Catalyst for non-isocyanate based polyurethane

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9260564
APP PUB NO 20150247004A1
SERIAL NO

14635075

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A cooperative catalyst system includes a Lewis acid and a Lewis base for the formation of non-isocyanate based polyurethane using a cyclic carbonate and an amine. A method of forming non-isocyanate based polyurethane includes providing a cyclic carbonate, an amine, and a cooperative catalyst system that has a Lewis acid and a Lewis base.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NORTHWESTERN UNIVERSITY633 CLARK STREET EVANSTON IL 60208

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dhulst, Elizabeth Chicago, US 1 19
Heath, William H Lake Jackson, US 36 67
Leitsch, Emily Evanston, US 1 19
Lombardo, Vincent Wilmette, US 1 19
Scheidt, Karl Evanston, US 3 27
Torkelson, John Skokie, US 5 170
Wilmot, Nathan Missouri City, US 32 120

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 16, 2027
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00