Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
79 words
A cement consisting of (a) clinker minerals, viz. a highly-basic calcium chlorosilicate, calcium ortho-chlorosilicate, calcium chloroaluminate, calcium chloroalumoferrite; (b) calcium oxychloride; (c) calcium chloride chemisorbed on said clinker materials, the components being present in the following proportions, percent by weight: ______________________________________
a highly basic calcium chlorosilicate
35 to 75
calcium chloro-orthosilicate
10 to 55
calcium chloroaluminate 2 to 30
calcium chloroalumoferrite 4 to 16
calcium oxychloride 0.5 to 2
calcium chloride chemisorbed on said minerals
1.2 to 2.5
______________________________________
Claim 2
Dependent Claim
79 words
A cement consisting of (a) clinker minerals, viz. a highly-basic calcium chlorosilicate, calcium ortho-chlorosilicate, calcium chloroaluminate, calcium chloroalumoferrite; (b) calcium oxychloride; (c) calcium chloride chemisorbed on said clinker materials, the components being present in the following proportions, percent by weight: ______________________________________
a highly basic calcium chlorosilicate
35 to 75
calcium chloro-orthosilicate
10 to 55
calcium chloroaluminate 2 to 30
calcium chloroalumoferrite 4 to 16
calcium oxychloride 0.5 to 2
calcium chloride chemisorbed on said minerals
1.2 to 2.5
______________________________________
Claim 3
Dependent Claim
111 words
A process for producing cement comprising calcining a raw mixture at a temperature within the range of from 1,000 to 1,200° C, said raw mixture consisting essentially of calcareous, silicaceous, aluminous, ferrous and magnesium-containing components and calcium chloride in the following proportions in percent by weight: ______________________________________
calcareous component (calculated for CaO)
32.4 to 40.7
silicaceous component (calculated for SiO.sub.2)
12.5 to 18.5
aluminous component (calculated for Al.sub.2 O.sub.3)
2.4 to 11.5
ferrous component (calculated for Fe.sub.2 O.sub.3)
1.2 to 4
magnesium-containing component
(calculated for MgO) 1.5 to 4
calcium chloride 6 to 20
losses at calcination the balance;
______________________________________ the cement clinker resulting from calcination is then subjected to grinding.
Claim 4
Dependent Claim
111 words
A process for producing cement comprising calcining a raw mixture at a temperature within the range of from 1,000 to 1,200° C, said raw mixture consisting essentially of calcareous, silicaceous, aluminous, ferrous and magnesium-containing components and calcium chloride in the following proportions in percent by weight: ______________________________________
calcareous component (calculated for CaO)
32.4 to 40.7
silicaceous component (calculated for SiO.sub.2)
12.5 to 18.5
aluminous component (calculated for Al.sub.2 O.sub.3)
2.4 to 11.5
ferrous component (calculated for Fe.sub.2 O.sub.3)
1.2 to 4
magnesium-containing component
(calculated for MgO) 1.5 to 4
calcium chloride 6 to 20
losses at calcination the balance;
______________________________________ the cement clinker resulting from calcination is then subjected to grinding.