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US4352919A
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Aminoalkoxypentaerythritols
Assignee: Milliken Research Corp
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Filing: 1981-02-02
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Granted: 1982-10-05
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Expires: 2001-02-02
Abstract
Abstract Aminoalkoxypentaerythritol compounds are provided having the following formula: ##STR1## where R 1 , R 2 , and R 3 are independently selected from H and ##STR2## where R 4 is selected from H and a lower alkyl group having from 1 to about 4 carbon atoms.
Inventors
- 👤 Edward W. Kluger
- 👤 Calvin D. Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:02
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/504; C08G59/62; C08G59/64
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
43 words
Aminoalkoxypentaerythritol compounds having the following formula: ##STR11## where R 1 , R 2 and R 3 are independently selected from H and ##STR12## where R 4 is selected from H and a lower alkyl group having from 1 to about 4 carbon atoms.
Claim 2
Dependent Claim
43 words
Aminoalkoxypentaerythritol compounds having the following formula: ##STR11## where R 1 , R 2 and R 3 are independently selected from H and ##STR12## where R 4 is selected from H and a lower alkyl group having from 1 to about 4 carbon atoms.
Claim 3
Dependent Claim
17 words
The aminoalkoxypentaerythritol compounds of claim 1, wherein R 1 , R 2 and R 3 are ##STR13##
Claim 4
Dependent Claim
11 words
The aminoalkoxypentaerythritol compounds of claim 2, where R 4 is H.
Claim 5
Dependent Claim
56 words
An epoxy resin composition comprising an epoxy resin and at least one epoxy resin curing agent of the formula: ##STR14## where R 1 , R 2 and R 3 are independently selected from H and ##STR15## where R 4 is selected from H and a lower alkyl group having from 1 to about 4 carbon atoms.
Claim 6
Dependent Claim
56 words
An epoxy resin composition comprising an epoxy resin and at least one epoxy resin curing agent of the formula: ##STR14## where R 1 , R 2 and R 3 are independently selected from H and ##STR15## where R 4 is selected from H and a lower alkyl group having from 1 to about 4 carbon atoms.
Claim 7
Dependent Claim
14 words
The epoxy resin composition of claim 4, wherein said ##STR16## groups are terminal groups.
Claim 8
Dependent Claim
17 words
The epoxy resin composition of claim 5, wherein said epoxy resin is a diglycidyl ether of bis-phenol.
Claim 9
Dependent Claim
35 words
The epoxy resin composition of claim 4, wherein said epoxy resin curing agent is represented by the formula set forth in claim 4 and wherein R 1 , R 2 and R 3 are ##STR17##
Claim 10
Dependent Claim
12 words
The epoxy resin composition of claim 7, wherein R 4 is H.
Claim 11
Dependent Claim
84 words
In a method for curing an epoxy resin composition comprising incorporating an epoxy resin curing agent into an epoxy resin and heating the combination of the epoxy resin and the epoxy curing agent, the improvement which comprises said epoxy resin curing agent being represented by the formula: ##STR18## where R 1 , R 2 and R 3 are independently selected from H and ##STR19## where R 4 is selected from H and a lower alkyl group having from 1 to about 4 carbon atoms.
Claim 12
Dependent Claim
84 words
In a method for curing an epoxy resin composition comprising incorporating an epoxy resin curing agent into an epoxy resin and heating the combination of the epoxy resin and the epoxy curing agent, the improvement which comprises said epoxy resin curing agent being represented by the formula: ##STR18## where R 1 , R 2 and R 3 are independently selected from H and ##STR19## where R 4 is selected from H and a lower alkyl group having from 1 to about 4 carbon atoms.
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) | 1985-10-04 | 1986-04-05 | 1986-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-04 | 1990-04-05 | 1990-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-04 | 1994-04-05 | 1994-10-05 | $7700.00 | Window Closed / Lapsed |