US3915931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic polymer flame retardants based on sulfamide
Assignee: Honeywell International Inc
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Filing: 1973-12-17
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Granted: 1975-10-28
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Expires: 1993-12-17
Abstract
Abstract A nitrogen containing organic polymer composition and process for preparing same comprising treating a nitrogen containing organic polymer with from about 0.5 to about 25 weight percent of substituted or unsubstituted sulfamide.
Inventors
- 👤 Kenneth B Gilleo
- 👤 Francis E Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:00
CPC Classifications
C; C08; C08G; C08G75/00; C08K; C08K5/00; C08K5/36; C08K5/43; C08L; C08L81/00; Y; Y10; Y10S; Y10S521/00; Y10S521/903
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
35 words
A PROCESS FOR IMPROVING FLAME RESISTANCE OF NITROGEN CONTAINING NATURAL OR SYNTHETIC ORGANIC POLYMERS CONSISTING ESSENTIALLY OF TREATING THE POLYMERS WITH FROM ABOUT 0.5 TO ABOUT 10 WEIGHT PERCENT OF A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
35 words
A PROCESS FOR IMPROVING FLAME RESISTANCE OF NITROGEN CONTAINING NATURAL OR SYNTHETIC ORGANIC POLYMERS CONSISTING ESSENTIALLY OF TREATING THE POLYMERS WITH FROM ABOUT 0.5 TO ABOUT 10 WEIGHT PERCENT OF A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
22 words
The process according to claim 1 wherein M is a simple ion of Li or a complex ion of Ca or Mg.
Claim 4
Dependent Claim
17 words
The process according to claim 1 wherein the polymer is wool, silk, acrylic, nylon or urethane polymer.
Claim 5
Dependent Claim
20 words
The process according to claim 1 wherein b and d are each 0 and a and c are each 2.
Claim 6
Dependent Claim
11 words
The process according to claim 4 wherein the polymer is nylon.
Claim 7
Dependent Claim
11 words
The process according to claim 4 wherein the polymer is polyurethane.
Claim 8
Dependent Claim
14 words
The process according to claim 5 wherein all R1 and R2 groups are -CH2OCH3.
Claim 9
Dependent Claim
14 words
The process according to claim 5 wherein all R1 and R2 groups are -H.
Claim 10
Dependent Claim
12 words
The process according to claim 6 wherein R1 and R2 are -CH2OCH3.
Claim 11
Dependent Claim
12 words
The process according to claim 6 wherein R1 and R2 are -H.
Claim 12
Dependent Claim
19 words
The process according to claim 3 wherein said compound contains at least one R3 group, and m is 0.
Claim 13
Dependent Claim
14 words
The process according to claim 11 wherein R4 is -CH2- and m is 1.
Claim 14
Dependent Claim
9 words
The process according to claim 11 wherein R4 is
Claim 15
Dependent Claim
22 words
The process according to claim 11 wherein m and n are each 0 and the terminal R1 in the R3 group is
Claim 16
Dependent Claim
25 words
The process according to claim 1 wherein said polymer is treated by immersion in solution containing from 0.02 to 50 weight percent of said compound.
Claim 17
Dependent Claim
13 words
The process according to claim 15 wherein said solution is an aqueous solution.
Claim 18
Dependent Claim
26 words
The process according to claim 6 wherein from 1.0 to 25 weight percent of said compound is added to the polyol used in manufacturing said polyurethane.
Claim 19
Dependent Claim
19 words
The process according to claim 17 wherein said compound is dissolved in water prior to addition to said polyol.
Claim 20
Dependent Claim
11 words
The process according to claim 18 whereIn said compound is sulfamide.
Claim 21
Dependent Claim
26 words
A composition comprising a nitrogen containing natural or synthetic organic polymer and from about 0.5 to about 10 weight percent of a compound of the formula:
Claim 22
Dependent Claim
26 words
A composition comprising a nitrogen containing natural or synthetic organic polymer and from about 0.5 to about 10 weight percent of a compound of the formula:
Claim 23
Dependent Claim
12 words
A composition according to claim 20 wherein the organic polymer is nylon.
Claim 24
Dependent Claim
12 words
A composition according to claim 20 wherein the organic polymer is polyurethane.
Claim 25
Dependent Claim
10 words
A composition according to claim 21 wherein the compound is:
Claim 26
Dependent Claim
15 words
A composition according to claim 21 wherein the compound is the auto condensation product of:
Claim 27
Dependent Claim
10 words
A composition according to claim 22 wherein the compound is:
Claim 28
Dependent Claim
10 words
A composition according to claim 21 wherein the compound is:
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) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |