Patent US2572046A successfully refreshed from Google Patents.
US2572046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for recovering parthenyl cinnamate and essential oils from guayule resin
Assignee: Individual
•
Filing: 1949-11-15
•
Granted: 1951-10-23
•
Expires: 1969-11-15
Abstract
No abstract record available.
Inventors
- 👤 James W Meeks
- 👤 Jr Thomas F Banigan
- 👤 Ralph W Planck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:23
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/02; Y; Y10; Y10S; Y10S528/00; Y10S528/93; Y10S528/931; Y10S528/933; Y10S585/00; Y10S585/929; Y10S585/947
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A PROCESS FOR ISOLATING PARTHENYL CINNAMATE FROM GUAYULE RESIN CONTAINING IT WHICH COMPRISES MIXING A WATER-MISCIBLE, ORGANIC SOLVENT SOLUTION OF THE GAUYULE RESIN WITH A HYDROCARBON IN WHICH THE PARTHENYL CINNAMATE IS MORE SOLUBLE THAN IN THE WATER-MISCIBLE ORGANIC SOLVENT, AND SEPARATING THE HYDROCARBON CONTAINING THE PARTHENYL CINNAMATE FROM THE MIXTURE.
Claim 2
Dependent Claim
51 words
A PROCESS FOR ISOLATING PARTHENYL CINNAMATE FROM GUAYULE RESIN CONTAINING IT WHICH COMPRISES MIXING A WATER-MISCIBLE, ORGANIC SOLVENT SOLUTION OF THE GAUYULE RESIN WITH A HYDROCARBON IN WHICH THE PARTHENYL CINNAMATE IS MORE SOLUBLE THAN IN THE WATER-MISCIBLE ORGANIC SOLVENT, AND SEPARATING THE HYDROCARBON CONTAINING THE PARTHENYL CINNAMATE FROM THE MIXTURE.
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) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |