Process for preparing isocyanates containing alkoxysilane groups

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10611782
APP PUB NO 20190300551A1
SERIAL NO

16356026

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention relates to a process for preparing isocyanate containing alkoxysilane groups, in which, in the sequence of steps A) to D),

    A) haloalkylalkoxysilane is reacted with metal cyanate and alcohol to give alkoxysilanoalkylurethane,B) alkoxysilanoalkylurethane is freed of low boilers, solids, salt burdens and/or high boilers and optionally purified,C) alkoxysilanoalkylurethane obtained after B) is thermally cleaved to release isocyanate containing alkoxysilane groups and by-product, leaving bottoms material, andD) isocyanate containing alkoxysilane groups and by-product are separated from one another and from cleavage bottoms material and collected,wherein the process regime at least of steps C) to D) is continuous.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
EVONIK OPERATIONS GMBHRELLINGHAUSER STRASSE 1-11 ESSEN 45128

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoppe, Dirk Nottuln, DE 24 285
Kohlstruk, Stephan Gladbeck, DE 59 522
Kreczinski, Manfred Herne, DE 24 96
Spyrou, Emmanouil Schermbeck, DE 115 994

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 7, 2027
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 7, 2031
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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