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:
Nov. 23, 1999
Filed:
Mar. 31, 1998
Applicant:
Inventor:
Guy Leon Biesmans, Everberg, BE;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08G / ; C08G / ; C08L / ;
U.S. Cl.
CPC ...
521 64 ; 521 61 ; 521 62 ; 521 63 ; 521 82 ; 521 93 ; 521 94 ; 521 97 ; 521125 ; 521128 ; 521130 ; 521136 ; 521137 ; 521155 ; 521158 ; 521170 ; 521902 ;
Abstract
Process for making polyisocyanate based aerogels by trimerisation of an organic polyisocyanate in an organic solvent in the presence of a (co)polymer containing an isocyanate-reactive group, gellation and supercritically drying of the obtained sol-gel.