Patent US2716112A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2716112A Expired / Lapsed US ⏱️ 0.0 years remaining

Polymerization of vinyl chloride with 1, 1, 1-tribromo-2-methylpropanol-2 modifier

Assignee: Uniroyal Inc
•
Filing: 1952-11-26
•
Granted: 1955-08-23
•
Expires: 1972-11-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dexter C Seymour

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 15:23
CPC Classifications
C; C08; C08F; C08F14/00; C08F14/02; C08F14/04; C08F14/06

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 44 words
A PROCESS FOR PRODUCTION OF POLYVINYL CHLORIDE LATEX WHICH COMPRISES POLYMERIZING VINYL CHLORIDE AT 25*C. TO 60*C. IN AQUEOUS EMULSION IN THE PRESENCE OF A FREE RADICAL PRODUCING POLYMERIZATION INITIATOR AND 0.1% TO 8%, BASED ON THE WEIGHT OF VINYL CHLORIDE MONOMER, OF 1,1,1-TRIBROMO-2-METHYLPROPANOL-2.

References Cited (Backward Citations)

FR923547A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-08-22 1959-02-21 1959-08-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-08-22 1963-02-21 1963-08-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-08-22 1967-02-21 1967-08-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag