Patent US4599464A successfully refreshed from Google Patents.
US4599464A
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Novel compositions
Assignee: KOPPERS CMPANY Inc A CORP OF DE
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Filing: 1985-10-17
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Granted: 1986-07-08
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Expires: 2005-10-17
Abstract
Abstract Novel compositions useful as antioxidants are formed by the reaction of resorcinol with an alkenylbenzene.
Inventors
- 👤 Hans Dressler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:51
CPC Classifications
C; C07; C07C; C07C39/00; C07C39/12
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
29 words
Compositions of the formula: ##STR2## wherein R and R 1 are the same or different and are selected from the group consisting of hydrogen, methyl, ethyl, propyl and isopropyl.
Claim 2
Dependent Claim
29 words
Compositions of the formula: ##STR2## wherein R and R 1 are the same or different and are selected from the group consisting of hydrogen, methyl, ethyl, propyl and isopropyl.
Claim 3
Dependent Claim
12 words
A composition of claim 1 wherein R and R 1 are hydrogen.
Claim 4
Dependent Claim
12 words
The composition of claim 1 wherein R and R 1 are methyl.
Claim 5
Dependent Claim
12 words
The composition of claim 1 wherein R and R 1 are ethyl.
Claim 6
Dependent Claim
12 words
The composition of claim 1 wherein R and R 1 are (iso)propyl.
Claim 7
Dependent Claim
15 words
The composition of claim 1 wherein R is H and R 1 is an alkyl.
Claim 8
Dependent Claim
25 words
An organic material subject to deterioration by heat and/or oxidation stabilized by addition of a minor but effective amount of a composition of claim 1.
Claim 9
Dependent Claim
12 words
The material of claim 7 wherein R and R 1 are hydrogen.
Claim 10
Dependent Claim
22 words
A method of inhibiting the growth of bacteria comprising applying to said bacteria a biocidal amount of a composition of claim 1.
Claim 11
Dependent Claim
12 words
The method of claim 9 wherein R and R 1 are hydrogen.
References Cited (Backward Citations)
US3972951A
Cited
US4514577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-07-07 | 1990-01-06 | 1990-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-07 | 1994-01-06 | 1994-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-07 | 1998-01-06 | 1998-07-08 | $7700.00 | Window Closed / Lapsed |