Kestutis A Keblys

US Patent:

39352285, Jan 27, 1976

Filed:

Oct 23, 1973

Appl. No.:

5/408635

Inventors:

Kestutis A. Keblys - Southfield MI

Assignee:

Ethyl Corporation - Richmond VA

International Classification:

C07D21316
C07D21506

US Classification:

260270J

Abstract:

A process for preparing cobalt complexes and their use as hydroesterification catalysts are disclosed.

US Patent:

42488508, Feb 3, 1981

Filed:

Feb 26, 1979

Appl. No.:

6/015067

Inventors:

Kestutis A. Keblys - Southfield MI

Assignee:

Ethyl Corporation - Richmond VA

International Classification:

C01F 1134
C01G 904

US Classification:

423491

Abstract:

Metal bromides, and particularly alkali and alkaline earth metal bromides, are prepared from a basic metal compound and bromine in the presence of added formaldehyde as a reducing agent.

US Patent:

40368092, Jul 19, 1977

Filed:

Oct 2, 1975

Appl. No.:

5/618890

Inventors:

Kestutis A. Keblys - Southfield MI

Assignee:

Ethyl Corporation - Richmond VA

International Classification:

C08K 553

US Classification:

260 457P

Abstract:

Compounds such as tetramethyl [(2,3,5-tetrabromo-p-phenylene)-dimethylene] diphosphonate are useful as flame retardants in polymers and resins such as unsaturated polyesters and polyester fibers, polystyrene, and the like.

US Patent:

43777139, Mar 22, 1983

Filed:

Jan 18, 1982

Appl. No.:

6/340321

Inventors:

Kestutis A. Keblys - Southfield MI

Assignee:

Ethyl Corporation - Richmond VA

International Classification:

C07C 4122

US Classification:

568639

Abstract:

Reaction of 3-phenoxytoluene with bromine at elevated temperature yields 3-phenoxybenzyl bromide, 3-phenoxybenzal bromide, or a mixture thereof. In contrast to teachings of the prior art, phosphorus halide catalysis or u. v. activation is not required to achieve a desirable amount of side-chain bromination with a minimum of nuclear halogenation. For example, it was observed that at 265. +-. 5. degree. C. , good yields of the desired benzyl and benzal bromide were obtained, but no nuclear halogenated by-product was detected by gas chromatography. The comparable chlorination is also effective.

US Patent:

41316452, Dec 26, 1978

Filed:

Nov 21, 1974

Appl. No.:

5/525870

Inventors:

Kestutis A. Keblys - Southfield MI
John M. McEven - Lake Orion MI

Assignee:

Ethyl Corporation - Richmond VA

International Classification:

C01B 714

US Classification:

423501

Abstract:

Iodine is recovered from an aqueous solution containing iodide such as underground brine by repeated cycles of (1) passing the brine through a basic anion exchange resin to adsorb iodide, and (2) oxidizing adsorbed iodide to iodine by passing an acidified aqueous iodate solution (e. g. , NaIO. sub. 3) through the resin. The cycle is repeated many times until the resin is iodine-loaded. Iodine is then eluted from the resin, for example, with aqueous NaOH and recovered from the eluate by conventional means.

US Patent:

39610330, Jun 1, 1976

Filed:

Mar 6, 1975

Appl. No.:

5/555801

Inventors:

Joseph P. Kleiman - Birmingham MI
Kestutis A. Keblys - Southfield MI

Assignee:

Ethyl Corporation - Richmond VA

International Classification:

C01B 700

US Classification:

423502

Abstract:

Bromine is produced by reacting chlorine and ethylene dibromide in the presence of an aluminum halide catalyst, e. g. aluminum chloride. A small amount of bromine present prior to chlorine addition shortens the induction period. Some decomposition of the organic product occurs if it is distilled in the presence of aluminum-containing residues. These residues can be removed by water wash which can be followed by drying with H. sub. 2 SO. sub. 4. After such treatment, ethylene dichloride can be recovered by distillation without substantial decomposition.

US Patent:

39679586, Jul 6, 1976

Filed:

Aug 27, 1973

Appl. No.:

5/391619

Inventors:

Thomas H. Coffield - Waterloo, BE
Kestutis A. Keblys - Southfield MI

Assignee:

Ethyl Corporation - Richmond VA

International Classification:

C22B 1510
C22B 2304

US Classification:

75103

Abstract:

The invention is a process for winning nickel by treating an aqueous ammonium salt solution of nickel salts with a carbon monoxide-containing gas under reducing conditions to produce nickel carbonyl and subsequently recovering nickel therefrom. Optionally, the production of nickel carbonyl can be catalyzed, for example, by cyanide. Also, an essentially water-immiscible solvent for nickel carbonyl can optionally be employed. The aqueous ammoniacal solution is typically an aqueous ammoniacal ammonium chloride, carbonate, sulfate, hydroxide, or mixture thereof. The valuable metals associated with nickel, e. g. , copper, cobalt, iron, and precious metals, are also separated and recovered by this process. The general nature of the process allows a wide variety of primary and secondary sources of nickel to be utilized by combining this process with a number of known ore-treatment steps.

US Patent:

43260896, Apr 20, 1982

Filed:

Sep 26, 1977

Appl. No.:

5/836428

Inventors:

Kestutis A. Keblys - Southfield MI

Assignee:

Ethyl Corporation - Richmond VA

International Classification:

C07C 4122

US Classification:

568639

Abstract:

Reaction of 3-phenoxytoluene with bromine at elevated temperature yields 3-phenoxybenzyl bromide, 3-phenoxybenzal bromide, or a mixture thereof. In contrast to teachings of the prior art, phosphorus halide catalysis or u. v. activation is not required to achieve a desirable amount of side-chain bromination with a minimum of nuclear halogenation. For example, it was observed that at 265. +-. 5. degree. C. , good yields of the desired benzyl and benzal bromide were obtained, but no nuclear halogenated by-product was detected by gas chromatography.