| Patent Number |
Title Of Patent |
Date Issued |
| D303277 |
Games table |
September 5, 1989 |
|
| 5605557 |
Conditioning composition and catalyst for use therewith |
February 25, 1997 |
| A conditioning composition comprising from 60 to 80% by weight of a mineral source, from 20 to 40% by weight of basalt, from 2 to 5% by weight of a bonding agent, from 1 to 20% by weight of a mixed colloidal mineral source and an amount of catalyst provided in the ratio of at least one h |
| 5464198 |
Torsional vibration damper having helical torsion springs |
November 7, 1995 |
| A torsional vibration damper (1) has an input assembly (2,6,7) and a reactor plate (25) with coil springs (40) circumferentially spaced about a center axis of the damper to absorb vibration between the input assembly and reactor plate. Each coil spring (40) includes a plurality of active |
| 5375934 |
Replacement bearing for worn shafts |
December 27, 1994 |
| A self lubricating replacement bearing assembly for supporting a rotating axle shaft within an axle housing containing axle lubricant. The rotating axle shaft includes an annular worn portion and an annular unworn portion. The bearing assembly is comprised of an annular sleeve member pos |
| 5106475 |
Process for preparing 4-substituted azetidinones |
April 21, 1992 |
| A process for preparing 3-4-cis-.beta.,.beta.-(4)-substituted and 3-4-trans,.beta.,.alpha.-(4)-substituted azetidinones is provided. Also provided are novel 4,4-disubstituted azetidinones. |
| 5062720 |
Replacement bearing for worn shafts |
November 5, 1991 |
| A self lubricating replacement bearing assembly for supporting a rotating axle shaft within an axle housing containing axle lubricant. The rotating axle shaft includes an annular worn portion and an annular unworn portion. The bearing assembly is comprised of an annular sleeve member pos |
| 4989863 |
Games table |
February 5, 1991 |
| A ball games table comprises a table top demountably fixed to a table base, the top being boarding with sheeting forming a playing surface stretched over its upper surface: one of the boarding and sheeting being water impervious. The sheeting may comprise a plurality of sheets each cover |
| 4694941 |
Drive hub for torque converter clutch |
September 22, 1987 |
| A drive hub for a torque converter lock-up clutch and damper assembly wherein a one-piece hub provides radial location for the driving and driven members and a pressure seal to provide the requisite pressure differential across the clutch pressure plate for application of the clutch |
| 4588484 |
Electrochemical reduction of 3-chlorobenzo[b]thiophenes |
May 13, 1986 |
| The present invention relates to electrochemical reduction of a 3-chlorobenzo[b]thiophene to the corresponding 3-hydrobenzo[b]thiophene compound. |
| 4537720 |
N-substituted-2-(R)-(sulfinic acid)-3-(S)-(acylamino)-4-oxo-azetidines and process |
August 27, 1985 |
| N-substituted-2-(R)-(sulfinic acid)-3-(S)-(acylamino)-4-oxo-azetidines, which are useful as intermediates in 1-oxa .beta.-lactam antibiotics, are synthesized by electrolytic reduction of 7-(S)-acylamino-3-hydroxymethyl-3-cephem-4-carboxylic acid compounds. |
| 4525304 |
Process for preparing oxazolinoazetidinones |
June 25, 1985 |
| Compounds of the formula ##STR1## in which Y is hydrogen or hydroxyl, useful as intermediates in the production of antibiotics, are prepared by reacting a sulfinic acid of the formula ##STR2## with an oxidizing agent. |
| 4477660 |
7-(S)-Acylaminocephalosporin sulfones and process |
October 16, 1984 |
| This invention encompasses 7-(S)-acylamino-3-acetoxymethyl-3-cephem-4-carboxylic acid sulfones and the epimerization process for making them. The epimerization process employs an organic nitrogen base reagent having a pKa between about 9.0 to about 11.5. The compounds of this inventi |
| 4459405 |
Desacetylcephalosporin sulfones |
July 10, 1984 |
| 7-(S)-Acylamino-3-hydroxymethyl-3-cephem sulfones are disclosed. These compounds are intermediates in the synthesis of 1-oxa .beta.-lactam antibiotics. |
| 4458071 |
Process for 1-oxa-.beta.-lactams |
July 3, 1984 |
| An azetidin-2-one-4-sulfinic acid represented by the formula ##STR1## is reacted with Pb(OAc).sub.4 in liquid SO.sub.2 containing CuII ion to provide isomeric cyclization products of the formulas ##STR2## wherein R is e.g. benzyl, phenoxymethyl, benzyloxy, diphenylmethoxy, and |
| 4436596 |
N-Substituted-2-(R)-(sulfinic acid)-3-(S)-(acylamido)-4-oxo-azetidines and process |
March 13, 1984 |
| N-substituted-2-(R)-(sulfinic acid)-3-(S)-(acylamino)-4-oxo-azetidines, which are useful as intermediates in 1-oxa .beta.-lactam antibiotics, are synthesized by electrolytic reduction of 7-(S)-acylamino-3-hydroxymethyl-3-cephem-4-carboxylic acid compounds. |
| 4407193 |
Solenoid impact print hammer with uniform free flight time |
October 4, 1983 |
| In an impact printer including a print wheel having a plurality of selectable character type bearing elements for respectively printing a plurality of characters, said print wheel being rotatable for selectively positioning selected type elements in successive print positions, impact |
| 4402803 |
Process for 3-hydrogen cephems |
September 6, 1983 |
| Cephem compounds having only a hydrogen at the 3-position are prepared by electrolytic reduction of 3-chloro or 3-sulfonyloxy cephems. |
| 4379739 |
Electrolytic reduction of cephalosporin p-nitrobenzyl esters |
April 12, 1983 |
| Deesterification of cephalosporin p-nitrobenzyl esters by electrolytic reduction. |
| 4082627 |
Electrolytic reduction of dihydrobenzopyranoxanthenones |
April 4, 1978 |
| Dihydrobenzopyranoxanthenones of the formula ##STR1## are electrolytically reduced to their corresponding hexahydrobenzopyranoxanthenones at a mercury cathode in the presence of a proton source and in the presence of an electrolyte selected from the group consisting of alkali met |
| 4042472 |
Electrolytic process for 7-methoxy-3-exomethylenecepham compounds |
August 16, 1977 |
| 7-Acylamino-7-methoxycephalosporins substituted in the 3-position with an acetoxymethyl, halomethyl or 3-thio-substituted-methyl substituent are reduced electrolytically to provide the corresponding 3-exomethylenecepham compound. For example, 7-(2-thienylacetamido)-7-methoxy-3-acetox |
| 4031097 |
Descarboxylysergic acid |
June 21, 1977 |
| Descarboxylysergic acid prepared from 2,3-dihydro-8.beta.-hydroxy-6-methyl-9-ergolene or from penniclavine has oxytocic, serotonin antagonist, prolactin inhibition and muscle contracting activities. |
| 3972793 |
Continuous flow-through mercury cathode electrolysis cell |
August 3, 1976 |
| A continuous flow-through mercury cathode electrolysis cell is described having a parallel anode and cathode and a non-conductive porous diaphragm separator. The cathode chamber is constructed so as to develop turbulence in the catholyte flowing therethrough to effect the maximum contact |
| 3954772 |
Descarboxylysergic acid |
May 4, 1976 |
| Descarboxylysergic acid prepared from 2,3-dihydro-8.beta.-hydroxy-6-methyl-9-ergolene or from penniclavine has oxytocic, serotonin antagonist, prolactin inhibition and muscle contracting activities. |
