US3719692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel amino-substituted benzoates
Assignee: Koninklijke Ind Maatschappy Noury & Van Der Lande Nv nl
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Filing: 1970-07-08
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Granted: 1973-03-06
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Expires: 1990-07-08
Abstract
Abstract WHEREIN R1 is hydrogen or a lower alkyl group; R2 is hydrogen, a lower alkyl group, an acyl group having nor more than 20 carbon atoms, a substituted or non-substituted aroyl group, or a substituted or non-substituted benzene sulfonyl group; and X is phenylene or a biphenyl fragment having the formula: WHEREIN Y represents hydrogen or a halogen, and Z is a sulfonyl group or an alkylidene group having from three to eight carbon atoms. Ultraviolet light absorbing compounds for polymers and copolymers are disclosed having the general formula:
Inventors
- 👤 R Havinga
- 👤 P Swaters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C08K5/36; C08K5/43
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
5 words
A compound having the formula
Claim 2
Dependent Claim
5 words
A compound having the formula
Claim 3
Dependent Claim
2 words
Resorcinol di-anthranilate.
Claim 4
Dependent Claim
2 words
Resorcinol di-anthranilate.
Claim 5
Dependent Claim
2 words
Resorcinol bis(N-acetylanthranilate).
Claim 6
Dependent Claim
2 words
Resorcinol bis(N-acetylanthranilate).
Claim 7
Dependent Claim
2 words
Resorcinol bis(m-N,N-dimethylaminobenzoate).
Claim 8
Dependent Claim
2 words
Resorcinol bis(m-N,N-dimethylaminobenzoate).
Claim 9
Dependent Claim
2 words
Resorcinol bis(N-benzoylanthranilate).
Claim 10
Dependent Claim
2 words
Resorcinol bis(N-benzoylanthranilate).
Claim 11
Dependent Claim
3 words
Resorcinol bis(N-(4tert.butylbenzoyl)anthranilate) .
Claim 12
Dependent Claim
3 words
Resorcinol bis(N-(4tert.butylbenzoyl)anthranilate) .
Claim 13
Dependent Claim
2 words
Resorcinol bis(N-(2-methoxybenzoyl)anthranilate).
Claim 14
Dependent Claim
2 words
Resorcinol bis(N-(2-methoxybenzoyl)anthranilate).
Claim 15
Dependent Claim
1 words
2,2-bis(4-(2-aminobenzoyloxy)phenyl)propane.
Claim 16
Dependent Claim
1 words
2,2-bis(4-(2-aminobenzoyloxy)phenyl)propane.
Claim 17
Dependent Claim
1 words
2,2-bis(4-(2-N-acetylaminobenzoyloxy)phenyl)propane.
Claim 18
Dependent Claim
1 words
2,2-bis(4-(2-N-acetylaminobenzoyloxy)phenyl)propane.
Claim 19
Dependent Claim
1 words
2,2-bis(4-(2-N-nonanoylaminobenzoyloxy)phenyl)propane.
Claim 20
Dependent Claim
1 words
2,2-bis(4-(2-N-nonanoylaminobenzoyloxy)phenyl)propane.
Claim 21
Dependent Claim
1 words
4-methyl-2,2-bis(4-(2-aminobenzoyloxy)phenyl)pentane.
Claim 22
Dependent Claim
1 words
4-methyl-2,2-bis(4-(2-aminobenzoyloxy)phenyl)pentane.
Claim 23
Dependent Claim
1 words
4-methyl-2,2-bis(4-(2-N-acetylaminobenzoyloxy)phenyl)pentane.
Claim 24
Dependent Claim
1 words
4-methyl-2,2-bis(4-(2-N-acetylaminobenzoyloxy)phenyl)pentane.
Claim 25
Dependent Claim
1 words
2,2-bis(3-chloro-4-(2-aminobenzoyloxy)phenyl)propane.
Claim 26
Dependent Claim
1 words
2,2-bis(3-chloro-4-(2-aminobenzoyloxy)phenyl)propane.
Claim 27
Dependent Claim
1 words
2,2-bis(3-chloro-4-(2-N-acetylaminobenzoyloxy)phenyl)propane.
Claim 28
Dependent Claim
1 words
2,2-bis(3-chloro-4-(2-N-acetylaminobenzoyloxy)phenyl)propane.
Claim 29
Dependent Claim
1 words
2,2-bis(4-(4-N-stearoylaminobenzoyloxy)phenyl)propane.
Claim 30
Dependent Claim
1 words
2,2-bis(4-(4-N-stearoylaminobenzoyloxy)phenyl)propane.
Claim 31
Dependent Claim
1 words
2,2-bis(4-(4-aminobenzoyloxy)phenyl)propane.
Claim 32
Dependent Claim
1 words
2,2-bis(4-(4-aminobenzoyloxy)phenyl)propane.
Claim 33
Dependent Claim
1 words
2,2-bis(4-(4-N-tosylaminobenzoyloxy)phenyl)propane.
Claim 34
Dependent Claim
1 words
2,2-bis(4-(4-N-tosylaminobenzoyloxy)phenyl)propane.
Claim 35
Dependent Claim
1 words
2,2-bis(4-(2-N-methylaminobenzoyloxy)phenyl)propane.
Claim 36
Dependent Claim
1 words
2,2-bis(4-(2-N-methylaminobenzoyloxy)phenyl)propane.
Claim 37
Dependent Claim
1 words
2,2-bis(4-(2-N-methyl-N-acetylaminobenzoyloxy)phenyl)propane.
Claim 38
Dependent Claim
1 words
2,2-bis(4-(2-N-methyl-N-acetylaminobenzoyloxy)phenyl)propane.
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) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |