Abstract 1. A PROCESS FOR PREPARING A COPOLYMER IN BEAD FORM CONTAINING FROM 1 TO 50 MOLE PERCENT OF AN IMIDE DERIVATIVE OF AN ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID AND 99 TO 50 MOLE PERCENT OF A NON-CARBOXYLIC MONOMER COPOLYMERIZABLE THEREWITH COMPRISING: A. FORMING AN AQUEOUS SUSPENSION OF (1) A COPOLYMER IN BEAD FORM CONTAINING 1 TO 50 MOLE PERCENT OF A DICARBOXYLIC MOIETY AND 99 TO 50 MOLE PERCENT OF A NON-CARBOXYLIC MONOMER COPOLYMERIZABLE THEREWITH AND (2) AQUEOUS AMMONIA OR AN AQUEOUS AMINE IN AN AMOUNT SUFFICIENT TO REACH STOICHIOMETRICALLY WITH THE DICARBOXYLIC MOIETY; B. HEATING SAID SUSPENSION WITH AGITATION IN A CLOSED SYSTEM AT A TEMPERATURE OF BETWEEN 125 AND 200*C. AT AUTOGENOUS PRESSURE FOR 3 TO 48 HOURS TO ALLOW REACTION BETWEEN THE AMMONIA OR AMINE AND THE DICARBOXYLIC MOIETY; AND C. SEPARATING THE COPOLYMER IN BEAD FORM FROM THE AQUEOUS MEDIUM.
Inventors
👤 Giulio A Di
Bibliographic Details
Application Number—
JurisdictionUS
Data Sourcegoogle_patents
Last Synchronized2026-10-24 13:38
CPC Classifications
C; C08; C08F; C08F8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A PROCESS FOR PREPARING A COPOLYMER IN BEAD FORM CONTAINING FROM 1 TO 50 MOLE PERCENT OF AN IMIDE DERIVATIVE OF AN ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID AND 99 TO 50 MOLE PERCENT OF A NON-CARBOXYLIC MONOMER COPOLYMERIZABLE THEREWITH COMPRISING: A. FORMING AN AQUEOUS SUSPENSION OF (1) A COPOLYMER IN BEAD FORM CONTAINING 1 TO 50 MOLE PERCENT OF A DICARBOXYLIC MOIETY AND 99 TO 50 MOLE PERCENT OF A NON-CARBOXYLIC MONOMER COPOLYMERIZABLE THEREWITH AND (2) AQUEOUS AMMONIA OR AN AQUEOUS AMINE IN AN AMOUNT SUFFICIENT TO REACH STOICHIOMETRICALLY WITH THE DICARBOXYLIC MOIETY; B. HEATING SAID SUSPENSION WITH AGITATION IN A CLOSED SYSTEM AT A TEMPERATURE OF BETWEEN 125 AND 200*C. AT AUTOGENOUS PRESSURE FOR 3 TO 48 HOURS TO ALLOW REACTION BETWEEN THE AMMONIA OR AMINE AND THE DICARBOXYLIC MOIETY; AND C. SEPARATING THE COPOLYMER IN BEAD FORM FROM THE AQUEOUS MEDIUM.
Claim 2
Dependent Claim
142 words
A PROCESS FOR PREPARING A COPOLYMER IN BEAD FORM CONTAINING FROM 1 TO 50 MOLE PERCENT OF AN IMIDE DERIVATIVE OF AN ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID AND 99 TO 50 MOLE PERCENT OF A NON-CARBOXYLIC MONOMER COPOLYMERIZABLE THEREWITH COMPRISING: A. FORMING AN AQUEOUS SUSPENSION OF (1) A COPOLYMER IN BEAD FORM CONTAINING 1 TO 50 MOLE PERCENT OF A DICARBOXYLIC MOIETY AND 99 TO 50 MOLE PERCENT OF A NON-CARBOXYLIC MONOMER COPOLYMERIZABLE THEREWITH AND (2) AQUEOUS AMMONIA OR AN AQUEOUS AMINE IN AN AMOUNT SUFFICIENT TO REACH STOICHIOMETRICALLY WITH THE DICARBOXYLIC MOIETY; B. HEATING SAID SUSPENSION WITH AGITATION IN A CLOSED SYSTEM AT A TEMPERATURE OF BETWEEN 125 AND 200*C. AT AUTOGENOUS PRESSURE FOR 3 TO 48 HOURS TO ALLOW REACTION BETWEEN THE AMMONIA OR AMINE AND THE DICARBOXYLIC MOIETY; AND C. SEPARATING THE COPOLYMER IN BEAD FORM FROM THE AQUEOUS MEDIUM.