US3009947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of chloralkyl esters of acrylic acid and its substitution products
Assignee: BASF SE
•
Filing: 1960-04-01
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Granted: 1961-11-21
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Expires: 1980-04-01
Abstract
No abstract record available.
Inventors
- 👤 Baron Hubertus
- 👤 Friederich Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:23
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/62; C07C69/65; C07C69/653
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
100 words
A PROCESS FOR THE PRODUCTION OF CHLORALKYL ESTERS OF ACRYLIC ACID AND SUBSTITUTION PRODUCTS THEREOF WHICH COMPRISES CAUSING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID CHLORIDE, METHACRYLIC ACID CHLORIDE, CROTONIC ACID CHLORIDE, ALPHA-CHLOR ARCYLIC ACID CHLORIDE AND ALPHA-BROM ACRYLIC ACID CHLORIDE TO REACT WITH A NONAROMATIC HETEROCYCLIC COMPOUND WITH AT LEAST FOUR RING MEMBERS IN THE RING IN WHICH AT LEAST ONE RING MEMBER IS OXYGEN, SAID COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURANE, 3,3-DIMETHYL-TRIMETHYLENE OXIDE, 3,3-BIS(CHLORMETHYL)-OXYCYCLOBUTANE, TETRAHYDROPYRANE, DIHYDROPYRANE AND DIOXANE AT A TEMPERATURE BETWEEN 20* AND 150*C. IN THE PRESENCE OF AN ACID CATALYST.
Claim 2
Dependent Claim
100 words
A PROCESS FOR THE PRODUCTION OF CHLORALKYL ESTERS OF ACRYLIC ACID AND SUBSTITUTION PRODUCTS THEREOF WHICH COMPRISES CAUSING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID CHLORIDE, METHACRYLIC ACID CHLORIDE, CROTONIC ACID CHLORIDE, ALPHA-CHLOR ARCYLIC ACID CHLORIDE AND ALPHA-BROM ACRYLIC ACID CHLORIDE TO REACT WITH A NONAROMATIC HETEROCYCLIC COMPOUND WITH AT LEAST FOUR RING MEMBERS IN THE RING IN WHICH AT LEAST ONE RING MEMBER IS OXYGEN, SAID COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURANE, 3,3-DIMETHYL-TRIMETHYLENE OXIDE, 3,3-BIS(CHLORMETHYL)-OXYCYCLOBUTANE, TETRAHYDROPYRANE, DIHYDROPYRANE AND DIOXANE AT A TEMPERATURE BETWEEN 20* AND 150*C. IN THE PRESENCE OF AN ACID CATALYST.
Claim 3
Dependent Claim
9 words
A CHLOROALKYL ESTER OF ACRYLIC ACID HAVING THE FORMULA
Claim 4
Dependent Claim
9 words
A CHLOROALKYL ESTER OF ACRYLIC ACID HAVING THE FORMULA
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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |