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Reason: None provided.

I cannot find that cemex owns this patent.

The use of blood to make concrete - Weird Universe

http://www.weirduniverse.net/blog/comments/blood_concrete

In 1980, Charles Laleman of France received a US patent (No. 4,203,674) for a technique for making concrete by mixing together cement with blood. His patent described a variety of different recipes one could use to create this blood concrete...

Patent link here:

https://patents.google.com/patent/US4203674A/en

Anticipated expiration: 1997-12-05

Status: Expired - Lifetime


Patents Assigned to Cemex, Inc.

https://patents.justia.com/assignee/cemex-inc

Patents Assigned to CEMEX Research Group AG - Justia

https://patents.justia.com/assignee/cemex-research-group-ag

None of the Cemex patents I can see involve blood in concrete. On the flip-side since the Charles Laleman patent expired, anyone is now free to sell product with blood in the concrete as specified by Laleman patent.

1 year ago
2 score
Reason: Original

I cannot find that cemex owns this patent.

The use of blood to make concrete - Weird Universe

http://www.weirduniverse.net/blog/comments/blood_concrete

In 1980, Charles Laleman of France received a US patent (No. 4,203,674) for a technique for making concrete by mixing together cement with blood. His patent described a variety of different recipes one could use to create this blood concrete...

Patent link here:

https://patents.google.com/patent/US4203674A/en

Anticipated expiration: 1997-12-05

Status: Expired - Lifetime

1 year ago
1 score