Patent US3290116A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3290116A Expired / Lapsed US ⏱️ 0.0 years remaining

Calorimetric analysis for control of catalytic polymerization reactions

Assignee: Phillips Petroleum Co
•
Filing: 1963-02-27
•
Granted: 1966-12-06
•
Expires: 1983-02-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James H Carroll

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 12:07
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/16; C; C08; C08F; C08F36/00; C08F36/02; C08F36/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 190 words
A METHOD FOR THE INTRODUCTION INTO A CATALYTIC REACTION ZONE OF THE AMOUNT OF CATALYST NECESSARY TO OBTAIN DESIRED PROPERTIES OF A PRODUCT OF THE REACTION COMPRISING PASSING A FEED STREAM INTO SAID REACTION ZONE, WITHDRAWING A SAMPLE FROM SAID FEED STREAM, PASSING THE THUS WITHDRAWN SAMPLE INTO AN ANALYZING ZONE, INTRODUCING INTO SAID SAMPLE IN SAID ANALYZING ZONE IN THE PRESENCE OF AT LEAST ONE TERMINAL ACETYLENIC HYDROCARBON A MATERIAL WHICH REACTS WITH CATALYST POISONS CONTAINED IN SAID SAMPLE, SAD MATERIAL CONSISTING ESSENTIALLY OF AN ORGANOLITHIUM COMPOUND OF THE FORMULA R(LI)X, WHERE R IS A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OG ALIPHATIC, CYCLOALIPHATIC, AND AROMATIC RADICALS AND CONTAINS FROM 1 TO 20, INCLUSIVE, CARBON ATOMS, AND X IS AN INTEGER FROM 1 TO 4, INCLUSIVE, DETECTING A CHANGE IN COLOR OF THE SAMPLE RESULTING FROM THE REACTION OF SAID MATERIAL WITH SAID TERMINAL ACETYLENIC HYDROCARBON, WHICH SIGNIFIES THE SUBSTANTIALLY COMPLETE REACTION OF THE CATALYST POISONS CONTAINED THEREIN, AND INTRODUCING CATAYLST INTO SAID REACTION ZONE AT A RATE RESPONSIVE TO THE AMOUNT OF SAID MATERIAL ADDED TO SAID SAMPLE PRIOR TO THE DETECTION OF SAID CHANGE IN COLOR.
Claim 2
Independent Claim 190 words
A METHOD FOR THE INTRODUCTION INTO A CATALYTIC REACTION ZONE OF THE AMOUNT OF CATALYST NECESSARY TO OBTAIN DESIRED PROPERTIES OF A PRODUCT OF THE REACTION COMPRISING PASSING A FEED STREAM INTO SAID REACTION ZONE, WITHDRAWING A SAMPLE FROM SAID FEED STREAM, PASSING THE THUS WITHDRAWN SAMPLE INTO AN ANALYZING ZONE, INTRODUCING INTO SAID SAMPLE IN SAID ANALYZING ZONE IN THE PRESENCE OF AT LEAST ONE TERMINAL ACETYLENIC HYDROCARBON A MATERIAL WHICH REACTS WITH CATALYST POISONS CONTAINED IN SAID SAMPLE, SAD MATERIAL CONSISTING ESSENTIALLY OF AN ORGANOLITHIUM COMPOUND OF THE FORMULA R(LI)X, WHERE R IS A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OG ALIPHATIC, CYCLOALIPHATIC, AND AROMATIC RADICALS AND CONTAINS FROM 1 TO 20, INCLUSIVE, CARBON ATOMS, AND X IS AN INTEGER FROM 1 TO 4, INCLUSIVE, DETECTING A CHANGE IN COLOR OF THE SAMPLE RESULTING FROM THE REACTION OF SAID MATERIAL WITH SAID TERMINAL ACETYLENIC HYDROCARBON, WHICH SIGNIFIES THE SUBSTANTIALLY COMPLETE REACTION OF THE CATALYST POISONS CONTAINED THEREIN, AND INTRODUCING CATAYLST INTO SAID REACTION ZONE AT A RATE RESPONSIVE TO THE AMOUNT OF SAID MATERIAL ADDED TO SAID SAMPLE PRIOR TO THE DETECTION OF SAID CHANGE IN COLOR.

References Cited (Backward Citations)

US2886616A Cited
US2977199A Cited
US3140278A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-05 1970-06-06 1970-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-05 1974-06-06 1974-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-05 1978-06-06 1978-12-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag