← Back to Patent Explorer
US3351603A Expired / Lapsed US ⏱️ 0.0 years remaining

Acrylate colorless transparent photoactivatable cementing compositions

Assignee: Wyeth Holdings LLC
•
Filing: 1965-02-19
•
Granted: 1967-11-07
•
Expires: 1985-02-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Chen Catherine Shuihua Hsia
  • 👤 Gray Florence Martha

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:11
CPC Classifications
C; C08; C08F; C08F265/00; C08F265/04; C08F265/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 31 words
A QUICK-SETTING PHOTOACTIVATABLE CEMENTING COMPOSITION FOR COLORLESS TRANSPARENT AND HYDROPHOBIC ORGANIC SHEET MATERIAL, CONSISTING ESSENTIALLY OF MONOMERIC METHYL METHACRYLATE HAVING A CONTENT OF (A) AN OIL-SOLUBLE DYE OF THE THEORETICAL FORMULA
Claim 2
Dependent Claim 31 words
A QUICK-SETTING PHOTOACTIVATABLE CEMENTING COMPOSITION FOR COLORLESS TRANSPARENT AND HYDROPHOBIC ORGANIC SHEET MATERIAL, CONSISTING ESSENTIALLY OF MONOMERIC METHYL METHACRYLATE HAVING A CONTENT OF (A) AN OIL-SOLUBLE DYE OF THE THEORETICAL FORMULA

References Cited (Backward Citations)

US2413973A Cited
US2744886A Cited
US2948706A Cited
US2947716A Cited
US2986507A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-06 1971-05-08 1971-11-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-06 1975-05-08 1975-11-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-06 1979-05-08 1979-11-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag