David M Sullivan

US Patent:

6414111, Jul 2, 2002

Filed:

Feb 14, 2001

Appl. No.:

09/782869

Inventors:

Derk T. A. Huibers - Pennington NJ
Andrew M. Robbins - Trenton NJ
David H. Sullivan - Morrisville PA

Assignee:

Arizona Chemical Company - Jacksonville FL

International Classification:

C09F 100

US Classification:

530205, 530207, 530208

Abstract:

A method is set forth for separating a sterol or sterol ester from crude tall oil comprising fractionating the crude tall oil into a residue fraction and a volatile fraction, wherein the temperature of the residue fraction does not exceed about 290Â C. , and wherein the residue fraction includes the sterol or sterol ester. By application of this method, which can be implemented in existing fractionating equipment or in specially designed pitch collecting apparatuses disclosed herein, the yield of sterols can exceed 50% with respect to the sterols present in crude tall oil. A method is also provided for separating unsaponifiable material from a tall oil stream comprising saponifying the stream with a mixture of sodium hydroxide and potassium hydroxide to form sodium and potassium salts of fatty acids, rosin acids, or both; evaporating the unsaponifiable material; and acidulating the unevaporated sodium and potassium salts.

US Patent:

6107456, Aug 22, 2000

Filed:

Sep 15, 1998

Appl. No.:

9/153728

Inventors:

Derk T. A. Huibers - Pennington NJ
Andrew M. Robbins - Trenton NJ
David H. Sullivan - Morrisville PA

Assignee:

Arizona Chemical Corporation - Jacksonville FL

International Classification:

C09F 700
C11D 1500

US Classification:

530205

Abstract:

A method is set forth for separating a sterol or sterol ester from crude tall oil comprising fractionating the crude tall oil into a residue fraction and a volatile fraction, wherein the temperature of the residue fraction does not exceed about 290. degree. C. , and wherein the residue fraction includes the sterol or sterol ester. By application of this method, which can be implemented in existing fractionating equipment or in specially designed pitch collecting apparatuses disclosed herein, the yield of sterols can exceed 50% with respect to the sterols present in crude tall oil. A method is also provided for separating unsaponifiable material from a tall oil stream comprising saponifying the stream with a mixture of sodium hydroxide and potassium hydroxide to form sodium and potassium salts of fatty acid, rosin acids, or both; evaporating the unsaponifiable material; and acidulating the unevaporated sodium and potassium salts.

US Patent:

20190250939, Aug 15, 2019

Filed:

Feb 13, 2019

Appl. No.:

16/274995

Inventors:

- New York NY, US
Kirk A. Frey - Flemington NJ, US
David J. Sullivan - Jersey City NJ, US

International Classification:

G06F 9/455
H04L 29/08

Abstract:

In one embodiment, a method for improved management of virtual machine clusters may include: determining a current utilization value for each of a plurality of virtual machines (VMs) in a cluster, the VMs associated with a plurality of applications; storing the current utilization values for each of the plurality of VMs in a utilization table; determining that a capacity threshold for the cluster has not been reached based on an aggregation of the current utilization values for the plurality of VMs; provisioning a new VM into the cluster; storing a default utilization value for the new VM in the utilization table; and re-determining the capacity threshold based on the aggregated stored current utilization values for the plurality of VMs and the stored default utilization value for the new VM until a maturity threshold for the new VM is reached.