Linoleum-based planar structure and process for making same

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...

Reexamination Certificate

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C428S220000, C428S332000, C428S339000, C428S500000

Reexamination Certificate

active

09916385

ABSTRACT:
A linoleum-based planar structure, a process for the preparation of such a planar structure as well as the use of the planar structure, for example, as a floor covering is provided. The linoleum-based planar structure contains flakes, including organic polymeric material, over the whole cross section of the linoleum sheet. The flakes are compatible with the linoleum base composition and have a particle size in the range of 0.5 mm to 30 mm and a thickness in the range of 1.0 μm to 400 μm. Such a planar structure displays a smooth plain surface without the need of any grinding step. Moreover, the incorporation of such flakes enables a broad variety of designing and patterning, particularly the development of a distinctively, coarsely patterned “spotting structure.”

REFERENCES:
patent: 2321996 (1943-06-01), Cohen et al.
patent: 2962081 (1960-11-01), Dobry et al.
patent: 3325337 (1967-06-01), Harris

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