Patent US4892726A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4892726A Expired / Lapsed US ⏱️ 0.0 years remaining

Makeup or cosmetic compositions

Assignee: Momentive Performance Materials Japan LLC
•
Filing: 1988-05-20
•
Granted: 1990-01-09
•
Expires: 2008-05-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract There are disclosed makeup or cosmetic compositions comprising polymethylsilsesquiozane powders.

Inventors

  • 👤 Kazuya Yonekura
  • 👤 Shoji Daikuzono

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:27
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/89; A61K8/895; A61K8/02; A61K8/0241; A61K8/025; A61K8/891; A61Q; A61Q1/00; A61Q1/02; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 39 words
A makeup or cosmetic composition comprising polymethylsilsesquioxane powders which has a mean particle diameter of 0.05 to 100 μm and where 80% or more of the polymethylsilsesquioxane particles are within the range of ±30% of the mean particle diameter.
Claim 2
Dependent Claim 39 words
A makeup or cosmetic composition comprising polymethylsilsesquioxane powders which has a mean particle diameter of 0.05 to 100 μm and where 80% or more of the polymethylsilsesquioxane particles are within the range of ±30% of the mean particle diameter.
Claim 3
Dependent Claim 15 words
A makeup or cosmetic composition as claimed in claim 1 wherein polymethylsilsesquioxane powders are spherical.
Claim 4
Dependent Claim 15 words
A makeup or cosmetic composition as claimed in claim 1 further comprising cosmetic binder oil.

References Cited (Backward Citations)

DE245815C Cited
GB1141994A Cited
JPS5798205A Cited
US4528390A Cited
JPS61100514A Cited
JPS61194009A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-01-08 1993-07-10 1994-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-01-08 1997-07-10 1998-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-01-08 2001-07-10 2002-01-09 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag