Patent US3885948A successfully refreshed from Google Patents.
US3885948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meta-substituted ether anilides as algicidal agents
Assignee: Stauffer Chemical Co
•
Filing: 1973-01-04
•
Granted: 1975-05-27
•
Expires: 1993-01-04
Abstract
Abstract WHEREIN R is alkyl or mono and di-substituted amino, said substituents selected from lower alkyl, alkenyl or phenyl; R'''' is alkyl; alkoxyalkyl or alkylcarbonyl as algicidal agents. This invention relates to the utility of certain metasubstituted ether anilides of the general formula
Inventors
- 👤 Don R Baker
- 👤 Eugene G Teach
- 👤 Duane R Arneklev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:01
CPC Classifications
C; C07; C07C; C07C273/00; C07C273/18; C07C273/1854; C07C273/1809; C07C273/1836; C07C273/1845
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
27 words
THE METHOD FOR INHIBITING AND PREVENTING ALGAE GROWTH IN WATER, WHICH COMPRISES ADDING TO THE ALGAE ENVIRONMENT AN ALGICIDALLY EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA
Claim 2
Independent Claim
27 words
THE METHOD FOR INHIBITING AND PREVENTING ALGAE GROWTH IN WATER, WHICH COMPRISES ADDING TO THE ALGAE ENVIRONMENT AN ALGICIDALLY EFFECTIVE AMOUNT OF A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
13 words
The method of claim 1 wherein R is alkyl and R'''' is alkyl.
Claim 4
Dependent Claim
13 words
The method of claim 2 wherein R is 1-methylbutyl and R'''' is neopentyl.
Claim 5
Dependent Claim
13 words
The method of claim 2 wherein R is 1,1-dimethylbutyl and R'''' is neopentyl.
Claim 6
Dependent Claim
13 words
The method of claim 2 wherein R is ethyl and R'''' is neopentyl.
Claim 7
Dependent Claim
13 words
The method of claim 1 wherein R is alkyl and R'''' is alkylcarbonyl.
Claim 8
Dependent Claim
14 words
The method of claim 6 in which R is 1-methylbutyl and R'''' is tertiary-butylcarbonyl.
Claim 9
Dependent Claim
14 words
The method of claim 6 in which R is ethyl and R'''' is tertiary-butylcarbonyl.
Claim 10
Dependent Claim
14 words
The method of claim 6 in which R is isopropyl and R'''' is tertiary-butylcarbonyl.
Claim 11
Dependent Claim
14 words
The method of claim 6 in which R is tertiarybutyl and R'''' is tertiary-butylcarbonyl.
Claim 12
Dependent Claim
13 words
The method of claim 1 wHerein R is N-monoalkylamino and R'''' is alkyl.
Claim 13
Dependent Claim
13 words
The method of claim 11 wherein R is N-monoethylamino and R'''' is neopentyl.
Claim 14
Dependent Claim
13 words
The method of claim 11 wherein R is N-monoethylamino and R'''' is neopentyl.
Claim 15
Dependent Claim
13 words
The method of claim 11 wherein R is N-monoethylamino and R'''' is isopropyl.
Claim 16
Dependent Claim
13 words
The method of claim 11 wherein R is N-mono-n-butylamino and R'''' is neopentyl.
Claim 17
Dependent Claim
13 words
The method of claim 11 wherein R is N-monotertiary-butylamino and R'''' is neopentyl.
Claim 18
Dependent Claim
13 words
The method of claim 1 wherein R is N-monoalkylamino and R'''' is alkylcarbonyl.
Claim 19
Dependent Claim
13 words
The method of claim 17 wherein R is N-monomethylamino and R'''' is tertiary-butylcarbonyl.
Claim 20
Dependent Claim
14 words
The method of claim 1 in which R is N-monoalkenylamino and R'''' is alkylcarbonyl.
Claim 21
Dependent Claim
13 words
The method of claim 19 wherein R is N-monoallylamino and R'''' is tertiary-butylcarbonyl.
Claim 22
Dependent Claim
14 words
The method of claim 1 in which R is N,N-dialkylamino and R'''' is alkyl.
Claim 23
Dependent Claim
13 words
The method of claim 21 wherein R is N,N-dimethylamino and R'''' is isopropyl.
Claim 24
Dependent Claim
14 words
The method of claim 1 in which R is N-monoalkylamino and R'''' is alkoxyalkyl.
Claim 25
Dependent Claim
13 words
The method of claim 23 wherein R is N-monoethylamino and R'''' is ethoxymethyl.
Claim 26
Dependent Claim
14 words
The method of claim 1 in which R is N-monophenylamino and R'''' is alkylcarbonyl.
Claim 27
Dependent Claim
9 words
The method of claim 25 wherein R'''' is tertiarybutylcarbonyl.
Claim 28
Dependent Claim
14 words
The method of claim 1 in which R is N,N-dialkylamino and R'''' is alkoxyalkyl.
Claim 29
Dependent Claim
13 words
The method of claim 27 wherein R is N,N-dimethylamino and R'''' is ethoxymethyl.
References Cited (Backward Citations)
US3682618A
Cited
US3792994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-26 | 1978-11-25 | 1979-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-26 | 1982-11-25 | 1983-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-26 | 1986-11-25 | 1987-05-27 | $7700.00 | Window Closed / Lapsed |