Patent US435681A successfully refreshed from Google Patents.
Patent US4125733A successfully refreshed from Google Patents.
US4125733A
Expired / Lapsed
US
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2,3-Dibromopropyl polyoxyethylene trimellitate
Assignee: Arkema Inc
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Filing: 1977-09-26
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Granted: 1978-11-14
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Expires: 1997-09-26
Abstract
Abstract A compound of the formula ##STR1## is provided that is useful for imparting soil release properties and durable flame retardancy to textiles such as all-polyester fabric either alone or in combination with other textile chemicals.
Inventors
- 👤 Stanley R. Sandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:01
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/331; C08G65/332; C08G65/3324; C08G65/3326
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
58 words
A compound having the formula ##STR17## wherein (a) the ring is 1,2,4 substituted; (b) R is selected from H, --CH 3 or ##STR18## with the ring being 1,2,4 substituted; (c) R 1 is selected from ##STR19## (--CH 2 CH 2 O) n H or (--CH 2 CH 2 O) n CH 3 ; and (d) n is 6-23.
Claim 2
Dependent Claim
58 words
A compound having the formula ##STR17## wherein (a) the ring is 1,2,4 substituted; (b) R is selected from H, --CH 3 or ##STR18## with the ring being 1,2,4 substituted; (c) R 1 is selected from ##STR19## (--CH 2 CH 2 O) n H or (--CH 2 CH 2 O) n CH 3 ; and (d) n is 6-23.
Claim 3
Dependent Claim
13 words
The compound of claim 1 wherein R is H and n is 9.
Claim 4
Dependent Claim
14 words
The compound of claim 1 wherein R is --CH 3 and n is 7.
Claim 5
Dependent Claim
14 words
The compound of claim 1 wherein R is ##STR20## and R 1 is ##STR21##
Claim 6
Dependent Claim
23 words
The compound of claim 1 wherein R is ##STR22## R 1 is --CH 2 CH 2 ) n H and n is 9.
Claim 7
Dependent Claim
13 words
The compound of claim 1 wherein R is H and n is 23.
References Cited (Backward Citations)
US3317568A
Cited
US3236659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-11-13 | 1982-05-15 | 1982-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-13 | 1986-05-15 | 1986-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-13 | 1990-05-15 | 1990-11-14 | $7700.00 | Window Closed / Lapsed |