DAVID P STEWART
Architects in Manchester, NH

License number
Massachusetts 8076
Issued Date
Nov 7, 1989
Expiration Date
Aug 31, 1997
Type
Architect
Address
Address
Manchester, NH 03101

Professional information

David Stewart Photo 1

High Impact Polyamides

US Patent:
4299744, Nov 10, 1981
Filed:
Jun 6, 1980
Appl. No.:
6/157000
Inventors:
David E. Stewart - Bedford NH
Assignee:
American Hoechst Corporation - Somerville NJ
International Classification:
C08L 7700, C08L 7708
US Classification:
260 23AR
Abstract:
A high impact polyamide composition is disclosed which comprises at least 50% of a polyamide resin having a relative viscosity of at least 4. 0, 5 to 30% of an olefin-acid copolymer, ionomers thereof, or mixtures of these, and 5 to 30% of a stabilizing polyamide resin which contains at least one long chain amide-forming monomer component.