Preservation of Douglas fir needles

Details Preservation of Douglas fir needles Preservation of Douglas fir needles

1980-01-14

1981-02-03

Silverberg, Sam

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

71 68, 427 4, 47DIG2, 428 13, 428 22, A01H 100

Patent

active

042487340

ABSTRACT:
A solution and process for preserving Douglas Fir needles while preventing shedding thereof from the branch to which they are naturally attached, producing a natural looking product suitable for display purposes. The branches, with attached needles, are immersed in a solution comprising (in amounts per liter of solution):

REFERENCES:
patent: 2567929 (1951-09-01), Fessenden

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