Indicator for the sanding of joint compounds and spackles
AssigneeUnited States Gypsum Company
InventorsAlexander J. Donovan, Joseph W. Schlude, Tyler Kincaid
Life of this patent
Estimating the term…
Abstract
Joint compounds and spackling compounds which comprise a sanding indicator, the compounds displaying a first color at the surface upon drying/hardening. Methods for finishing a substrate or patching a substrate, the methods comprise applying the joint compound which comprises the sanding indicator and/or the spackling compound which comprises the sanding indicator and sanding the dried/hardened compound until the first color is removed. Accessory products which comprise at least one sanding indicator and methods for making joint compounds and spackling compounds comprising the sanding indicator.
Claims10
A joint compound or a spackling compound comprising:
- one or more fillers, one or more binders and a sanding indicator comprising murexide, cresol red, m-cresol purple, bromoxylenol, thymol blue, or any combination thereof, and wherein the joint compound or spackling compound displays a first color at the air/joint compound surface after the joint compound or the spackling compound has dried or hardened, wherein the first color is distinguishable from a second color of the joint compound beneath the air/joint compound surface.
Dependencies are inferred from the claim text.