Douglas Kip Hillshafer

6569352, May 27, 2003

Oct 25, 1999

09/427050

Douglas K. Hillshafer - Western Springs IL
George Magnus - Arlington Heights IL

Stepan Company - Northfield IL

C07C 6980

25218227, 25218228, 560 25, 560 26, 560 76, 560 79, 560 89, 560 91, 560 96, 560115, 560158, 560330, 560336, 560355, 560358, 560359, 560360, 521159, 521172, 521173, 521174, 521176, 521177, 528 59, 528 79, 528 80, 568607

Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such polyester-ether polyols are disclosed, along with methods for producing urethane prepolymers. The polyester-ether polyols of the instant invention are preferably the reaction product of phthalic anhydride, diethylene glycol, and propylene oxide. These polyester-ether polyols are useful as either the primary polyol in urethane compositions or in combination with conventional auxiliary polyester- and/or polyether-based polyols. The polyester-ether polyols impart greatly improved solubility and compatibility to mixtures of either polyether and/or polyester polyols. The polyester-ether polyols of the instant invention are desirably of lower viscosity than their precursor intermediate polyester polyols and are generally soluble in either polyester- and/or polyether-based polyols. Additionally, the polyester-ether polyols generally provide improved hydrolytic stability to CASE materials in which they are utilized.

20040259967, Dec 23, 2004

Apr 23, 2004

10/831653

Paul Neill - Grayslake IL, US
Ronald Herrington - Brazoria TX, US
James Stogis - Joliet IL, US
Rick Tabor - Glenview IL, US
Warren Kaplan - Grayslake IL, US
Douglas Hillshafer - Western Springs IL, US
James Hoesly - Buffalo Grove IL, US

C08K003/00
C08J009/00
C08G018/00

521/099000, 521/170000

The present invention provides a ring-containing component polyol and process for making the same for use as a load-bearing capacity improvement agent in flexible polyurethane foam manufacture. The ring-containing component polyol eliminates and/or reduces the need for a copolymer polyol containing suspended solids in the manufacture of flexible foam products. This may reduce production costs, reactivity variations, filter plugging, color variations, foam shrinkage/tightness, foam irregularity, and foam malodor while maintaining an adequate load-bearing capacity. The present polyol blends can be non-opaque or transparent.

20050085658, Apr 21, 2005

Nov 30, 2004

11/000675

Eric Geiger - Fox Lake IL, US
Douglas Hillshafer - Western Springs IL, US

C08G018/00

560076000, 528044000

Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such polyester-ether polyols using double metal cyanide catalysts are disclosed, along with methods for producing urethane prepolymers. The polyester-ether polyols of the instant invention are preferably the reaction product of phthalic anhydride, diethylene glycol, and propylene oxide. These polyester-ether polyols are useful as either the primary polyol in urethane compositions or in combination with conventional auxiliary polyester- and/or polyether-based polyols. The polyester-ether polyols impart greatly improved solubility and compatibility to mixtures of either polyether and/or polyester polyols. The polyester-ether polyols of the instant invention are desirably of lower viscosity than their precursor intermediate polyester polyols and are generally soluble in either polyester- and/or polyether-based polyols. Additionally, the polyester-ether polyols generally provide improved hydrolytic stability to CASE materials in which they are utilized.

20060135637, Jun 22, 2006

Nov 22, 2005

11/286575

Douglas Hillshafer - Western Springs IL, US
Warren Kaplan - Grayslake IL, US
Eric Geiger - Brookings SD, US

C08G 18/00

521172000

Disclosed are polyester-ether polyols and their use in foams, in particular rigid or flexible foams. Methods for producing such polyester-ether polyols using potassium hydroxide or double metal cyanide catalysts are disclosed, along with methods for producing urethane prepolymers. The polyester-ether polyols of the instant invention are preferably the reaction product of phthalic anhydride, diethylene glycol, and propylene oxide. These polyester-ether polyols are useful as either the primary polyol in urethane compositions or in combination with conventional auxiliary polyester- and/or polyether-based polyols. The polyester-ether polyols impart greatly improved solubility and compatibility to mixtures of either polyether and/or polyester polyols. The polyester-ether polyols of the instant invention are desirably of lower viscosity than their precursor intermediate polyester polyols and are generally soluble in either polyester- and/or polyether-based polyols.

20060169948, Aug 3, 2006

Mar 27, 2006

11/390505

Paul Neill - Grayslake IL, US
Ronald Herrington - Brazoria TX, US
James Stogis - Joliet IL, US
Rick Tabor - Glenview IL, US
Warren Kaplan - Grayslake IL, US
Douglas Hillshafer - Western Springs IL, US
James Hoesly - Buffalo Grove IL, US

C08G 18/00
C09K 3/00

252182240, 521170000, 521172000

The present invention provides a ring-containing component polyol and process for making the same for use as a load-bearing capacity improvement agent in flexible polyurethane foam manufacture. The ring-containing component polyol eliminates and/or reduces the need for a copolymer polyol containing suspended solids in the manufacture of flexible foam products. This may reduce production costs, reactivity variations, filter plugging, color variations, foam shrinkage/tightness, foam irregularity, and foam malodor while maintaining an adequate load-bearing capacity. The present polyol blends can be non-opaque or transparent.

20080108719, May 8, 2008

Oct 22, 2007

11/876431

Eric Geiger - Brookings SD, US
Douglas Hillshafer - Western Springs IL, US

C08G 18/00

521172000, 528085000

Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such polyester-ether polyols using double metal cyanide catalysts are disclosed, along with methods for producing urethane prepolymers. The polyester-ether polyols of the instant invention are preferably the reaction product of phthalic anhydride, diethylene glycol, and propylene oxide. These polyester-ether polyols are useful as either the primary polyol in urethane compositions or in combination with conventional auxiliary polyester- and/or polyether-based polyols. The polyester-ether polyols impart greatly improved solubility and compatibility to mixtures of either polyether and/or polyester polyols. The polyester-ether polyols of the instant invention are desirably of lower viscosity than their precursor intermediate polyester polyols and are generally soluble in either polyester- and/or polyether-based polyols. Additionally, the polyester-ether polyols generally provide improved hydrolytic stability to CASE materials in which they are utilized.

20080269367, Oct 30, 2008

Oct 17, 2006

12/089339

Paul L. Neill - Grayslake IL, US
Warren A. Kaplan - Graylake IL, US
Douglas Kip Hillshafer - Western Springs IL, US

C08G 18/40
C07C 265/00
C08G 18/10

521137, 25218311

The present technology provides at least one prepolymer comprising a polyisocyanate and a ring-containing isocyanate reactive component as a load-bearing capacity improvement agent in flexible polyurethane foam manufacture. The ring-containing component eliminates and/or reduces the need for a copolymer polyol containing suspended solids in the manufacture of flexible foam products. This can reduce production costs, reactivity variations, filter plugging, color variations, foam shrinkage/tightness, foam irregularity, and foam malodor while maintaining an adequate load-bearing capacity.

20140018458, Jan 16, 2014

Mar 7, 2012

14/004887

Douglas Hillshafer - Western Springs IL, US
Andrew Guo - Wilmette IL, US

STEPAN COMPANY - Northfield IL

C07C 67/08
C09D 175/06
C08G 18/34
C09J 175/06

521172, 560 89, 528 83, 524589

A method for producing a polyester polyol is disclosed. The method comprises reacting phthalic anhydride with a diol selected from the group consisting of ethylene glycol, propylene glycol, 1,3-propanediol, 2-meth-1,3-propanediol, neopentyl glycol, 1,6-hexanediol, polyethylene glycols having a number average molecular weight within the range of 200 g/mol to 600 g/mol, and mixtures thereof at a diol to phthalic anhydride molar ratio within the range of 1.1 to 1.6. The resulting o-phthalate polyester polyol has a hydroxyl value in the range of 18 to 400 mg KOH/g, an acid value in the range of 0.2 to 5.0 mg KOH/g, and 1 wt. % or less of cyclic esters.