Method of making polyurethane foam

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8784518
APP PUB NO 20120180400A1
SERIAL NO

13347994

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Herein are disclosed an apparatus and method for reaction injection molding of polyurethane foam. In the method, a recirculation loop containing polyols along with an effective amount of water, and a recirculation loop containing isocyanates, are each partially evacuated.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANY2111 MCGAW AVENUE IRVINE CA 92614

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Benson-Sargent, Elizabeth Anna St. Paul Park, US 1 4
Dow, David R West Lakeland, US 10 86
Dunham, Grady A Waterville, US 2 5
Earl, Douglas E Saint Paul, US 3 13
Lenzendorf, Jeffrey P Eastman, US 2 5

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 Jan 22, 2026
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