US3258440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of cis-polybutadiene latex with sorbitans, sorbides or monoolefin-maleic anhydride copolymer
Assignee: Phillips Petroleum Co
•
Filing: 1963-05-29
•
Granted: 1966-06-28
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 John E Burleigh
- 👤 Carl A Uraneck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:16
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/07; C08J2309/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PROCESS FOR PRODUCING A CIS-POLYBUTADIENE LATEX WHICH COMPRISES MIXING A SOLUTION OF A CIS-POLYBUTADIENE IN A HYDROCARBON SOLVENT WITH (A) A SALT OF AN ORGANIC ACID AND COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALKALI METAL HYDROXIDE, AMMONIUM HYDROXIDE, AN ALIPHATIC AMINE AND AN AROMATIC AMINE, AND (B) AT LEAST ONE DISPERSING AGENT SELECTED FROM THE GROUP CONSISTING OF (1) A FATTY ACID ESTER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
75 words
A PROCESS FOR PRODUCING A CIS-POLYBUTADIENE LATEX WHICH COMPRISES MIXING A SOLUTION OF A CIS-POLYBUTADIENE IN A HYDROCARBON SOLVENT WITH (A) A SALT OF AN ORGANIC ACID AND COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALKALI METAL HYDROXIDE, AMMONIUM HYDROXIDE, AN ALIPHATIC AMINE AND AN AROMATIC AMINE, AND (B) AT LEAST ONE DISPERSING AGENT SELECTED FROM THE GROUP CONSISTING OF (1) A FATTY ACID ESTER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2615009A
Cited
US2739954A
Cited
US2799662A
Cited
US2923692A
Cited
GB848065A
Cited
US2936295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |