Method for determining the hardness of fragrance containing poly

Details Method for determining the hardness of fragrance containing poly Method for determining the hardness of fragrance containing poly

Filed on

1993-11-10

Date issued

1995-07-25

Examiner

Nutter, Nathan M.

Patent Class

Synthetic resins or natural rubbers -- part of the class 520 ser

SubClass

Synthetic resins

SubSubClass

Cellular products or processes of preparing a cellular...

Other Related Categories

436106, 512 1, 512 4, C08G 1808, A61K 746

Type

Patent

Status

active

Patent number

054362768

Description

ABSTRACT:
A method is disclosed for controlling the hardness of a polyurethane foam by introducing an aroma chemical into the reaction mixture to form a polyurethane foam according to a desired hardness to be attained. The aroma chemical can be selected based on the empirical formula:

REFERENCES:
patent: 4842761 (1989-06-01), Rutherford
patent: 5238915 (1993-08-01), Fuwa et al.

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