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Patent US4216343A successfully refreshed from Google Patents.
US4216343A
Expired / Lapsed
US
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High molecular weight polyhydric alcohols
Assignee: Henkel Corp
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Filing: 1979-04-04
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Granted: 1980-08-05
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Expires: 1999-04-04
Abstract
Abstract The present invention describes the production of high molecular weight polyhydric alcohols and their derivatives. In particular the urethane reaction products of polyisocyantes and polyhydric alcohols are described.
Inventors
- 👤 Edgar R. Rogier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:43
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3203; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/36; C07C29/38; C07C31/00; C07C31/18; C07C31/20; C07C31/22; C07C45/00; C07C45/49; C07C45/61; C07C45/67; C07C45/68; C07C45/72; C07C45/75; C07C47/00; C07C47/02; C07C47/19
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
89 words
A gem-bis(hydroxymethyl) alcohol of the formula: CH 3 (CH 2 ) m [C(CH 2 OH) 2 ] n (CH 2 ) p [C(CH 2 OH) 2 ] q (CH 2 ) r [C(CH 2 OH) 2 ] s (CH 2 ) t CH 2 OH wherein n plus q plus s are integers the sum of which is from 1 to 3; n, q, and s are 0 or 1 and; m through t are integers the sum of which is 16 which is mono-, di- or tri-[bis(hydroxymethyl)] octadecanol.
Claim 2
Dependent Claim
89 words
A gem-bis(hydroxymethyl) alcohol of the formula: CH 3 (CH 2 ) m [C(CH 2 OH) 2 ] n (CH 2 ) p [C(CH 2 OH) 2 ] q (CH 2 ) r [C(CH 2 OH) 2 ] s (CH 2 ) t CH 2 OH wherein n plus q plus s are integers the sum of which is from 1 to 3; n, q, and s are 0 or 1 and; m through t are integers the sum of which is 16 which is mono-, di- or tri-[bis(hydroxymethyl)] octadecanol.
Claim 3
Dependent Claim
1 words
9,9(10,10)-bis(hydroxymethyl)octadecanol.
Claim 4
Dependent Claim
1 words
9,9(10,10)-bis(hydroxymethyl)octadecanol.
Claim 5
Dependent Claim
1 words
9,9(10,10),12,12(13,13)-di[bis(hydroxymethyl)]octadecanol.
Claim 6
Dependent Claim
1 words
9,9(10,10),12,12(13,13)-di[bis(hydroxymethyl)]octadecanol.
Claim 7
Dependent Claim
1 words
9,9(10,10),12,12(13,13),15,15(16,16)-tri[bis(hydroxymethyl)]octadecanol.
Claim 8
Dependent Claim
1 words
9,9(10,10),12,12(13,13),15,15(16,16)-tri[bis(hydroxymethyl)]octadecanol.
Claim 9
Dependent Claim
2 words
9,9 bis(hydroxymethyl)octadecanol.
Claim 10
Dependent Claim
2 words
9,9 bis(hydroxymethyl)octadecanol.
Claim 11
Dependent Claim
2 words
10,10 bis(hydroxymethyl)octadecanol.
Claim 12
Dependent Claim
2 words
10,10 bis(hydroxymethyl)octadecanol.
References Cited (Backward Citations)
US3290387A
Cited
US4122290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-08-05 | 1984-02-04 | 1984-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-05 | 1988-02-04 | 1988-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-05 | 1992-02-04 | 1992-08-05 | $7700.00 | Window Closed / Lapsed |