Condensate of an optically active-4-(1-hydroxyethyl)biphenyl with an optically active organic acid
OF PREFERRED EMBODIMENTS R.sup.1 in the formula (I) is preferably an alkyl group or an alkoxy group each of 3 to 16 carbon atoms, more preferably an alkyl group or an alkoxy group each of 5 to 10 car... Read More
Inventors: Ohno, Kouji; Inoue, Hiromichi; Saito, Shinichi; Miyazawa, Kazutoshi; Ushioda, Makoto;, Assignee: Chisso Corporation (Osaka, JP) |
Liquid crystal compounds and indicating device employing same
We claim: 1. A liquid crystalline mixture with ferroelectric properties containing at least 2 components, wherein at least one of said components is an optically active compound of the formula ##STR6#... Read More
Inventors: Boller, Arthur; Buchecker, Richard; Fromm, Hans-Jurgen; Kelly, Stephen; Schadt, Martin; Villiger, Alois;, Assignee: Hoffmann-La Roche Inc. (Nutley, NJ) |
Optically active compound having a plurality of asymmetric carbon atoms
OF PREFERRED EMBODIMENTS In the above formula (I), R.sup.1 is preferably a linear chain alkyl group or alkoxy group each of 4 to 14 carbon atoms. Representative examples of the optically active group... Read More
Inventors: Ohno, Kouji; Saito, Shinichi; Inoue, Hiromichi; Miyazawa, Kazutoshi; Ushioda, Makoto;, Assignee: Chisso Corporation (Osaka, JP) |
Ionophore-containing ferroelectric liquid crystal mixtures
What is claimed is: 1. A ferroelectric liquid crystal mixture composed of at least two components, which contains as one component at least one ionophore of the general formula (I) ##STR9## in which R... Read More
Inventors: Harada, Takamasa; Rosch, Norbert; Wingen, Rainer;, Assignee: Hoechst Aktiengesellschaft (Frankfurt am Main, DE) |
Ointment applicator
OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1-6 of the drawing, a medication ointment applicator bandage 10 according to one embodiment of the invention comprises an elongated sheet 12 of transpa... Read More
Inventors: Abplanalp, George;, Assignee: |
Implantable hydraulic penile erector
We claim: 1. An implantable hydraulic penile erectile device, comprising: a pair of compression means engageable with the crura of the penis for compressing said crura and the deep penile veins therei... Read More
Inventors: Thuroff, Joachim; Borodulin, German; Shkolnik, Alexander;, Assignee: |
Process for producing microparticulated protein and the product thereof
I claim: 1. A microparticle which comprises egg white proteins; the microparticle having a particle size of from about 0.5 to 3.0 .mu.m; the microparticle having a dense outer coat consisting essentia... Read More
Inventors: Ziegler, Gregory R.;, Assignee: The Pennsylvania Research Corporation (University Park, PA) |
Free-flowing detergent powder compositions containing sodium perborate monohydrate
We claim: 1. A method for preparing a free-flowing detergent powder comprising: (i) selecting sodium perborate monohydrate having physical characteristics of specific surface area (SA in m.sup.2 /g) a... Read More
Inventors: Farnworth, Pauline; Garner-Gray, Peter F.; Parslow, Michael W.;, Assignee: Lever Brothers Company (New York, NY) |
Alpha-hydroxy carboxylic acid derivates suitable for use in liquid crystal materials and devices
We claim: 1. A lactic acid derivative having the formula: ##STR127## wherein R.sub.1 is alkyl or alkoxy an R.sub.2 is alkyl, the total number of carbon atoms in R.sub.1 plus R.sub.2 being 25 or less; ... Read More
Inventors: Chan, Lawrence K. M.; Coates, David; Gemmell, Peter A.; Gray, George W.; Lacey, David; Toyne, Kenneth J.; Young, Daniel J. S.;, Assignee: |