Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1977-05-05
1980-03-25
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
528225, 528228, 525123, 528266, 528267, 528 48, 528289, 528377, 528 49, 528381, 528391, 528 51, 528422, 528423, 528 53, 525457, 525434, 528 55, 525471, 525398, 528 56, 525509, 525437, 528 57, 528 58, 528 73, 528 74, 528 78, 528 79, 528 80, 528 81, 528 82, 528 84, 528 85, 528125, 528126, 528172, 528179, 528180, 528181, 528182, 528190, 528191, 528210, 528211, 528223, 528224, 528128, C08G 7306
Patent
active
041951328
ABSTRACT:
The present invention relates to novel, substantially insoluble and infusible plastics which are cross-linked by way of triazine rings and, optionally, by way of tri-substituted bis-oxymethylene urea groups or urethane groups.
REFERENCES:
patent: 3595900 (1971-07-01), Loudas et al.
patent: 3694410 (1972-09-01), Oehmke
patent: 3738962 (1973-06-01), Loudas et al.
patent: 3978028 (1976-08-01), Sundermann et al.
Grigat Ernst
Rottloff Gunther
Sundermann Rudolf
Bayer Aktiengesellschaft
Gil Joseph C.
Harsh Gene
Lee Lester L.
Olson R. Brent
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