Patent US4649564A successfully refreshed from Google Patents.
US4059613A
Expired / Lapsed
US
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Fluorine-containing dicarbamate esters
Assignee: Adeka Corp
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Filing: 1976-01-06
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Granted: 1977-11-22
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Expires: 1996-01-06
Abstract
Abstract The fluorine-containing organic compound has the general formula: R.sub.f (CH.sub.2).sub.p O(RO).sub.m (CONHR'NHCOO).sub.q (C.sub.2 H.sub.4 O) n X, wherein R f is a perfluoro alkyl group; R is an alkylene group; R' is a hydrocarbylene group; X is H, --PO 3 H 2 or --SO 3 H; m and n are one of 0 and 1 to 50; p is one of 1 to 10; and q is 0 or 1, And is suited for a surface active agent having a high level of the surface activating property at a practical concentration.
Inventors
- 👤 Yasusi Nakamura
- 👤 Masashi Umemura
- 👤 Michimasa Yonekura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:37
CPC Classifications
C; C07; C07C; C07C305/00; A; A62; A62D; A62D1/00; A62D1/0071; A62D1/0085; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2639; C08G65/32; C08G65/321; C08G65/326; C08G65/327; C09; C09K; C09K23/00; C09K23/02; C09K23/14; C09K23/16; C09K23/42; C11; C11D; C11D1/00; C11D1/004; C11D1/006; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
89 words
A compound having the formula R.sub.f (CH.sub.2).sub.p O(RO).sub.m CONHR'NHCOO(C.sub.2 H.sub.4 O).sub.n H wherein R f is perfluoroalkyl having 4 to 14 carbon atoms, p is a number of from one to 10 and R f (CH 2 ) p - has from 6 to 16 carbon atoms; R is alkylene having from 2 to 4 carbon atoms; R' is alkylene, arylene or alkarylene having from 2 to 8 carbon atoms; m is a number of from one to 50; and n is a number of from one to 50.
Claim 2
Dependent Claim
89 words
A compound having the formula R.sub.f (CH.sub.2).sub.p O(RO).sub.m CONHR'NHCOO(C.sub.2 H.sub.4 O).sub.n H wherein R f is perfluoroalkyl having 4 to 14 carbon atoms, p is a number of from one to 10 and R f (CH 2 ) p - has from 6 to 16 carbon atoms; R is alkylene having from 2 to 4 carbon atoms; R' is alkylene, arylene or alkarylene having from 2 to 8 carbon atoms; m is a number of from one to 50; and n is a number of from one to 50.
Claim 3
Dependent Claim
35 words
A compound as claimed in claim 1, wherein m is a number from one to 25; n is a number of from one to 25; and p is a number of from one to 2.
Claim 4
Dependent Claim
14 words
A compound as claimed in claim 1 in which R is ethylene or propylene.
Claim 5
Dependent Claim
28 words
A compound as claimed in claim 3 in which m is from one to 15; n is from 10 to 25; and p is from one to 2.
Claim 6
Dependent Claim
11 words
A compound as claimed in claim 1 having the formula ##STR1##
Claim 7
Dependent Claim
11 words
A compound as claimed in claim 1 having the formula ##STR2##
Claim 8
Dependent Claim
11 words
A compound as claimed in claim 1 having the formula ##STR3##
Claim 9
Dependent Claim
11 words
A compound as claimed in claim 1 having the formula ##STR4##
Claim 10
Dependent Claim
11 words
A compound as claimed in claim 1 having the formula ##STR5##
Claim 11
Dependent Claim
12 words
A compound as claimed in claim 4 in which R' is ##STR6##
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) | 1980-11-21 | 1981-05-23 | 1981-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-21 | 1985-05-23 | 1985-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-21 | 1989-05-23 | 1989-11-22 | $7700.00 | Window Closed / Lapsed |