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Inventor:
Stogryn; Eugene L.
Address:
Edison, NJ
No. of patents:
22
Patents:












Patent Number Title Of Patent Date Issued
4961873 Absorbent composition containing a severely-hindered amine mixture with amine salts and/or amino October 9, 1990
The present invention relates to a new alkaline absorbent solution that reduces the H.sub.2 S content in a treated gas to below 10 vppm. The absorbent solution contains two severely-hindered amines, such as bis(tertiarybutylaminoethoxy)-ethane (BTEE) and ethoxyethoxyethanol-tertiaryb
4894179 Absorbent composition containing a tertiary amino azabicyclic alcohol and an amine salt January 16, 1990
A new alkaline absorbent solution containing a tertiary amino azabicyclic alcohol in combination with its salt with a strong acid and/or in combination with a severely-hindered aminoacid is provided. A process for the removal of H.sub.2 S from fluid mixtures using this absorbent solution
4894178 Absorbent composition containing severely-hindered amine mixture for the absorption of H.sub.2 S January 16, 1990
The present invention relates to a mixture of severely-hindered amines, such as bis-(tertiarybutylaminoethoxy)-ethane (BTEE) and ethoxyethoxyethanoltertiarybutylamine (EEETB), and a one-step synthesis method for its preparation. Besides, this invention describes the use of the mixtur
4762934 Diaminoether compositions August 9, 1988
A novel class of diaminoether compounds wherein one amino group thereof is a tertiary amine in N-heterocyclic form and the other amino group is a severely sterically hindered secondary amino group may be prepared by a three-step process and are useful in the selective removal of H.sub.2
4665234 Severely sterically hindered secondary aminoether alcohols May 12, 1987
A novel class of severely sterically hindered secondary aminoether alcohols of the general formula: ##STR1## are prepared wherein R.sub.1 and R.sub.2 are each selected from the group consisting of alkyl and hydroxylalkyl radicals R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each sel
4665195 Process for preparing di-amino-polyalkenyl ethers May 12, 1987
Disclosed is a process for producing di-amino-polyalkenyl ethers by reacting (a) one or more acyclic or heterocyclic amino compounds with (b) one or more polyalkenyl ether glycols or polyalkenyl amino ether alcohols, in the presence of a hydrogenation catalyst, at elevated temperatures a
4487967 Process for preparing secondary aminoether alcohols December 11, 1984
The present invention relates to a process for selectively preparing severely sterically hindered secondary aminoether alcohols by reacting a primary amino compound with a polyalkenyl ether glycol in the presence of a hydrogenation catalyst at elevated temperatures and pressures. The
4483833 Process for selective removal of H.sub.2 S from mixtures containing H.sub.2 .sub.2 with heterocyc November 20, 1984
The selective removal of H.sub.2 S gas from a normally gaseous mixture containing H.sub.2 S and CO.sub.2 is accomplished by contacting the gaseous mixture with an absorbent solution comprising a nitrogen heterocyclic tertiary aminoalkanol or aminoetheralkanol whereby H.sub.2 S is sel
4471138 Severely sterically hindered secondary aminoether alcohols September 11, 1984
A novel class of severely sterically hindered secondary aminoether alcohols of the general formula: ##STR1## are prepared wherein R.sub.1 and R.sub.2 are each selected from the group consisting of alkyl and hydroxylalkyl radicals R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each sel
4460385 Process for the removal of acid gases from hydrocarbon gases containing the same July 17, 1984
Disclosed is a process for selectively removing one or more acid gases from hydrocarbon feed streams containing the same using hydroxyalkyl pyrrolidones as a physical solvent for each of the acid gases or aqueous mixtures containing the physical solvent. The process may be operated u
4417075 Di-(Secondary and tertiaryalkylaminoalkoxy)alkanes November 22, 1983
A novel class of di-secondary aminoethers of the general formula: ##STR1## are disclosed wherein R.sub.1 and R.sub.8 are each independently selected from the group consisting of primary alkyl having 1 to 8 carbon atoms and primary hydroxyalkyl having 2 to 8 carbon atoms, secondary al
4405811 Severely sterically hindered tertiary amino compounds September 20, 1983
A novel class of severely sterically hindered tertiary amino compounds having a pK.sub.a value at 20.degree. C. greater than 8.6, preferably ranging from 9.3 to about 10.6, and a cumulative -E.sub.s value of at least 1.9 are found to be useful in selective removal of H.sub.2 S from a
4405585 Process for the selective removal of hydrogen sulfide from gaseous mixtures with severely steric September 20, 1983
The selective removal of H.sub.2 S gas from a normally gaseous mixture containing H.sub.2 S and CO.sub.2 is accomplished by contacting the gaseous mixture with an absorbent solution comprising a severely sterically hindered secondary aminoether alcohol having a cumulative .sup.- -E.s
4405583 Process for selective removal of H.sub.2 S from mixtures containing H.sub.2 .sub.2 using di-sever September 20, 1983
The selective removal of H.sub.2 S gas from a normally gaseous mixture containing H.sub.2 S and CO.sub.2 is accomplished by contacting the gaseous mixture with an absorbent solution comprising a di-secondary aminoether wherein each amino group has a severely sterically hindered secon
4405582 Process for selective removal of H.sub.2 S from mixtures containing H.sub.2 .sub.2 using diaminoe September 20, 1983
The selective removal of H.sub.2 S gas from a normally gaseous mixture containing H.sub.2 S and CO.sub.2 is accomplished by contacting the gaseous mixture with an absorbent solution comprising a diaminoether wherein at least one amino group is a tertiary amine whereby H.sub.2 S is se
4405581 Process for the selective removal of hydrogen sulfide from gaseous mixtures with severely steric September 20, 1983
The selective removal of H.sub.2 S gas from a normally gaseous mixture containing H.sub.2 S and CO.sub.2 is accomplished by contacting the gaseous mixture with an absorbent solution comprising a severely sterically hindered secondary amino compound having a cumulative .sup.- E.sub.s
4405580 Process for selective removal of H.sub.2 S from mixtures containing H.sub.2 .sub.2 with tertiary September 20, 1983
The selective removal of H.sub.2 S gas from a normally gaseous mixture containing H.sub.2 S and CO.sub.2 is accomplished by contacting the gaseous mixture with an absorbent solution comprising a tertiary amino azabicyclic alcohol whereby H.sub.2 S is selectively absorbed from the mix
4293623 Electrolytes for alkali-metal electrochemical devices October 6, 1981
An electrolyte for an alkali metal electrochemical device features (a) an organic solvent; and (b) at least one electrolytically active alkali-metal complex anion salt. The salt has the formula:wherein Z is an alkali-metal; wherein M is an element selected from a group consisting of B, A
4224256 Method of preparing ether adducts of organic-alkali metal-boron salts September 23, 1980
The present invention is directed to a method of preparing an organic-alkali metal-boron salt of the formula:wherein Z is an alkali metal selected from the group consisting of lithium and sodium, wherein B is boron, wherein Ar is an aromatic organic radical selected from a specified grou
4216191 Method of preparing inorganic-alkali metal salts August 5, 1980
The present invention is directed to a method of preparing an inorganic-alkali metal salt of the formula:wherein Z is an alkali metal selected from the group consisting of lithium and sodium, and wherein Y is an inorganic radical selected from the group consisting of SCN, CN, CNS, OCN, B
4169808 Haloorganometallic lithium salt complex compositions and electrolyte compositions containing the October 2, 1979
Novel compositions are described which comprise halogenated organometallic lithium salt complexes having the formula LiMR.sub.n X.sub.i wherein M is a metal selected from the group consisting of Zn, Cd, B, Al, Ga, In, Tl, Sn (stannous), P and As, the Rs are specified haloorganic radicals
4139681 Electrochemical cells having alkali metal anodes and electrolyte salt complex compositions inclu February 13, 1979
Electrochemical cells having alkali metal anodes, e.g. lithium batteries, are described which contain electrolytically active alkali metal salt complexes including haloorganometallic alkali metal salt complexes having the formula ZMR.sub.n X.sub.i wherein Z is an alkali metal, M is a met










 
 
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