The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 11, 2000
Filed:
Oct. 13, 1998
Applicant:
Inventors:
Pierre Barthelemy, Pietrebais, BE;
Annie Leroy, Libramont, BE;
Assignee:
Solvay S.A., Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
25218216 ; 25218224 ; 25218227 ; 25218228 ; 25218229 ; 521114 ; 521116 ; 521117 ; 521130 ; 521131 ; 521170 ; 521171 ; 521172 ; 521174 ; 521902 ;
Abstract
Premixes intended for the preparation of polyurethane or polyisocyanurate foams comprising at least one polyol, at least one hydrofluoroalkane corresponding to the general formula CF.sub.3 --CR.sup.1 R.sup.2 --CF.sub.2 --R.sup.3, where R.sup.1 and R.sup.2 represent, independently, a hydrogen atom or an optionally fluorinated C.sub.1 -C.sub.3 alkyl group and where R.sup.3 represents a hydrogen atom or a methyl group, and at least one stabilizer chosen from nitroalkanee, diketones, alkaline-earth metal salts and brominated compounds.