Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1975-06-26
1977-08-02
Lesmes, George F.
Stock material or miscellaneous articles
Composite
Of polyamidoester
260 75NH, 428425, B32B 2740
Patent
active
040397190
ABSTRACT:
An inexpensive laminated safety glass excelling in resistance to penetration as well as in its low temperature properties, which is hardly discolored with the passage of time, which comprises a laminated assembly of at least two sheets of glass between which is interposed a layer of a polyurethane elastomer, said sheets and said layer being firmly bonded together, said layer of polyurethane elastomer being obtained by curing, in the presence of curing agent, a polyurethane prepolymer having --NCO group at its both ends produced by reacting a diisocyanate with a polyester having --OH group at its both ends which has been obtained by reacting the dicarboxylic acids and their acid anhydrides with at least one kind of glycol, and the process for producing the same.
REFERENCES:
patent: 2333639 (1943-11-01), Christ et al.
patent: 2729618 (1956-01-01), Muller et al.
patent: 2871218 (1959-01-01), Schollenberger
patent: 3226354 (1965-12-01), Heiss
patent: 3388032 (1968-06-01), Saunders
patent: 3620905 (1971-11-01), Ahramjian
patent: 3791914 (1974-02-01), Ammons et al.
Matsuda Tadashi
Yanagisawa Kunia
Lesmes George F.
Levin Mark
PPG Industries Inc.
Roche R. J.
Stein Irwin M.
LandOfFree
Laminated safety glass does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Laminated safety glass, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laminated safety glass will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2299794