Patent ID: 11879586
Assignee: BRUGG ROHR AG HOLDING
Field: Other special machines (Mechanical engineering)
Classification: CPC F  B  C | IPC B  C  F

Claim 8:
9. The conduit pipe of claim 1, wherein the foam is selected from the group consisting of:
a. polyurethanes containing, as a cell gas, 50-100 vol % R1233zd and 0-50 vol % cyclopentane and 0-50 vol % CO2;
b. polyurethanes containing, as a cell gas, 50-100 vol % R1233zd and 0-45 vol % cyclopentane and 10-40 vol % CO2;
c. polyurethanes containing, as a cell gas, 50-100 vol % R1336mzz and 0-50 vol % cyclopentane and 0-50 vol % CO2;
d. polyurethanes containing, as a cell gas, 50-100 vol % R1336mzz and 0-45 vol % cyclopentane and 10-40 vol % CO2;
e. polyisocyanurates containing, as a cell gas, 50-100 vol % R1233zd and 0-50 vol % cyclopentane and 0-50 vol % CO2;
f. polyisocyanurates containing, as a cell gas, 50-100 vol % R1233zd and 0-45 vol % cyclopentane and 10-40 vol % CO2;
g. polyisocyanurates containing, as a cell gas, 50-100 vol % R1336mzz and 0-50 vol % cyclopentane and 0-50 vol % CO2;
h. polyisocyanurates containing, as a cell gas, 50-100 vol % R1336mzz and 0-45 vol % cyclopentane and 10-40 vol % CO2.