U.S. patents available from 1976 to present.
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Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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Attorney: Stewart and Kolasch, Ltd.


Number of patents: 150
Last date: March 29, 1977

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NumberTitleIssue Date
4014681Vehicle recycling process
A vehicle recycling plant comprising a furnace, means for introducing a fuel into said furnace, a cupola disposed in close proximity to said furnace, and communicating therewith so that the hot gases discharged from the furnace are introduced into the cup...
03/29/1977
4014895Method for synthesis of optically active thiolactones
A new method for the production of intermediates in the synthesis of an optically active biotin, which comprises reacting a dicarboxylic acid of the formula: ##SPC1## Or its reactive derivative with an optically active primary amine, reducing the res...
03/29/1977
4010280Phenoxyalkylamine derivatives and preparation thereof
A phenoxyalkylamine derivative of the formula: ##STR1## and its pharmaceutically acceptable salts, which are useful as neuroleptic agents and a process for their preparation by reacting a compound of the formula: ##STR2## with a compound of...
03/01/1977
4010061Paper roll splicing method and apparatus
The present invention relates to a method and apparatus for splicing paper rolls. More particularly, in a mill roll stand which rotatably supports two paper rolls in face to face, opposing relationship and which allows the respective position of the two p...
03/01/1977
4009914Alarm system for a skid control system
In a skid control system for fluid actuated brakes of a wheeled vehicle, it is necessary to provide a fault detection unit for detecting a dangerous fault condition of the skid control system and disconnecting the skid control system from an electric sour...
03/01/1977
4010238Proces for selective removal of nitrogen oxides from waste gases
A process for the selective removal of nitrogen oxides from waste gases containing nitrogen oxides, which comprises contacting the waste gases with a metal oxide catalyst having the following formula: wherein V is vanadium; A is at least one element selected f...
03/01/1977
4009275Phenoxypropylamine derivatives
Phenoxypropylamine derivatives of the formula: ##STR1## (in which R2 is a halogen atom or a trifluoromethyl group) and R1 is a halogen atom or a C1 -C4 alkyl or C2 -C4 alkenyl group, a...
02/22/1977
4007684Ink liquid warmer for ink jet system printer
In an ink jet system printer of the charge amplitude controlling type, it is required to ensure stable printing that viscosity and surface tension of ink liquid supplied to a nozzle is maintained at a constant value. To this end, there is provided an ink ...
02/15/1977
4008220Penicillins
A penicillin of the formula: ##STR1## wherein ##STR2## is a six-membered heteroaromatic ring containing 1 or 2 nitrogen atoms as the hetero atom, Y is hydrogen, lower alkanoyl or lower alkoxycarbonyl, R1 and R2 are eac...
02/15/1977
4007463State detection arrangement for ink jet system printer
An ink jet system printer of the charge amplitude controlling type wherein a charge amplitude on ink drops charged by the application of phase detection signals to a charging electrode is sensed and then the relationship in phase between charging signals ...
02/08/1977
4005403Information storage and frequency converter for liquid crystal display
A general-purpose LSI (large-scale integrated circuit) computation circuit provides segment signals of high frequency at respective ones of its output terminals for displaying the computation results. It is necessary to provide a pulse frequency and pulse...
01/25/1977
4005075Penicillins and their preparation
Penicillins of the formula: ##STR1## wherein R is an unsubstituted phenyl group or a substituted phenyl group having one or more hydroxyl groups or a cyclohexadienyl group and A represents a monocyclic or polycyclic nitrogen-containing heterocyclic ...
01/25/1977
4003978Method for treating ammonia-containing gases
A method for treating ammonia-containing gases for removing ammonia therefrom, which comprises contacting the ammonia-containing gases with a metal oxide catalyst having the following formula: wherein Cr is chromium; A is at least one element selected from the...
01/18/1977
4003021Level determination for optical character reader
Optical information on a card is read by an image sensor and then converted to a video signal represented by a digital signal of several bits through the use of an amplifier and an A - D converter. A reference level is determined by scanning a reference p...
01/11/1977
4001544Apparatus for fixing electrophotographic images
Apparatus for fixing electrophotographic images carrying toner powder and comprising an upper heated fixing roller and a lower driven counter roller cooperating with the fixing roller to form a nip for the passage of image bearing sheets to be fixed, the ...
01/04/1977
4001885Video recording and reproducing system
The video recording and reproducing system disclosed herein is adapted to perform record and/or playback in two selectable modes. In one mode of operation termed "standard mode," only one field of television video signal is recorded on or reproduced from ...
01/04/1977
3998697Process for preparing 2-keto-L-gulonic acid
2-Keto-L-gulonic acid is prepared directly from D-glucose by microbial conversion utilizing mixed culturing on or mixed contacting with a medium containing D-glucose, employing at least two kind of microorganisms; 2,5-diketo-D-gluconic acid producing stra...
12/21/1976
3997030Automatic brake adjusting device for bicycles
The present invention relates to a device for use with a bicycle brake system consisting of brake means including a housing secured to a handle bar, and a brake operating lever grippably secured to said housing; brake means for braking a wheel; and a Bowd...
12/14/1976
3997889Alarm system for indicating a fault condition of an anti-skid braking control system
In an alarm system wherein a fault detection unit and a fault indication unit are spaced away from each other, long wires for detection signal transmission and for power supply, etc., are necessary. A fault indication driving circuit is provided within or...
12/14/1976
3993780Phenoxyethylamine derivatives having central nervous system depressant and anti-hypertensive activity
Novel phenoxyethylamine derivatives of the formula: ##SPC1## Wherein R1 and R2 are each hydrogen, halogen, C1 -C4 alkyl or C1 -C4 alkoxy, R3 is hydrogen or C1 -C4
11/23/1976
3992371Penicillins substituted with heterocyclic and substituted phenyl groups
Novel penicillins of the formula ##SPC1## Wherein ##EQU1## represents a substituted or unsubstituted benzene or nitrogen atom-containing heteroaromatic ring which may be substituted, ##EQU2## represents a pyridine, pyrazine or pyridazine ri...
11/16/1976
3991499Variable calendar
A variable calendar is provided in which the days of the week for several successive weeks are displayed in registry in first and second fixed scales which cooperate, respectively, with first and second sliding scales cumulatively displaying the calendar ...
11/16/1976
3990419Air cleaner for use with an internal combustion engine
An air cleaner for intake air of an internal combustion engine wherein one end of a pressure balancing tube connected to a space confined within a crank case of the engine communicates with to an air cleaner outlet chamber space from which the intake air ...
11/09/1976
3989678Hot melt adhesives comprising copolymeric polyamides
A hot melt adhesive which comprises a copolyamide consisting essentialy of (1) &3xb5;-caprolactam, (2)(a) hexamethylenediamine and (b) at least one straight chain, saturated aliphatic dicarboxylic acid having 6 to 20 carbon atoms in a substantially equimo...
11/02/1976
3989750Racemization of optically active 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylic acids
A method for racemization of optically active 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylic acids of the formula: ##EQU1## wherein R1 and R2 are each a hydrogen atom or an alkyl group having 1 to 4 carbon atoms or, ...
11/02/1976
3989049Method of applying an elastic ring to an anatomical tubular structure
A ring applicator device for use in applying an elastic occluding ring to an anatomical tubular structure which comprises an inner cylinder slidably disposed within an outer cylinder, forceps means slidably disposed within said inner cylinder, means for m...
11/02/1976
3988423Method for removing harmful materials from waste gas
A method for removing efficiently and economically harmful materials from a waste gas exhausted in a process for producing acrylonitrile by ammoxidation of propylene, which comprises dividing the waste gas exhausted after the absorption of acrylonitrile i...
10/26/1976
3987965Water valve
An on-off water valve which is adapted to be removably fixed to the end of a water faucet which comprises a valve housing, a valve seat extending across the valve housing and dividing said housing into an upper and lower portion, said valve seat provided ...
10/26/1976
3986333Electronic digital clock
The present disclosure is directed to an electronic digital clock made up of electronic components without using a chain of counters. The digital clock utilizes shift registers with a recirculation path for storing the time information as to hours, minute...
10/19/1976
3986736Pipe joint
A pipe joint assembly comprising, in combination, a pipe to be coupled having at a predetermined outer position spaced from its end a rolled circular groove of a preselected depth, said groove having a semicircular cross-section, a sleeve and a fastener m...
10/19/1976
3986154Automatic tuning apparatus
An automatic tuning apparatus comprising a tuner having a tank circuit employing a voltage controlled variable capacitance diode as a circuit element, which diode is supplied in the reverse direction with a scanning control voltage from a solid state pote...
10/12/1976
3986014Hood structure for electronic calculators
Electronic calculators generally employ discharge type indication tubes, fluorescence type indication tubes, plasma tubes, light-emitting diodes, liquid-crystal units, etc., as read-out devices therefor. In particular, the liquid crystal indication units ...
10/12/1976
3983577Introduction of data entry completion signals to a cassette tape containing data processing terminal unit
The data processing terminal unit in the form of a point of sale transaction device disclosed herein contains a keyboard for introducing data into the data processing terminal unit and a cassette tape deck which includes a cassette type magnetic tape and ...
09/28/1976
3981991Stabilization of interferon
An aqueous interferon solution is stabilized by treatment with a combination of (a) an agent for disrupting non-covalent bonds, (b) an agent for reducing disulfide bridges, and (c) an anionic or cationic surface-active agent....
09/21/1976
3981578Electrophotographic copying machine with seamless image forming and transfer band
An electrophotographic copying machine which includes an endless and seamless image forming and transfer band of electrically conducting material having a coating of photoconductive material....
09/21/1976
3981019Charging signal supply circuit for ink jet system printer
An ink jet system printer of the charge amplitude controlling type wherein a predetermined phase relationship is established between separation of ink drops from a nozzle to a record receiving member and application of charging signals to a charging elect...
09/14/1976
3980863Electrophotographic copying machines
Apparatus for fixing electrophotographic images produced by an electrophotographic copying machine, comprising a conveyor belt for transporting image bearing sheets on its upper run and a planar heater which extends substantially parallel to the upper run...
09/14/1976
3980662Process for preparing acid amides
The acid amides are produced by a process comprising hydrating a nitrile compound in the presence of a copper-containing polymer having basic nitrogenous groups in the polymer chain or linked with the polymer chain as a catalyst....
09/14/1976
3980577Diphenylmethane electrophotographic liquid developer
An electrophotographic developer containing a lake of a diphenylmethane color of the formula: ##SPC1## Wherein R1 and R3 are each hydrogen, phenyl or alkyl substituted or unsubstituted with hydroxyl, alkoxy, cyano, carbalkoxy, carbam...
09/14/1976
3980561Device for purifying sewage
A device for purifying sewage by employing a bed of aerobes or activated sludge characterized by the use of a movable air supply means which is moved across the bottom portion of the bed to apply a concentrated supply of air to a limited portion of the be...
09/14/1976
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