Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1976-03-22
1980-06-17
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
264162, 264255, 264343, 351160H, 351177, B29D 1100
Patent
active
042083621
ABSTRACT:
A shaped body is manufactured from at least two polymerized materials with one polymerized material being swellable relative to the other polymerized material. The shaped body is formed having sections of the first material, the second material and a substantially random copolymer of the first and second materials as a transition section between the first and second sections.
REFERENCES:
patent: 3489491 (1970-01-01), Creighton
patent: 3804366 (1974-04-01), Rubright
patent: 3925178 (1975-12-01), Gisser
patent: 3961379 (1976-06-01), Highgate
Deichert William G.
Falcetta Joseph J.
Su Kai C.
Bausch & Lomb Incorporated
Lowe James B.
Lyons Ronald L.
Parker Frank C.
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