Patent US3278623A successfully refreshed from Google Patents.
US3278623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha pinene isomerization process and product
Assignee: Akzo Nobel Paints LLC
•
Filing: 1964-02-19
•
Granted: 1966-10-11
•
Expires: 1984-02-19
Abstract
No abstract record available.
Inventors
- 👤 Derfer John Mentzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:51
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/39; C07C13/42; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2512; C07C5/2525; C07C5/2543; C07C5/255; C07C5/2556; C07C5/2562; C07C7/00; C07C7/148; C07C7/14833; C07C7/1485; C07C2602/00; C07C2602/36; C07C2602/42; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/947
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
108 words
A PROCESS FOR THE SUBSTANTIALLY NON-DESTRUCTIVE ISOMERIZATION OF $-PINENE TO $-PINENE IN A VOLUME OF $-PINENE, SUPPLY HAVING INITIAL CONCENTRATION C1 OF $-PINENE, C1 BEING FROM 0 TO ABOUT FIVE PERCENT BY WEIGHT, SAID PROCESS COMPRISING: ESTABLISHING CONTACT BETWEEN SAID PINENE SUPPLY AND A TRANSITORY HYDROGEN ACCEPTOR CATALYST SELECTED FROM THE GROUP CONSISTING OF AN ELEMENTAL GROUP VIII METAL HAVING AN ATOMIC NUMBER BETWEEN 28 AND 78, INCLUSIVE, PALLLADIUM CHLORIDE, AND PLATINUM OXIDE, UNDER NEUTRAL TO BASIC CONDITIONS IN A REACTION ZONE MAINTAINED BETWEEN ABOUT ROOM TEMPERATURE AND ABOUT 300*C., AND WITHDRAWING FROM SAID REACTION ZONE AN ISOMERIZATE HAVING CONCENTRACTION, C2 OF $-PINENE, C2 BEING GREATER THAN C1.
Claim 2
Dependent Claim
108 words
A PROCESS FOR THE SUBSTANTIALLY NON-DESTRUCTIVE ISOMERIZATION OF $-PINENE TO $-PINENE IN A VOLUME OF $-PINENE, SUPPLY HAVING INITIAL CONCENTRATION C1 OF $-PINENE, C1 BEING FROM 0 TO ABOUT FIVE PERCENT BY WEIGHT, SAID PROCESS COMPRISING: ESTABLISHING CONTACT BETWEEN SAID PINENE SUPPLY AND A TRANSITORY HYDROGEN ACCEPTOR CATALYST SELECTED FROM THE GROUP CONSISTING OF AN ELEMENTAL GROUP VIII METAL HAVING AN ATOMIC NUMBER BETWEEN 28 AND 78, INCLUSIVE, PALLLADIUM CHLORIDE, AND PLATINUM OXIDE, UNDER NEUTRAL TO BASIC CONDITIONS IN A REACTION ZONE MAINTAINED BETWEEN ABOUT ROOM TEMPERATURE AND ABOUT 300*C., AND WITHDRAWING FROM SAID REACTION ZONE AN ISOMERIZATE HAVING CONCENTRACTION, C2 OF $-PINENE, C2 BEING GREATER THAN C1.
Claim 3
Dependent Claim
95 words
A PROCESS FOR THE SUBSTANTIALLY NON-DESTRUCTIVE ISOMERIZATION OF $-PINENE TO $-PINENE IN A VOLUME OF $-PINENE SUPPLY HAVING INITIAL CONCENTRATION C1 OF $PINENE, C1 BEING FROM 0 TO ABOUT FIVE PERCENT BY WEIGHT, SAID PROCESS COMPRISING: ESTABLISHING CONTACT BETWEEN SAID PINENE SUPPLY AND A TRANSITORY HYDROGEN ACCEPTOR CATALYST SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND THEIR C3-6 ALKOXIDES, UNDER NEUTRAL TO BASIC CONDITIONS IN A REACTION ZONE MAINTAINED BETWEEN ABOUT ROOM TEMPERATURE AND ABOUT 300*C., AND WITHDRAWING FROM SAID REACTION ZONE AN ISOMERIZATE HAVING CONCENTRATION C2 OF $-PINENE, C2 BEING GREATER THAN C1.
Claim 4
Dependent Claim
95 words
A PROCESS FOR THE SUBSTANTIALLY NON-DESTRUCTIVE ISOMERIZATION OF $-PINENE TO $-PINENE IN A VOLUME OF $-PINENE SUPPLY HAVING INITIAL CONCENTRATION C1 OF $PINENE, C1 BEING FROM 0 TO ABOUT FIVE PERCENT BY WEIGHT, SAID PROCESS COMPRISING: ESTABLISHING CONTACT BETWEEN SAID PINENE SUPPLY AND A TRANSITORY HYDROGEN ACCEPTOR CATALYST SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND THEIR C3-6 ALKOXIDES, UNDER NEUTRAL TO BASIC CONDITIONS IN A REACTION ZONE MAINTAINED BETWEEN ABOUT ROOM TEMPERATURE AND ABOUT 300*C., AND WITHDRAWING FROM SAID REACTION ZONE AN ISOMERIZATE HAVING CONCENTRATION C2 OF $-PINENE, C2 BEING GREATER THAN C1.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |