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| Number | Title | Issue Date |
| 4870212 | Process for synthesizing lithium mono- and diorganylborohydrides Improved processes for liberating boronic, RB(OR')2, and borinic, RR'BOR', esters from their "ate" complexes, free of alcohol are provided. Pyrolysis of lithium organylborates LiRB(OR')3 and LiRR'BOR', wherein R is an organyl group a... | 09/26/1989 |
| 4870177 | Improved process for producing pure boronic and borinic esters Improved processes for liberating boronic, RB(OR')2, and borinic, RR'BOR', esters from their "ate" complexes, free of alcohol are provided. Pyrolysis of lithium organylborates LiRB(OR')3 and LiRR'BOR', wherein R is an organyl group a... | 09/26/1989 |
| 4868344 | Novel process of producing phenyl or substituted phenylalkylamine pharmaceutical agents and novel chiral intermediates of high enantiomeric purity useful therein A process for producing the optically pure (+)- or (-) isomer of a phenyl- or substituted- phenylalkanolamine compounds having pharmacologic activity without the need for resoltuion processes ad novel intermediates useful in the process including opticall... | 09/19/1989 |
| 4868337 | Optically active borinic esters and ketones A process for synthesizing an optically pure ketone comprising the steps of: treating an appropriate optically pure boronic ester with an organolithium compound at -78° C. to obtain the "ate" complex, separating the optically pure borinic ester from the ... | 09/19/1989 |
| 4866181 | Process for producing optically active alcohols A process for preparing optically active alcohols by reducing ketones using mono- or diisopinocampheylhaloboranes as reducing agents.... | 09/12/1989 |
| 4855506 | Process for lithium mono- and diorganylborohydrides Improved processes for liberating boronic, RB(OR')2' and borinic, RR'BOR', esters from their "ate" complexes, free of alcohol are provided. Pyrolysis of lithium organylborates LiRB(OR')3 and LiRR'BOR', wherein R is an organyl group ... | 08/08/1989 |
| 4795821 | Optically active borinic esters and ketones A process for synthesizing an optically pure ketone comprising the steps of: treating an appropriate optically pure boronic ester with an organolithium compound at -78° C. to obtain the "ate" complex, separating the optically pure borinic ester from the ... | 01/03/1989 |
| 4772752 | Mono- and diisopinocampheylhaloboranes as new chiral reducing agents Novel mono- and diisopinocampheylhaloboranes, represented by the formulae IpcBX2 and Ipc2 BX wherein Ipc is isopinocampheyl and X is halo, as well as processes for making and using same.... | 09/20/1988 |
| 4772751 | Process for lithium mono- and diorganylborohydrides Improved processes for liberating boronic, RB(OR')2, and borinic, RR'BOR', esters from their "ate" complexes, free of alcohol are provided. Pyrolysis of lithium organylborates LiRB(OR')3 and LiRR'BOR', wherein R is an organyl group a... | 09/20/1988 |
| 4713380 | Production of optically pure organoboranes A process for upgrading to essentially 100% enantiomeric excess the optical purity of an organoborane intermediate represented by the formulae: or wherein Icp is isopinocampheyl and R* is a unsubstituted or substituted, acyclic or cyclic alkyl having from 4 to... | 12/15/1987 |
| 4320027 | Process for producing highly stabilized borane-tetrahydrofuran solutions A process which comprises heating a stabilized solution of borane in tetrahydrofuran containing an organic sulfide and finely divided particles of sodium fluoroborate at an elevated temperature for a period of time sufficient to convert the sodium fluorob... | 03/16/1982 |
| 4298750 | Borane-1,4-thioxane The novel borane-1,4-thioxane is synthesized by adding the calculated quantity of diborane to 1,4-thioxane. It is a stable liquid at 25° C. The neat liquid is approximately 8.0 M in borane. The product, in spite of the additional oxygen atom in the ring,... | 11/03/1981 |
| 4082810 | Bulky trialkylborohydrides Borohydride hydrogenations using agents of the formula M[RR'R"BH] wherein M is a metal and R, R', and R" are each organic groups, at least one of them being a secondary or tertiary alkyl group, are described herein. These compounds are active hydrogenatin... | 04/04/1978 |
| 4078002 | Reduction of chemical compounds with 9-BBN 9-Borabicyclo (3.3.1) noname (9-BBN), a relatively stable solid dialkylborane, can be used to reduce a wide variety of reducible chemical compounds, including both organic and inorganic compounds. The stability of the reagent greatly reduces the operating... | 03/07/1978 |
| 3984479 | Preparation of 9-BBN 9-Borabicyclo (3.3.1) noname (9-BBN), a relatively stable solid dialkylborane, can be used to reduce a wide variety of reducible chemical compounds, including both organic and inorganic compounds. The stability of the reagent greatly reduces the operating... | 10/05/1976 |
| 3978140 | Process for the preparation of carbinols Organic compounds containing a carboxylic acid or carboxylic acid anhydride group are reduced when contacted with an alkali metal borohydride and a boron trihalide in a liquid medium in which diborane is soluble in the form of a labile borane adduct. Hydr... | 08/31/1976 |
| 3935280 | Reduction of amino acids in the presence of boron trifluoride Organic compounds containing both an amino group and a carboxylic acid group are reduced when treated with boron trifluoride followed by diborane, a borane-ether or borane-organic sulfide complex. The presence of the boron trifluoride is responsible for a... | 01/27/1976 |
