Title: Capsular products

Abstract: Microscopic capsules comprising a nucleus surrounded by a film-forming polymeric layer having a substantially continuous light-reflecting metallic coating thereover.

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Inventors: McCune, Jr., William J. (South Lincoln, MA, US)

Application Number: 836333
Filing Date: 1969-06-25
Publication_date: 1979-01-30
Assignee: Polaroid Corporation (Cambridge, MA)
Primary Class(es): 428/402.22 8/526, 264/4.1, 427/213.31, 427/214, 427/251, 428/402.2, 430/138, 430/220, 430/559
Other Classes:
US Patent Ref:

2544268	Mar, 1951	Land	96/29.
2874299	Feb, 1959	Barkas	250/65.
3468662	Sep, 1969	McCun, Jr.	96/77.

Other Refs:
Primary Examiner: Lovering, Richard D.
Assistant Examiner:
Attorney: Mervis; Stanley H., Rothstein; Sheldon W., Ford; Robert M.