The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 28, 2024

Filed:

Mar. 31, 2020
Applicant:

Hindustan Petroleum Corporation Limited, Bangalore, IN;

Inventors:

Doni Eswararao, Bangalore, IN;

Kanala Raghava Krishna, Bangalore, IN;

Madala Sairamu, Bangalore, IN;

Mangala Ramkumar, Bangalore, IN;

Bojja Ramachandrarao, Bangalore, IN;

Nettam Venkateswarlu Choudary, Bangalore, IN;

Gandham Sriganesh, Bangalore, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/22 (2006.01); C10G 75/04 (2006.01);
U.S. Cl.
CPC ...
C10G 75/04 (2013.01); C11D 1/22 (2013.01);
Abstract

The present disclosure relates to an antifoulant formulation comprising: (a) at least one ammonium salt of linear alkyl benzene sulphonic acid; (b) at least one aromatic hydrocarbon; (c) at least one diluent; (d) polyisobutylene succinic anhydride; and (e) at least one alkyl amine. It also relates to the process of preparation of the said antifoulant formulation. The instant disclosure further relates to the method of inhibiting fouling tendency in the heat exchangers of crude oil, crude blends, short residue, involving the said antifoulant formulation.


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