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Andreas Ruhl Patents |
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Inventor: Ruhl; Andreas
Address: Rossdorf, DE
No. of patents: 10
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7250198 |
Liquid-crystalline compounds |
July 31, 2007 |
| Liquid-crystalline compounds of the formula I ##STR00001## in which R.sup.1, A.sup.1, A.sup.2, Z.sup.1, Z.sup.2, X, a, b, L.sup.1, L.sup.2 and L.sup.3 are as defined herein, and to liquid-crystalline media comprising at least one compound of the formula I and to electro-optical disp |
| 7135210 |
Liquid crystal compounds |
November 14, 2006 |
| The invention relates to liquid crystal compounds of formula (I), where X.sup.1, X.sup.2, X.sup.3, Z.sup.1, Z.sup.2, L.sup.1, L.sup.2, L.sup.3, L.sup.4, L.sup.5, L.sup.6, L.sup.7, L.sup.8, L.sup.9, L.sup.10, L.sup.11 and a have the meanings given in claim 1, and liquid crystal media |
| 6875894 |
Bis(alkylthio)carbenium salts |
April 5, 2005 |
| The invention relates to bis(alkylthio)carbenium salts of the formula I ##STR1##with the stated definitions for R.sup.1, R.sup.2, R.sup.3 and Y.sup.-,and to a process for the preparation thereof. The compounds according to the invention are advantageously suitable as electrophilic reagents f |
| 6321462 |
Web dryer with fully integrated regenerative heat source |
November 27, 2001 |
| Integrated web dryer (10) and regenerative heat exchanger (20), as well as a method of drying a web of material using the same. The apparatus and method of the present invention provides for the heating (22) of air and the converting of VOC's to harmless gases in a fully integrated manne |
| 6056895 |
Fluorocyclohexane derivatives, and liquid-crystalline medium |
May 2, 2000 |
| The invention relates to fluorocyclohexane derivatives of the formula I ##STR1## in which n, m, R.sup.1, X.sup.1, X.sup.2, Z.sup.1, Z.sup.2, A.sup.1 and Y are as defined above. |
| 5676536 |
Raw gas burner and process for burning oxygenic constituents in process gas |
October 14, 1997 |
| Raw gas burner that maximizes fuel efficiency of the burner, minimizes residence time, and reduces or eliminates flame contact with the process air or gas in order to minimize NOx formation. Process air flow such as from the cold side of a heat exchanger associated with thermal oxidizer |
| 5618173 |
Apparatus for burning oxygenic constituents in process gas |
April 8, 1997 |
| Process and apparatus for burning combustible constituents in process gas in a main combustion enclosure, preferably a thermal post-combustion device, whereby the main combustion enclosure is separated from a combustion chamber, into which oxygenic gas and gaseous fuel are fed, mixed |
| 5609833 |
Process and apparatus for burning oxygenic constituents in process gas |
March 11, 1997 |
| Process and apparatus for burning combustible constituents in process gas in a main combustion enclosure, preferably a thermal post-combustion device, whereby the main combustion enclosure is separated from a combustion chamber, into which oxygenic gas and gaseous fuel are fed, mixed |
| 5601789 |
Raw gas burner and process for burning oxygenic constituents in process gas |
February 11, 1997 |
| Raw gas burner that maximizes fuel efficiency of the burner, minimizes residence time, and reduces or eliminates flame contact with the process air or gas in order to minimize NOx formation. Process air flow such as from the cold side of a heat exchanger associated with thermal oxidizer |
| 5422035 |
Benzene derivatives, and liquid-crystalline medium |
June 6, 1995 |
| A liquid-crystalline medium based on a mixture of polar compounds having positive dielectric anisotropy, comprising one or more compounds of the formula I ##STR1## in which R, A.sup.1,. A.sup.2, Z.sup.1, Z.sup.2, m, n, L.sup.1, L 2 and L.sup.3 are as defined in claim 1. |
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