POLYUREA PREPOLYMERS MADE FROM PRIMARY AND SECONDARY DIAMINES
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 15, 2016
app pub date -
Mar 14, 2016
filing date -
Mar 14, 2016
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
Novel polyurea prepolymer and quasi-prepolymers are contemplated, the compositions being the reaction products of various isocyanate components with various polyamine components. Isocyanate components contemplated include uretonimine-modified 4,4′ methylene diphenyl diisocyanate (MDI) 4,4′ MDI, 2,4′ MDI, aliphatic hexamethylene diisocyanate (HDI) trimer, HDI allophanate, and aliphatic HDI biuret. Polyamine components contemplated include primary amine-terminated poly(oxypropylene), secondary isopropylamine-terminated poly(oxypropylene), tetraethyl N,N′-(methylenebis(2-methyl-4,1-cyclohexanediyl)) bisaspartate, and poly[(3-aminopropyl)methylsiloxane-co-diphenylsiloxane].
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully