US3624139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylic acid esters
Assignee: BASF Corp
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Filing: 1969-01-02
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Granted: 1971-11-30
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Expires: 1989-01-02
Abstract
Abstract A halogen containing ester composition of matter, and process for preparing same, having a structure depicted by the following formula: WHEREIN Z is selected from the group consisting of hydrogen and methyl group, Y is selected from the group consisting of hydrogen and halogen having an atomic weight of 19 to 80, inclusive, X is halogen having an atomic weight of 19 to 80, inclusive, and n is selected from 0 and 1. D R A W I N G
Inventors
- 👤 Pauls Davis
- 👤 Herwart C Vogt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:30
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/66; C07C69/73; C07C69/732
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
The ester of claim 1 wherein Z is hydrogen.
Claim 2
Dependent Claim
11 words
The ester of claim 1 wherein Z is a methyl group.
Claim 3
Dependent Claim
9 words
The ester of claim 1 wherein n is O.
Claim 4
Dependent Claim
9 words
The ester of claim 4 wherein Y is halogen.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |