Patent US4005147A successfully refreshed from Google Patents.
Patent US2970294A successfully refreshed from Google Patents.
Patent US3948814A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3948814A Expired / Lapsed US ⏱️ 0.0 years remaining

Acetaldehyde ethyl linalyl acetal perfume compositions

Assignee: Naarden International NV
•
Filing: 1972-08-10
•
Granted: 1976-04-06
•
Expires: 1992-08-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Odorous acetaldehyde ethyl linalyl acetal, perfume compositions, materials or products comprising conventional constituents such as solvents, diluents and adjuvants and containing as an essential ingredient acetaldehyde ethyl linalyl acetal. Also the method of preparing perfume compositions by adding the acetal thereto and the method of preparing the acetal by reacting a solution of sulfuric acid in linalool to vinylethyl ether, adding soda thereto, separating and fractionating an organic layer with soda.

Inventors

  • 👤 David de Rijke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:43
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0007; C11B9/0015

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 26 words
A perfume composition comprising a mixture of perfumery materials including acetaldehyde ethyl linalyl acetal in an amount sufficient to give a flowerlike undertone to said composition.
Claim 2
Dependent Claim 26 words
A perfume composition comprising a mixture of perfumery materials including acetaldehyde ethyl linalyl acetal in an amount sufficient to give a flowerlike undertone to said composition.
Claim 3
Dependent Claim 17 words
The perfume composition of claim 1 containing from 10-15 percent by weight of acetaldehyde ethyl linalyl acetal.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-04-06 1979-10-06 1980-04-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-04-06 1983-10-06 1984-04-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-04-06 1987-10-06 1988-04-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag