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Inventor: Yamamori; Satofumi
Address: Kawabe, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5225453 |
Polyol compositions for producing rigid polyurethane foams |
July 6, 1993 |
| A polyol composition for producing rigid polyurethane foams is disclosed which contains adducts of ethylene oxide or propylene oxide or both to resorcinol, catechol, cresorcinol or their homologues having two hydroxyls at the ortho or meta positions to each other, or adducts of ethylene |
| 5225101 |
Polyol compositions for producing rigid polyurethane foams |
July 6, 1993 |
| A polyol composition for producing rigid polyurethane foams which comprises:(a) a first polyol having the general formula of ##STR1## wherein R independently represents an ethylene group or a propylene group, m and n are integers of not less than 1, respectively, and m+n are in |
| 5026739 |
Methods of producing rigid polyurethane foams for interior or exterior use for automobiles |
June 25, 1991 |
| A method of producing interior and exterior structural members of automobiles composed of rigid polyurethane foam, which comprises foaming a composition comprising:(a) polyisocyanates selected from the group consisting of diphenylmethane diisocyanate, polyphenylenepolymethylene polyisocy |
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