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US 6,676,746 B2Granted
Low dust wall repair compound
Assignee3M Innovative Properties Company
InventorNathaniel P. Langford
Life of this patent
Estimating the term…
Abstract
The quantity of dust generated by a sandable wall repair compound is reduced by adding a dust reducing additive to the compound. Dust reducing additives include oil, wax, and mixtures thereof. Dust reducing additives containing oil may include rheological and polar additives to minimize the bleeding of the oil into substrates to which the wall repair compound is applied.
Claims15
A drywall joint compound composition comprising:
- (a) filler material;
- (b) binder material;
- (c) a dust reducing additive comprising oil;
- and
- (d) an effective quantity of a rheological additive to prevent the oil in the dust reducing additive from bleeding into surfaces to which the joint compound is applied.
2 more elements
Dependencies are inferred from the claim text.