US3219607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous dispersions of vinyl chloride-acrylic ester copolymers emulsified with sulfonated phenol aldehyde condensates
Assignee: Kuhlmann SA
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Filing: 1961-08-04
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Granted: 1965-11-23
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Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Perronin Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:51
CPC Classifications
C; C08; C08F; C08F283/00; C08F2/00; C08F2/04; C08F2/10; C08F214/00; C08F214/02; C08F214/04; C08F214/06; C08F220/00; C08F220/02; C08F220/10; C08F220/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
PROCESS FOR THE PREPARATION OF A SYNTHETIC LATEX HAVING A HIGH STABILITY WITH REGARD TO MECHANICAL FRICTIONAL PHENOMENA, WHICH COMPRISES EMULSIFYING VINYL CHLORIDE AND AN ACRYLIC ESTER OF AN ALCOHOL CONTAINING 1 TO 4 CARBON ATOMS WITH WATER IN AN AUTOCLAVE BY MEANS OF 0.5 TO 5% OF A SULPHONATED CONDENSATE BEING A MEMBER OF THE GROUP CONSISTING OF THE CONDENSATION PRODUCTS OF THE SULPHONATED PHENOLS WITH FORMALDEHYDE, THE CONDENSATION PRODUCTS OF THE SULPHONATED NAPHTHOLS WITH FORMALDEHYDE, THE CONDENSATION PRODUCTS OF THE SULPHONATED NAPHTHOLS WITH FORMALDEHYDE AND PHENOLS, THE CONDENSATION PRODUCTS OF THE PHENOLS WITH FORMALDEHYDE AND THE ALKALI METAL SULPHITES, THE CONDENSATION PRODUCTS OF THE PHENOL-SULPHONES WITH FRMALDEHYDE AND THE ALKALI METAL SULPHITES, AND INITIATING THE COPOLYMERIZATION BY MEANS OF A WATER SOLUBLE REDOX SYSTEM CONSISTING OF A FERROUS SALT AND A MEMBER OF THE GROUP CONSISTING OF HYDROGEN PEROXIDE AND A PERSALT.
Claim 2
Dependent Claim
144 words
PROCESS FOR THE PREPARATION OF A SYNTHETIC LATEX HAVING A HIGH STABILITY WITH REGARD TO MECHANICAL FRICTIONAL PHENOMENA, WHICH COMPRISES EMULSIFYING VINYL CHLORIDE AND AN ACRYLIC ESTER OF AN ALCOHOL CONTAINING 1 TO 4 CARBON ATOMS WITH WATER IN AN AUTOCLAVE BY MEANS OF 0.5 TO 5% OF A SULPHONATED CONDENSATE BEING A MEMBER OF THE GROUP CONSISTING OF THE CONDENSATION PRODUCTS OF THE SULPHONATED PHENOLS WITH FORMALDEHYDE, THE CONDENSATION PRODUCTS OF THE SULPHONATED NAPHTHOLS WITH FORMALDEHYDE, THE CONDENSATION PRODUCTS OF THE SULPHONATED NAPHTHOLS WITH FORMALDEHYDE AND PHENOLS, THE CONDENSATION PRODUCTS OF THE PHENOLS WITH FORMALDEHYDE AND THE ALKALI METAL SULPHITES, THE CONDENSATION PRODUCTS OF THE PHENOL-SULPHONES WITH FRMALDEHYDE AND THE ALKALI METAL SULPHITES, AND INITIATING THE COPOLYMERIZATION BY MEANS OF A WATER SOLUBLE REDOX SYSTEM CONSISTING OF A FERROUS SALT AND A MEMBER OF THE GROUP CONSISTING OF HYDROGEN PEROXIDE AND A PERSALT.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |