Patent US4020125A successfully refreshed from Google Patents.
US4020125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resin
Assignee: Nippon Soda Co Ltd
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Filing: 1972-09-12
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Granted: 1977-04-26
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Expires: 1992-09-12
Abstract
Abstract A resin comprising: (1) mainly a polybutadiene chain which is prepared from polybutadiene having a molecular weight of 500 to 200,000 and more than 30% of 1,2-configuration by hydrogenizing polybutadiene to the extent that at least about 30% of double bonds are contained in the polybutadiene molecule; (2) and olefinic bond group in the tip of the molecule; and, (3) a functional group selected from the group consisting of urethane, carboimino and ureylene which combine the polybutadiene chain and the olefinic bond.
Inventors
- 👤 Hisao Suzuki
- 👤 Akira Musashi
- 👤 Yoshiyuki Ando
- 👤 Tomoyuki Inoue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:53
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6204; C08G18/6208; C08C; C08C19/00; C08C19/30; C08F; C08F279/00; C08F279/02; C08G18/70; C08G18/81; C08G18/8141; C08G18/815; C08G18/8158; Y; Y10; Y10S; Y10S525/00; Y10S525/92; Y10S525/94
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
116 words
A resin consisting essentially of a reaction product between (1) hydrogenated polybutadienediol which is prepared by hydrogentating polybutadienediol having an average molecular weight of 500 to 20,000 and 85 to 100% of 1,2-configuration, said polybutadienediol having been hydrogenated to the extent that at least 30% of the double bonds contained therein are hydrogenated and (2) an isocyanate compound obtained by the reaction of an organic diisocyanate and a hydroxyalkyl acrylate or an hydroxyalkyl methacrylate, wherein the ratio of isocyanate groups in the diisocyanate to the hydroxyalkyl acrylate or hydroxyalkyl methacrylate is from 1.1:1 to 2.5:1 and the ratio of isocyanate groups in the isocyanate compound to hydroxy groups in the polybutadienediol is from 0.5:1 to 1.2:1.
Claim 2
Dependent Claim
116 words
A resin consisting essentially of a reaction product between (1) hydrogenated polybutadienediol which is prepared by hydrogentating polybutadienediol having an average molecular weight of 500 to 20,000 and 85 to 100% of 1,2-configuration, said polybutadienediol having been hydrogenated to the extent that at least 30% of the double bonds contained therein are hydrogenated and (2) an isocyanate compound obtained by the reaction of an organic diisocyanate and a hydroxyalkyl acrylate or an hydroxyalkyl methacrylate, wherein the ratio of isocyanate groups in the diisocyanate to the hydroxyalkyl acrylate or hydroxyalkyl methacrylate is from 1.1:1 to 2.5:1 and the ratio of isocyanate groups in the isocyanate compound to hydroxy groups in the polybutadienediol is from 0.5:1 to 1.2:1.
Claim 3
Dependent Claim
34 words
A mixed composition comprising the resin claimed in claim 1 to which there is added up to 70%, by weight, of a vinyl compound and 0.1 to 10% by weight of an organic peroxide.
Claim 4
Dependent Claim
108 words
A resin comprising a reaction product between (1) an isocyanate prepolymer obtained by the reaction of (a) a hydrogenated polybutadienediol, which is prepared by hydrogenating polybutadienediol having an average molecular weight of 500 to 20,000 and and 85 to 100% of 1,2-configurations, said polybutadienediol having been hydrogenated to the extent that at least 30% of the double bonds contained therein are hydrogenated, and (b) an organic diisocyanate compound wherein the ratio of isocyanate groups to hydroxyl groups is from 1.1:1 to 2.4:1 and (2) a hydroxyalkyl acrylate or an hydroxyalkyl methacrylate wherein the ratio of isocyanate groups in said prepolymer to said acrylate is from 0.5:1 to 1.2:1.
Claim 5
Dependent Claim
108 words
A resin comprising a reaction product between (1) an isocyanate prepolymer obtained by the reaction of (a) a hydrogenated polybutadienediol, which is prepared by hydrogenating polybutadienediol having an average molecular weight of 500 to 20,000 and and 85 to 100% of 1,2-configurations, said polybutadienediol having been hydrogenated to the extent that at least 30% of the double bonds contained therein are hydrogenated, and (b) an organic diisocyanate compound wherein the ratio of isocyanate groups to hydroxyl groups is from 1.1:1 to 2.4:1 and (2) a hydroxyalkyl acrylate or an hydroxyalkyl methacrylate wherein the ratio of isocyanate groups in said prepolymer to said acrylate is from 0.5:1 to 1.2:1.
Claim 6
Dependent Claim
37 words
A mixed composition comprising the resin claimed in claim 3 to which there is added a vinyl compound in an amount of up to 70% by weight and 0.1 to 10%, by weight, of an organic peroxide.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |