Patent US3014790A successfully refreshed from Google Patents.
US3014790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous preparation of chemical products
Assignee: Alfa Laval Holdings Amsterdam AB
•
Filing: 1959-01-02
•
Granted: 1961-12-26
•
Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Palmqvist Fredrik Teod Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:25
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/41; C07C51/412; B; B01; B01J; B01J14/00; B01J19/00; B01J19/0006; B01J19/0013; B01J19/24; B01J19/2415; B01J19/2435; B01J19/245; C07C303/00; C07C303/02; C07C303/04; C07C303/06; C11; C11D; C11D13/00; C11D13/02; C11D13/04; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00103; B01J2219/00121; B01J2219/00123; B01J2219/00126; B01J2219/00164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
APPARATUS FOR PREPARING CHEMICAL PRODUCTS, WHICH COMPRISES A FIRST CIRCULATING PUMP, A PAIR OF REACTION VESSELS, PIPING CONNECTING THE PUMP AND THE VESSELS IN SERIES IN A FIRST CLOSED CIRCUIT, ADDITIONAL PIPING LEADING FROM A POINT OF SAID CIRCUIT AND RETURNING TO SAID CIRCUIT AT A POINT THEREOF SPACED FROM THE FIRST MENTIONED POINT, THE FIRST CIRCUIT INCLUDING ONLY A PORTION THEREOF LOCATED BETWEEN SAID POINTS AND FORMING WITH SAID ADDITIONAL PIPING A SECOND CLOSED CIRCUIT, WHEREBY SAID PORTION IS COMMON TO BOTH CIRCUITS, SAID COMMON PORTION BEING LOCATED BETWEEN THE TWO REACTION VESSELS, EACH CIRCUIT HAVING A SEPARATE INLET SPACED FROM SAID COMMONG PORTION, MEANS FOR POSITIVELY FEEDING A FIRST COMPONENT INTO THE FIRST CIRCUIT THROUGH THE INLET THEREOF, MEANS FOR POSITIVELY FEEDING A SECOND COMPONENT INTO THE SECOND CIRCUIT THROUGH THE INLET THEREOF, A PRODUCT DISCHARGE PIPE LEADING FROM THE FIRST CIRCUIT AT A POINT SPACED FROM SAID COMMON PORTION, AND A SECOND CIRCULATING PUMP IN SAID COMMON PORTION OF THE TWO CIRCUITS, WHEREBY THE SECOND PUMP IS OPERABLE TO INDUCE CIRCULATION IN THE SECOND CIRCUIT AND ALSO TO MIX SAID COMPONENTS FLOWING THROUGH SAID COMMON PORTION, ONE OF SAID REACTION VESSELS BEING LOCATED BETWEEN THE TWO PUMPS.
Claim 2
Dependent Claim
200 words
APPARATUS FOR PREPARING CHEMICAL PRODUCTS, WHICH COMPRISES A FIRST CIRCULATING PUMP, A PAIR OF REACTION VESSELS, PIPING CONNECTING THE PUMP AND THE VESSELS IN SERIES IN A FIRST CLOSED CIRCUIT, ADDITIONAL PIPING LEADING FROM A POINT OF SAID CIRCUIT AND RETURNING TO SAID CIRCUIT AT A POINT THEREOF SPACED FROM THE FIRST MENTIONED POINT, THE FIRST CIRCUIT INCLUDING ONLY A PORTION THEREOF LOCATED BETWEEN SAID POINTS AND FORMING WITH SAID ADDITIONAL PIPING A SECOND CLOSED CIRCUIT, WHEREBY SAID PORTION IS COMMON TO BOTH CIRCUITS, SAID COMMON PORTION BEING LOCATED BETWEEN THE TWO REACTION VESSELS, EACH CIRCUIT HAVING A SEPARATE INLET SPACED FROM SAID COMMONG PORTION, MEANS FOR POSITIVELY FEEDING A FIRST COMPONENT INTO THE FIRST CIRCUIT THROUGH THE INLET THEREOF, MEANS FOR POSITIVELY FEEDING A SECOND COMPONENT INTO THE SECOND CIRCUIT THROUGH THE INLET THEREOF, A PRODUCT DISCHARGE PIPE LEADING FROM THE FIRST CIRCUIT AT A POINT SPACED FROM SAID COMMON PORTION, AND A SECOND CIRCULATING PUMP IN SAID COMMON PORTION OF THE TWO CIRCUITS, WHEREBY THE SECOND PUMP IS OPERABLE TO INDUCE CIRCULATION IN THE SECOND CIRCUIT AND ALSO TO MIX SAID COMPONENTS FLOWING THROUGH SAID COMMON PORTION, ONE OF SAID REACTION VESSELS BEING LOCATED BETWEEN THE TWO PUMPS.
References Cited (Backward Citations)
US2332527A
Cited
US2852347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |