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US4987264A
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Novel polyphenol and thermosetting plastics prepared therefrom
Assignee: BASF SE
•
Filing: 1989-04-21
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Granted: 1991-01-22
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Expires: 2009-04-21
Abstract
Abstract Novel phenol compounds of the general formula ##STR1## where X is a sulfone group or contains a sulfone group, are suitable for the preparation of epoxy resins, vinyl ester resins, bismaleimide resins and cyanate resins.
Inventors
- 👤 Jan Holoch
- 👤 Roland Peter
- 👤 Philipp Eisenbarth
- 👤 Thomas Allspach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:37
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/16; C07C317/20; C08; C08G; C08G59/00; C08G59/02; C08G59/04; C08G59/06; C08G59/063; C08G59/14; C08G59/1433; C08G59/1438; C08G59/1455; C08G59/1461; C08G59/1466; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/302; C08G61/00; C08G61/12; C08G73/00; C08G73/06; C08G73/10; C08G73/12; C07C2603/00; C07C2603/56; C07C2603/58; C07C2603/60; C07C2603/66; C07C2603/68
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
43 words
A polyphenol compound having the structure ##STR6## where n is on average from 0 to 5 and ##STR7## y is an alkylene or arylene group of not more than 15 carbon atoms and Z ios H, Hal, OH, alkyl, aryl, O-alkyl, O-aryl, ##STR8##
Claim 2
Dependent Claim
43 words
A polyphenol compound having the structure ##STR6## where n is on average from 0 to 5 and ##STR7## y is an alkylene or arylene group of not more than 15 carbon atoms and Z ios H, Hal, OH, alkyl, aryl, O-alkyl, O-aryl, ##STR8##
Claim 3
Dependent Claim
10 words
The polyphenol of claim1 wherein n is 0 or 1.
Claim 4
Dependent Claim
9 words
The polyphenol of claim 1 wherein X is ##STR9##
Claim 5
Dependent Claim
9 words
The polyphenol of claim 2 wherein X is ##STR10##
Claim 6
Dependent Claim
12 words
The polyphenol of claim 1 wherein Z is H, aryl, or alkyl.
Claim 7
Dependent Claim
12 words
The polyphenol of claim 2 wherein Z is H, aryl, or alkyl.
Claim 8
Dependent Claim
12 words
The polyphenol of claim 3 wherein Z is H, aryl, or alkyl.
Claim 9
Dependent Claim
12 words
The polyphenol of claim 4 wherein Z is H, aryl, or alkyl.
Claim 10
Dependent Claim
9 words
The polyphenol of claim 2 wherein Z is H.
Claim 11
Dependent Claim
9 words
The polyphenol of claim 2 wherein Z is H.
Claim 12
Dependent Claim
9 words
The polyphenol of claim 3 wherein Z is H.
Claim 13
Dependent Claim
9 words
The polyphenol of claim 4 wherein Z is H.
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) | 1994-01-21 | 1994-07-23 | 1995-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-21 | 1998-07-23 | 1999-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-21 | 2002-07-23 | 2003-01-22 | $7700.00 | Window Closed / Lapsed |