US2912399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing aqueous emulsions
Assignee: Bayer AG
•
Filing: 1954-08-09
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Granted: 1959-11-10
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Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Herbert Bartl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:47
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/10; C08F267/00; C08F267/06; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/07; C09; C09D; C09D5/00; C09D5/02; C09K; C09K23/00; C09K23/34; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; C08J2357/00; C08J2357/06; C08J2357/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AS A NOVEL AQUEOUS EMULSION, A CONTINUOUS PHASE AND A DISPERSED ORGANIC PHASE, THE LATTER COMPRISING (A) A LIQUID POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER AND (B) AN EMULSIFIER CONSISTING OF A WATERINSOLUBLE ALKALI METAL SALT OF A COPOLYMER OF 1-2 MOLES OF STYRENE WITH ABOUT 1 MOLE OF A POLYMERIZABLE ACID HAVING THE GENERAL FORMULA R-CH=CX-COOH, WHEREIN X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL AND HALOGEN, AND R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF -COOR'',
Claim 2
Dependent Claim
82 words
AS A NOVEL AQUEOUS EMULSION, A CONTINUOUS PHASE AND A DISPERSED ORGANIC PHASE, THE LATTER COMPRISING (A) A LIQUID POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER AND (B) AN EMULSIFIER CONSISTING OF A WATERINSOLUBLE ALKALI METAL SALT OF A COPOLYMER OF 1-2 MOLES OF STYRENE WITH ABOUT 1 MOLE OF A POLYMERIZABLE ACID HAVING THE GENERAL FORMULA R-CH=CX-COOH, WHEREIN X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL AND HALOGEN, AND R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF -COOR'',
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |