Search
Now showing items 181-190 of 208
Apparatus for Delivering Air Through Powered Axle Assemblies
(U.S. Patent and Trademark Office, 2011-03-01)
An apparatus for delivering air through a powered axle assembly and an improved powered axle assembly which incorporates the apparatus. The apparatus comprises: a base attachable to a non-rotating structure within the axle ...
3-thia-7-azabicyclo(3.3.L)Nonanes and Derivatives as Antiarrhythmic Agents
(U.S. Patent and Trademark Office, 1986-04-08)
3-Thia-7-azabicyclo(3.3.1)nonanes and derivatives thereof are disclosed. The preparation of these compounds is given. Their use as antiarrhythmic agents is given.
Heteroarotinoids as Anticancer Agents
(U.S. Patent and Trademark Office, 1990-12-11)
Novel heteroarotinoid compositions characterized by the formulae: ##STR1## where: X is S or O; OAc is the acetate group ##STR2## and R is --H, --OH, --OCH.sub.3, or --OC.sub.2 H.sub.5 and includes ##STR3## for formulae (1) ...
Platinum group metals recovery
(U.S. Patent and Trademark Office, 2022-01-18)
The disclosed methods are utilized for recovering a high percent of platinum group metals from spent catalytic converters. The methods use an aqua regia bath and ultrasonic agitation to liberate the metals from the carrier ...
Facile and Selective Perfluoro- and Polyfluoroarylation of Meldrums Acid
(U.S. Patent and Trademark Office, 2019-06-11)
This disclosure relates generally to the facile and selective mono-perfluoro and -polyfluoroarylation of Meldrum's acid to generate a versatile synthon for highly fluorinated alpha-phenyl acetic acid derivatives which ...
N-alkyl and N-acyl Derivatives of 3,7-diazabicyclo-[3.3.1]Nonanes and Selected Salts Thereof as Multi-class Antiarrhythmic Agents
(U.S. Patent and Trademark Office, 1998-07-28)
3,7-Diazabicyclo[3.3]nonanes and selected derivatives thereof of the general formula: ##STR1## wherein Q=S; Z=CH.sub.2 ; and Y equals an N-acyl or N-alkyl group are disclosed as multiclass antiarrhythmic agents.
Apparatus and Method for a Microsphere Whispering-gallery Mode Evanescent-wave Sensor
(U.S. Patent and Trademark Office, 2004-08-24)
A microsphere whispering-gallery mode evanescent-wave sensor for use in the detection and identification of atoms or molecules has been developed. In operation, the species under scrutiny is introduced proximate to a ...
Preparation of the Layer-by-layer Assembled Materials from Dispersions of Highly Anisotropic Colloids
(U.S. Patent and Trademark Office, 2008-10-21)
A method for the assembly of a thin film containing highly anisotropic colloids that includes the steps of immersing a substrate in a first solution or dispersion comprising a first substance, wherein the first substance ...
Polyheterobicyclotridecane Compounds
(U.S. Patent and Trademark Office, 1990-12-25)
3-7-Diheterabicyclo[3.3.1]nonanes and derivatives thereof are disclosed. Their method of preparation and use as antiarrhythmic agents is given.
Apparatus for Rapid Toxicity Testing of a Liquid Sample
(U.S. Patent and Trademark Office, 1995-10-17)
A toxicity testing assay wherein a test sample is prepared with electrochromic dye and a living organism of the cladoceran order or other test organisms, and the sample is irradiated with alternately blue and yellow light ...