US3264249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive compositions of butadiene polymers used in medical applications
Assignee: Tanabe Pharma Corp
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Filing: 1962-04-02
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Granted: 1966-08-02
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Araki Chisato
- 👤 Handa Hajime
- 👤 Ohta Tomio
- 👤 Furukawa Junji
- 👤 Yamashita Shinzo
- 👤 Chihara Rokuro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:13
CPC Classifications
C; C09; C09J; C09J121/00; A; A61; A61L; A61L24/00; A61L24/04; A61L24/043; A61L24/06; C08; C08F; C08F279/00; C08F279/02; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/63; C08G18/635; C08G18/67; C08G18/69; C08K; C08K5/00; C08K5/02; C08K5/16; C08K5/29; C08K5/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A COMPOSITION CONSISTING ESSENTIALLY OF (1) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, CYANOACRYLIC ACID, CYANOACRYLIC ACID LOWER ALKYL ESTERS WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 2 CARBON ATOMS, CYANOACRYLONITRILE, METHACRYLONITRILE, CYANOMETHAORYLIC ACID, CYANOMETHACRYLIC ACID LOWER ALKYL ESTERS WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 2 CARBON ATOMS AND CYANOMETHACRYLONITRILE; (2) A DIENE-TYPE POLYMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENEACRYLONITRILE COPOLYMER, NATURAL RUBBER, BUTADIENE-STYRENE COPOLYMER, CHLOROPRENE POLYMER, ISOPRENE POLYMER AND ISOPRENE-ISOBUTYLENE COPOLYMER; (3) A MEMBER SELECTED FROM THE GROUP CONSISTING OF DIISOCYANATE COMPOUNDS AND TRIISOCYANATE COMPOUNDS, AND (4) A MEMBER SELECTED FROM THE GROUP CONSISTING OF NITROMETHANE, TRICHLOROETHYLENE AND MIXTURES THEREOF, THE COMPOSITION BEING HOMOGENEOUS AND ANHYDROUS, THE RELATION BETWEEN THE COMPONENT AND THE COMPONENT (2) BEING 1:0.7-1.8 BY WEIGHT AND THE AMOUNT OF POLYISOCYANATE COMPOUND BEING FROM ABOUT 0.3% TO ABOUT 3% OF THE TOTAL AMOUNT OF THE COMPOSITION.
Claim 2
Dependent Claim
146 words
A COMPOSITION CONSISTING ESSENTIALLY OF (1) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, CYANOACRYLIC ACID, CYANOACRYLIC ACID LOWER ALKYL ESTERS WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 2 CARBON ATOMS, CYANOACRYLONITRILE, METHACRYLONITRILE, CYANOMETHAORYLIC ACID, CYANOMETHACRYLIC ACID LOWER ALKYL ESTERS WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 2 CARBON ATOMS AND CYANOMETHACRYLONITRILE; (2) A DIENE-TYPE POLYMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENEACRYLONITRILE COPOLYMER, NATURAL RUBBER, BUTADIENE-STYRENE COPOLYMER, CHLOROPRENE POLYMER, ISOPRENE POLYMER AND ISOPRENE-ISOBUTYLENE COPOLYMER; (3) A MEMBER SELECTED FROM THE GROUP CONSISTING OF DIISOCYANATE COMPOUNDS AND TRIISOCYANATE COMPOUNDS, AND (4) A MEMBER SELECTED FROM THE GROUP CONSISTING OF NITROMETHANE, TRICHLOROETHYLENE AND MIXTURES THEREOF, THE COMPOSITION BEING HOMOGENEOUS AND ANHYDROUS, THE RELATION BETWEEN THE COMPONENT AND THE COMPONENT (2) BEING 1:0.7-1.8 BY WEIGHT AND THE AMOUNT OF POLYISOCYANATE COMPOUND BEING FROM ABOUT 0.3% TO ABOUT 3% OF THE TOTAL AMOUNT OF THE COMPOSITION.
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |