Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-07-21
1994-11-08
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524312, 206584, 206814, 1061631, 106171, 428 356, 523124, C08L 100, C08K 512, B65D 8102, B65D 8530
Patent
active
053627768
ABSTRACT:
A packaging material composed of cellulosic fiber, a softener, water, and, optionally, a water soluble binder. The biodegradable packaging material is prepared by a process of admixing cellulosic fiber, a softener, water and, optionally, a water soluble binder to form a slurry, and admixing a blowing agent with the slurry to form a pulp. The pulp is formed into a shaped material and dried.
REFERENCES:
patent: 4863655 (1989-09-01), Lacourse et al.
patent: 4997091 (1991-03-01), McCrea
patent: 5151312 (1992-09-01), Boeri
Barenberg Sumner A.
Bradley C. Bruce
Conway, Jr. Samuel C.
Vargas Gladys R.
DeWitt LaVonda R.
Michl Paul R.
Packaging Corporation of America
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