The contaminated tertiary phosphine oxides coming from this Wittig |
| 5856494 |
Preparation of 2, 2, 6, 6-tetramethylpiperidin-4-one (TAA) |
January 5, 1999 |
| A process for preparing 2,2,6,6-tetramethylpiperidin-4-one (TAA) is described, whereina mixture comprising acetone and/or acetone condensates and ammonia in a molar ratio of from 20:1 to 3:1at from 50.degree. to 130.degree. C.is reacted in the presence of dimethyl sulfate, the amount of dime |
| 5689005 |
Reductive deoxygenation using a redox catalyst |
November 18, 1997 |
| A process for the deoxygenation of organic oxo compounds, in particular phosphine oxides to phosphines and nitrobenzene to aniline, with reduced redox catalysts in a non-steady-state reaction with decoupled reductive regeneration of the redox catalyst entails the redox catalyst being |
