US4304945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High molecular weight products
Assignee: Henkel Corp
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Filing: 1979-10-04
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Granted: 1981-12-08
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Expires: 1999-10-04
Abstract
Abstract The present invention describes the production of high molecular weight polyhydric alcohols and their derivatives. In particular the urethane reaction products of polyisocyanates and polyhydric alcohols are described.
Inventors
- 👤 Edgar R. Rogier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:52
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
133 words
A mixture of a diol (a) and a alcohol (b) of the formula: (a) H(CH 2 ) h CH(CH 2 OH)(CH 2 ) k CH 2 OH and (b) 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 and mixtures thereof wherein n plus q plus s are integers the sum of which is from 1 to 3; k and t are 3 or greater; n, q, and s are 0 or 1; m through t are integers the sum of which is from 12 to 20; and, h plus k are non-zero integers the sum of which is from 12 through 20.
Claim 2
Dependent Claim
133 words
A mixture of a diol (a) and a alcohol (b) of the formula: (a) H(CH 2 ) h CH(CH 2 OH)(CH 2 ) k CH 2 OH and (b) 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 and mixtures thereof wherein n plus q plus s are integers the sum of which is from 1 to 3; k and t are 3 or greater; n, q, and s are 0 or 1; m through t are integers the sum of which is from 12 to 20; and, h plus k are non-zero integers the sum of which is from 12 through 20.
Claim 3
Dependent Claim
17 words
The composition of claim 1 wherein the sum of h plus k is from 14 to 18.
Claim 4
Dependent Claim
17 words
The composition of claim 1 wherein the sum of m through t is from 14 to 18.
Claim 5
Dependent Claim
16 words
The composition of claim 1 wherein q is 1 and n and s are each 0.
Claim 6
Dependent Claim
16 words
The composition of claim 1 wherein m, h, k and t are each 4 or greater.
Claim 7
Dependent Claim
11 words
The composition of claim 1 wherein the diol is 9(10)-hydroxymethyl octadecanol.
Claim 8
Dependent Claim
10 words
The composition of claim 1 wherein the alcohol is 9,9(10,10)-bishydroxymethyloctadecanol.
Claim 9
Dependent Claim
13 words
The composition of claim 1 wherein the alcohol is a 9,9(10,10); 12,12(13,13) di[bis(hydroxymethyl)]octadecanol.
Claim 10
Dependent Claim
15 words
The composition of claim 1 wherein the alcohol is a 9,9(10,10); 12,12(13,13); 15,15(16,16) tri[bis(hydroxymethyl)] octadecanol.
Claim 11
Dependent Claim
22 words
The composition of claim 1 wherein the weight ratio of the alcohol to the diol is from about 1:2 to about 100:1.
Claim 12
Dependent Claim
24 words
The composition of claim 1 wherein n,p, r and s are 0; q is 1 and m plus t is from 11 through 19.
References Cited (Backward Citations)
GB867230A
Cited
US3290387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-12-07 | 1985-06-08 | 1985-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-07 | 1989-06-08 | 1989-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-07 | 1993-06-08 | 1993-12-08 | $7700.00 | Window Closed / Lapsed |