Patent US3627831A successfully refreshed from Google Patents.
US3627831A
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Carboxylic acid amides
Assignee: BASF Schweiz AG
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Filing: 1969-03-25
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Granted: 1971-12-14
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Expires: 1989-03-25
Abstract
Abstract Carboxylic acid arylmethylamides useful as antioxidants, bactericides and monomers for the production of polymers, which by themselves are useful as stabilizers for natural rubber and polypropylene and as components in coating preparations.
Inventors
- 👤 Helmut Huber-Emden
- 👤 Paul Schaefer
- 👤 Arthur Maeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:09
CPC Classifications
C; C08; C08L; C08L7/00; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F28/00; C08L23/00; C08L23/02; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
12 words
A carboxylic acid arylmethylamide according to claim 1 corresponding to the formula
Claim 2
Dependent Claim
12 words
A carboxylic acid arylmethylamide according to claim 1 corresponding to the formula
Claim 3
Dependent Claim
12 words
A carboxylic acid arylmethylamide according to claim 1 corresponding to the formula
Claim 4
Dependent Claim
12 words
A carboxylic acid arylmethylamide according to claim 1 corresponding to the formula
Claim 5
Dependent Claim
12 words
A carboxylic acid arylmethylamide according to claim 1 corresponding to the formula
Claim 6
Dependent Claim
12 words
A carboxylic acid arylmethylamide according to claim 1 corresponding to the formula
Claim 7
Dependent Claim
10 words
A compound according to claim 1 corresponding to the formula:
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) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |