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Ground rice hulls in body powders

Assignee: Colgate Palmolive Co
•
Filing: 1981-11-16
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Granted: 1983-10-04
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Expires: 2001-11-16
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Abstract

Abstract Novel high absorption body powder compositions comprising rice hulls ground to a particle fineness such that the material passes through a 200 mesh sieve, and preferably passes through a 325 mesh sieve, as the basic and main powder constituent.

Inventors

  • 👤 Edward Eigen
  • 👤 Dina I. Brachman
  • 👤 Stuart D. Friedman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 22:28
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/96; A61K8/97; A61K8/9783; A61K8/9794; A61Q; A61Q1/00; A61Q1/12; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 51 words
A highly absorbent body powder composition consisting essentially of finely ground rice hulls which pass through a 200 mesh sieve as the base powder, in amounts up to 98% by weight of the composition and from 1 up to 15% by weight of the total composition of a suitable binding agent.
Claim 2
Dependent Claim 51 words
A highly absorbent body powder composition consisting essentially of finely ground rice hulls which pass through a 200 mesh sieve as the base powder, in amounts up to 98% by weight of the composition and from 1 up to 15% by weight of the total composition of a suitable binding agent.
Claim 3
Dependent Claim 20 words
A body powder composition according to claim 1, wherein the ground rice hull particles pass through a 325 mesh sieve.
Claim 4
Dependent Claim 22 words
A body powder composition according to claim 1, containing talc in an amount less than 50% of the ground rice hull content.
Claim 5
Dependent Claim 31 words
A body powder composition according to claim 1, wherein the ground rice hulls is the sole base powder in an amount of about 50% to 98% by weight of the composition.
Claim 6
Dependent Claim 26 words
A body powder according to claim 1, wherein the binding agent is a metallic stearate and is present in an amount from about 1-15% by weight.
Claim 7
Dependent Claim 23 words
A body powder according to claim 5, wherein the binding agent is selected from the group consisting of zinc, magnesium and aluminum stearate.
Claim 8
Dependent Claim 19 words
A body powder according to claim 6, containing about 0.1-15% by weight of a perfume and a perfume carrier.
Claim 9
Dependent Claim 14 words
A body powder according to claim 7, wherein the perfume carrier is magnesium carbonate.
Claim 10
Dependent Claim 16 words
A body powder according to claim 8, which is in the form of a dusting powder.
Claim 11
Dependent Claim 17 words
A body powder according to claim 5, which is in the form of a loose face powder.
Claim 12
Dependent Claim 17 words
A body powder according to claim 5, which is in the form of a pressed face powder.

References Cited (Backward Citations)

US415351A Cited
US1995663A Cited
US2016289A Cited
US1968475A Cited
GB1141994A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-10-03 1987-04-04 1987-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-10-03 1991-04-04 1991-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-10-03 1995-04-04 1995-10-04 $7700.00 Window Closed / Lapsed

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